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What was your teams worst expierence during competition?
What was your teams worst incident/experience at competition.
Ours was when during the Ultimate Ascent game someone threw a Frisbee and it hit out of all places the power switch on our robot when it was trying to make the 10 point climb, so we did not get the 10 point climb at that. But we fixed it immediately. though |
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To go with the game-pieces-shutting-down-robots theme, in 2010 at the Duel on the Delaware offseason, we forgot our electronics covers back home. A soccer ball rolled down the return, bounced on the ground twice and into our robot hitting the power switch.
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There's probably a worse one that I can't recall at the moment, but a recent one:
At our 2013 regional, a newer student was tweaking our autonomous code in the pit. We had our final practice match for the day coming up, and the new code was put on the robot, without being checked or tested. During auto, the climber ran backwards. This was a half-inch ACME lead screw, running off a CIM (Don't remember what gearbox was on it). So instead of moving the climber up a bit to release another mechanism that was tied into it, it ran downwards, and kept running until it bottomed out, and then kept running some more. This also raised the robot off the ground at the front, and so it couldn't drive. The screw warped itself pretty bad, and bent a couple 0.25" aluminum brackets by 40 or so degrees. The climber was pretty trashed. The CIM continued to run (while stalled) for the rest of the match, came back to the pit too hot to touch. The pit crew stayed late that night, and had it running by the next morning, which was quite a feat. |
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2013 Razorback Regional:
First practice match. Our regular diver coach was very ill, so I was pinch hitting for the first time ever. I'm usually just the controls/programming guy. Somebody (may have been me) plugged the gyro into analog port 8 instead of 1 (the other 6 were all filled, so honest mistake). After firing the first three shots, the robot was supposed to drive back to the center line using the now non-existent gyro. Instead, it spun about its axis at full speed for the remainder of autonomous. The pickup was pretty badly damaged by the pyramid, but it woke up a pretty bored crowd. Final elimination match. Loading discs, one disc was caught between the robot and the wall. Driver tries to shake it loose, but instead the disc is shoved into the control system, pulling the header off the analog module. This causes some wheel modules to spin briefly, and the shooter cam follower to roll all the way around and snap. Those screws are in the headers for a reason people! Somehow ours was out. I was glad it was a short drive home from our first "home" regional. Very frustrating weekend. |
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This (happens at 7:52 in the video) fortunately it was followed by one of our best experiences ever not long after as we eventually won the event from the sidelines.
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30 pt climber having too little travel by about 3/4" to climb for 30. That seriously blew.
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Last year prior to revisions we had the worst hopper for our frisbees. Not only was it difficult to get frisbees in their because of the odd angle and shape of the hopper, their was a constant loom of fear that a frisbee would go in upside down (We couldn't get it out if that happened).
At our 2nd regional, we got put on an alliance with 2 mainly defence robots, meaning we had to be the dedicated scorers. Then this happened. Believe it or not an alliance actually selected us as a defense robot because of our fast drivetrain, made it to semis. We fixed our robot quite a bit in the last few months and now it's actually pretty good. |
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In 2004, while vying for a regional win at Palmetto, a missed decimal place in a revised autonymous code caused our robot to impact the other player station at full speed (in the next year or two FIRST started putting velcro on the player station IIRC). This caused one of our transmissions, the universally disappointing 3/8 Bosh drill transmission, to fall apart. We thought we fixed it, but not quite. In the next few minutes our alliance captain smoked a motor or two on their robot's arm, making them basically unable to score. A few seconds into the 3rd match of the finals our transmission failed entirely, turning the final match into a snooze-fest that the other alliance won handily, as the chassis driver I was heart-broken, as was much of our team.
To take a step back, we were the 8th seeded alliance (after much in-picking in the top 8) and managed to knock out the 1st and 5th seeded alliances convincingly. Sometimes luck just doesn't go your way... Though this was my most frustrating experience with FRC, I wouldn't call it bad (just less good I guess?) Our team had gone from 2nd-to-last in the standings to one of the top-scoring robots during eliminations, and while I/we felt that we could have (and should have) won, it was a strong lesson in graciously accepting a loss and always trial-running antonymous code before putting the robot out on the field. |
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I have a lot of stories that would shock many of you or just have you rolling on the floor, but I'll stick with the simple one that used to happen all the time with the old control systems.
The match starts and you realize your robot isn't turned on. This was a common occurence up until around 2004 or 2005. Also for a bonus there's the the time we almost took out the scoring table at the UTC New England Regional in 2004: http://www.chiefdelphi.com/media/photos/17725 |
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About the power switches: In Waterford District (I think anyways) The Captains (i think) had their power switch at the top front of their robot. When they went to get a ball under the bridge, we started to balance and we hit their power switch on the robot and turned them off
And anyways, for us, the worst experience was our whole 2013 year (Okay, it wasn't *that* bad, but we could barely do anything)! Anyways, we learned a couple of things: 1. Gravity is your friend and works 100% of the time 2. Picking up frisbees from the ground is pretty hard and not worth it 3. Don't store frisbees horizontally 4. Don't make it 2wd and have 4 idling wheels 5. Make room for electronics 6. Auton is more important than you think 7. Design your robot in CAD And many more... |
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We had a 10-point climber. Our driver tried to go for a 20-point climb.
MAGIC SMOKE ANYBODY!!!!:yikes: |
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While I won't elaborate on here, our worst experience at a competition was another team acting in a decidedly non-GP fashion (particularly off the field) towards our team for most of the competition.
If you want to talk robot-related issues... 3 match of the finals in Logo Motion, when our lifter broke during autonomous mode. It had to be the most heart-crushing instance I've experienced on my team, yet the drivers took it in stride and led us (through amazing defensive play) to a very, very close victory! |
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WPI Regional 2011
The regional itself was fantastic and really well run however during our first practice match our robot started to move then randomly jerked around and started spinning around in circles. When we E-stopped it the robot was still moving all around the field, and even after the match ended it was still going! The FTA (or maybe it was a ref I forget) had to run out onto the field and chase the robot and manually shut it off, it was something they said they've never seen before |
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Random robot freezing in the semifinals at Buckeye last year. Happened two games in a row, had never happened before (through countless practice and two regionals) and has never happened since. :/
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This year at IRI, we re-calibrated our autonomous and ended up changing the power value for the shooter motors. When we built the code and deployed it to the robot, all the code got corrupted. Our programmer had to try to rewrite our entire robot code in the half hour or so we had before our first match. In the end he didn't have time, and we ended up playing the match with no control over our pneumatics, and both joysticks inverted. Probably the most stressed I have ever been at a competition. Luckily we had enough of a break for him to fix it before our next match. Still had a lot of problems that weekend, but it just felt like a terrible omen to have that happen right before our first match at our first time at IRI.
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2008 IRI.
We got tangled with our teammates in autonomous mode, rammed full-speed into the dividing wall. The impact tore out our battery ground, and it came to a rest on our IFI controller. The DSK song "Robot On Fire" may or may not have been inspired by that. http://www.thebluealliance.com/match/2008iri_qm17 |
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2013 Queen City Regional
During one of our last qualification matches an opposing robot decided to lower their climbing mechanism past their frame perimeter and ram us while we were shooting from the pyramid. The impact forced our shooter down and bent our intake and shooter. We went from about 85-90% accuracy to 65% and barely managed to win our next few matches to secure the 1st seed position. Sadly we couldn't fix it and lost in the quarterfinals. That was the first time ever we were confident we had a shot to win a regional, just bad luck. We were all very disappointed. And our shooter continued to plague us with problems for our next two regionals after that. I did talk the drivers from the team that hit us and they ensured me in no way did they intend to damage us so no hard feelings there. |
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Huh, strangely glad to know that we weren't the only one to be turned off by a frisbee. We had it happen one time when our human player was trying to load our robot.
Here are what I remember as the worst moments, for various reasons. 2012 Rebound Rumble - Trying to balance on the bridge, accelerate too fast, begin falling backwards, and bend a bunch of stuff. None was very critical, but a damaged robot is never fun. Video used to exist at TBA, but it's not there right now. 2011 Logomotion - At TC I think, we managed to get our lift stuck on the scoring rack, and that was quite distressing for how long it took to get it unstuck. 2010 Breakaway - The whole robot. It's like it was anit-designed. 2009 Luncay - We were in the quarterfinals, and we were up one game to zero at TC (http://www.thebluealliance.com/team/857/2009). The second match, we had a bar protecting our intake roller that was ziptied on because our previous one had broken off. However, the zipties failed, we exceeded the allowable dimensions, incurred a 10 penalty, lost the match by 4 points, and went on to lose the third game by 3 points (sooo close to semis....). |
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Way back in 2002 we were against the dreaded Beatty CrawlerBot at the Midwest Regional. In the finals we had finally succeeded in steering the Beatty machine to the side of the field where it couldn't score. We (111, 45 and 79) had clearly beat them until our human player in the excitement started scoring points for them. After being #1 seed and finishing qualifying at #1, we lost the finals.
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This year at the Grand Blanc district our robot took a hard hit from the opposing team defending us. The ribbon cable came out of the sidecar rendering us a giant paperweight for the rest of the match. Once back in the pits we quickly sourced some of the appropriate bolts and made sure that could not happen again.
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Not a terrible moment, but funny and nerve-wracking.
In autonomous in our first practice match, the robot shot 3 discs into the wall, then drove backward 2 feet, then proceeded to spin in circles in place for the rest of autonomous. Nothing broke, but it scared all of us. Aren't untested auto modes so much fun :yikes: |
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This isn't the worst story in our teams history but it's the one I was on the team for. At Battlecry this year I was driving and we were in the middle of our best match yet that weekend, when all of a sudden we stopped moving. The FTA ran over, took out his phone, and took a picture of our laptop and left without saying a word. Our laptop had blue-screened in the middle of the match.
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Having our teams mentor scream at us for an hour after another teams mentor helped us improve our shooter at a regional.
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The 2013 Granite State Regional + some time.
Our team bit of way more then we could pull off aiming much higher than our previous years. We had grown a lot both in resources, students, and mentors and our design reflected it. Growing pains as we call them! :rolleyes: When we bagged our robot we had a drivebase, barely an electronics board, a shooter, a disc storage system that had been made that week, and a 30 point climber that had worked good during testing but needed more time to improve. We kept the shooter and disc manipulation system off as our withholding allowance to finish them. The week leading up to GSR was exhausting as we rushed to finish our practice robot and work on our disc manipulation system and shooter. I remember driving to Manchester on Wednesday to drop the bagged robot and tools off which our programming team was just starting autonomous/shooting control. Thursday of the regional we spent most of the day ripping the bagged robot apart to rebuild after we made discoveries with our practice robot. What took the longest was our shooter was on slides to raise up and down to overcome defensive blocking. Our climber was mounted to the side and would swing out over the platform so we were climbing above our center of gravity. By the end of the day we had an inspected robot but no time to debug the systems as a whole. Additionally we found our climber and shooter interfered with each other by 1/2in when the climber swung out. With the shooter system not working up to par we took if off first thing Friday morning so we could at least climb. Due to all of the rebuilding there were technical glitches popping up everywhere but our pit crew kept working through every hurdle even though the entire team was running off of exhaustion from the past 3 weeks. We finished the weekend as quarterfinalists with 2791 and 78. While it is an experience everyone on our team would prefer to forget it was a very powerful weekend and was a time every team needs to go through. Our team was young but we were learning how to take our team from the rookies that kept it simple to the veterans who aimed much higher. In the following weeks our team grew much stronger as we looked forward to our week 6 event in Maine. We had kept every mechanism in the bag at GSR not knowing what would stay and what go but all we knew was we had to redesign. The programmers worked diligently with our practice arm to speed up climbing from 50 seconds to 20 seconds. The mechanical team worked on some bucket hopper prototypes and repackaged our mechanisms by placing the climber on top the shooter with a simple pivot system replacing a complex lead screw. Luckily for us our entire upgrades only required 28lbs of prefabricated materials as most of our new robot was already in the bag. At the Pine Tree Regional we took our robot down the drivebase and worked our way up making a new electronics board, modified our climber, and mounted the new shooter assembly. All this and inspection was completed by 1pm. I never thought more then 8 people could work effectively in a 10x10 pit but boy was I wrong. Our new robot did have some technical problems but our pit crew powered through and after 13 long elimination matches we were the 2nd seed (12-1) with a robot that could shoot 3 in autonomous, 4 cycles, and then climb for 30. We were selected by the number 1 seed 2648 and 2386 rounded out our alliance. The rest of our 2013 season is history and while it was the longest build/competition season of my life our team has never been prouder of what we accomplished! Below are two photos one of our original robot at the Granite State Regional on Thursday and one of our robot later in the season. GSR: http://i.imgur.com/mny2Q2n.jpg?1 Now: http://i.imgur.com/IGE6jY8.jpg?1 |
Re: What was your teams worst expierence during competition?
Oh let's see...
2001 (my first year): Failed to make the elims at any of our events. We finished 11th in our division at Epcot but weren't selected. Plus, you know, Diabolical Dynamics FML. :( :( :( 2002 CMP: We faced off against 60 in the semifinals - this was one of the legendary bots back in the day. Picking up two huge goals with their beastly arms and swinging them around like a mace. Knowing what 60 was capable of, we decided to have some fun and slam into the center goal as quickly as possible at match start to see if we could disrupt their goal latching. Well...the collision was pretty awesome. 60's arm ended up breaking (they had a replacement and fixed it before the next match), but they still locked onto the goal and were able to win the match with their beastly drivetrain. Our extruded aluminum t-slot frame (item material) was not happy after that match. The next year, and every year since, we've used welded aluminum tubing in our base frames and haven't looked back. 2003 Buckeye: Short wheelbase plus tall leading edge of bot plus king of the hill ramp with opponents waiting at the top = on your backside frequently. A pneumatic wheelie bar fixed that issue, and we actually had a solid season after that. That bot was pretty beastly - our first application of a shift on the fly dog-gear transmission, patterned after 45's shared design. Too bad that robot was stolen recently. Losers. Losing with 1114 and 1006 in the 2004 Canadian Regional finals, after winning the equivalent of a regional at the first ever 2-field super regional. This was also simultaneously my best event experience ever. Losing with 1114 and 70 in the 2006 Curie elims. The entire 2010 season, including our North Carolina Regional win, which was only accomplished through smoke, mirrors, and liberal application of zip ties. Oh yeah, we managed to coerce 1519 into kicking a soccer ball into Dean Kamen's face while playing defense against them. It's on YouTube. That was interesting. Not picking 16 at the 2012 CMP kinda sucked. I feel like I'm missing something.....oh yeah, that. Well we don't need to bring that up again. But it would be the #1 worst experience overall, for me personally and many others. The sad thing is we were that close to having it be one of the greatest experiences in team history. |
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2011. Tried swerve. Didn't move for 1.5 regionals.
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2009 Lunacy. Standing in the pit area at Waterloo, watching the drive team not quite running back from a practice match with the bot on its cart, watching the bot fall off the wagon with many hands trying to grab it, watching a fancy cast aluminum lazy susan at the base of our tower pop apart and then watching all those ball bearings scatter. We found most of them, put the bearing back together and went on to the finals at Waterloo, semi finals at GTR and then Championships.
2013 - Falling off the pyramid on several occasions including after dumping four at the top a couple of times. 20 points for dump, zero points for climb. |
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This wasn't really the worst thing that happened to our team, but it did come at a poor time.
In the Cowtown Throwdown's Semifinals this year(first game of two) we were supposed to have the single feeding station for our robot. Our human player didn't get the message in time though and ended up at the double station. When I lined up the robot at the single station, he ran over to go feed the disks in there (colored disks though, so the other person couldn't have fed). While he did that I had been notified of the mixup, and started to drive over to the double station. We went back and forth with me being told to go to one side or the other and the human player yelling, "Make up your minds!" until finally one of the belts had a disk slide on top of it during a turn. Moving forward brought the disk underneath the wheel and dislodged the belt. It's the most frustrating feeling when you can't get your robot to move as a driver, but the circumstances meant our drive team couldn't help but laugh a little bit. |
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When we fell of the tower from the very top, in a practice match in st. louis.
We bent a 1/2" lead screw for our deployment mechanism at a 90 degree angle and had snapped three welds on our upper frame. After we got the robot to the pit, we removed the shooter, made a new hopper/loader out of lexan, removed the frame from the drivebase (the robot went from 60" tall to about 4" tall), swapped a shattered wheel, modified our "spare" frame that we brought with us, just in case, and rewired the shooter. Then, we put the new frame on, reattached the shooter, added the makeshift hopper, and when we went to turn the robot on, we discovered that our 24v power supply on the pdb had broken during the fall when our battery (which was also ruined) smashed into the power distribution board. So, we unhooked everything, added a new power board, and wired up most of the motors. We got to the field, the radio power fell out during the beginning of the match, we didn't move the whole time, and when we got back, we had to swap power boards again. All because of a fall on a practice match. Then, the next day, we ended up seeded 13th in Archimedes, but we weren't picked for eliminations. That was pretty disappointing. Fortunately, we never had to use our frame straightener! |
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O good how horrible. Nice slth by the way |
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2011 Being red carded in a quarter-finals match by a person not even part of the ref crew because he was talked into it by a persuasive student from the other alliance. BTW video showed the ref crew was correct and the certain person was completely wrong. Still waiting for the apology.
2012 Cincinnati rule, enough said. |
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2012 San Diego was pretty awful for us. Immediately after hybrid ended during our first qual match, our driver ran full speed backward into the coop bridge. Our electronics board happened to be really exposed(poor design). The bridge ended up destroying quite a few victors, and we had to completely redesign the electronics board, missing the rest of our qual matches except for one. On the bright side we had no problems with the new electronics board and were finalists at the LA regional(the best our team had ever done at that time).
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Worst FIRST experience (and from it, perhaps the best) was when my dad's truck and Trailer were stolen last year. Despite all that we lost, we got the truck back and I felt like the tiniest little village full of people from around the world that day. So, perhaps not the very worst.
Worst on field has got to be back in Lunacy (2009) at Lansing. Got picked into the finals. We had been having problems literally all competition with our drive train, tightening and loosening the chain between every and all matches. We just could NOT figure out why. During the finals (2nd match, if I remember correctly) our drive train finally failed. Stepping back for the first time all weekend, we quickly realised what happened. We had built the drive base as one separate piece, and then added the shooter on top of it. There wasnt a single bar that ran the whole length top to bottom. Because of this, the drive train was no longer square, and the 'top' half had shifted in the corners by nearly 2 inches front and back, both sides. In that same year, we found out to build the robot smaller than max dimensions. Oh the nightmare as we took the deadblow and our mentor, setting the robot on its edge and having him stand on it while we beat it with the hammers.... A funny sight, but what a nightmare. Never. Again. |
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Robot-related:
The whole 2013 season, where, for the first 3/4 of the season, literally every single match something failed to work on our robot. We finally got all systems to work congruently on the second day of our second competition, good enough for 4 fail-free matches. That was the year of the struggle-bus. Most painful/scariest moment: Testing our 2011 autonomous mode at our 2nd competition, the programmers failed to reduce the motor speed of our drive train from 100% (like I told them to do beforehand), and the robot came lurching toward one of our student members standing on the side, claw extended. Had to swat the claw away to prevent it from smacking him in the face, and my hand got pretty bloodied from the impact. |
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I have 2 that come to mind when I think of bad experiences.
First of which was our rookie year and we were at the Denver Regional. We were doing very well for a rookie team and achieved highest rookie seed and were ranked 3rd when it came to alliance selections. Friday night was the team social at Fat City and the driver, safety captain and 2 others were playing mini golf. Our safety captain was being less than safe and swung the club like it was an actual golf club. In the process he hit our only driver right under the eye causing him to need stitches and pain medication. I was a freshman at the time and distinctly remember seeing him and our coach walk towards the exit, blood seeping from the paper towel under his eye. Needless to day the next day was interesting and we did not do as well as we possibly could have. Second was when we traveled to Atlanta for Championships in 2008. We the finale there was a misunderstanding between our coach and a parent. Coach thought the student was going with his parents to dinner, parents thought the student was staying with us. The student ended up wandering from the Finale until he found our hotel. He had no one's phone number and didn't even know the name of our hotel. We learned about his little adventure the next day. I'm assured we have probably had some bad mechanical experiences as well but I do not know any of them as I have always focused more on the business side of things. |
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So, Israel Regional 2011:
We were connecting our arm in the first day. The arm weight was about 30 pounds. The arm had an axle which was already in place and a spring piston that carried the arm weight. The spring piston was connected temporally with plier patent and after couple of minutes the arm fell on my head.... It was VERY PAINFUL |
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2011 was an interesting year for us, possibly our best season and probably the unluckiest. At each competition we went to we ran into an issue in the semifinals (we called our team the best semifinalist team in the world that year).
In Palmetto, we accidentally bumped another robot near its minibot pole, drawing a red card and disqualifying our alliance. In Virginia, our minibot hit the top of the pole but didnt activate the sensor, which may have won us the match (there was some debate as to whether our minibot got to the top first or not) Newton Semifinals- After helping to contribute to one of the highest combined scores of Logomotion and beating out the alliance of 148, 234, and 2481 in the quarters, our claw broke in the semifinals. We still have the claw in our trophy case. |
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2011, Logomotion
It was the first year of participating in FRC for my sons and myself. Previously, they had done very well, over several years, in the local FLL tournaments. The team we were invited to join had less than 12 students on the roster and was dominated by two students with very strong personalities and indulgent (team) parents. The build took place at one of their homes. The two dominant students pretty much pushed all the other students aside. They did things like taking apart a half-built minibot after the builder went home at the end of the evening because they "had a different idea" and needed the parts. After the end of the 6 week build period, my sons and I were asked to build another minibot since the original minibot builder gave up fighting them for parts. We did most of the work outside of the build site to avoid these problems. When we got to the Lone Star regional, we demonstrated that our minibot could do the climb in about 2.5 seconds (www.youtube.com/watch?v=hXv3O_5oH20). The original minibot took something like 5-8 seconds so we were asked to install ours on the robot. We then found that everything we were told about the space we had to install the minibot launching mechanism was completely wrong. We spent all of Thursday and most of Friday totally redesigning our launching mechanism to make it fit on the robot. The drivers were able to lauch it a few times in the practice area and everyone was happy (www.youtube.com/watch?v=10MxQCTuAQ0). On the field, the drivers did this www.youtube.com/watch?v=Piq4VSKoy54. TWICE! I am sure the drivers on the opposing alliance had a good laugh. My sons broke down and cried after they left the claw down the second time on Saturday morning. In the end, the team was unable to score any points with the minibot even though only 118 and a few other teams had a minibot that could go faster. At the end of the school year, the sponsoring teacher retired and the team collapsed. In the spring, we were invited to join a different team. This team did not have a minibot so we installed it on their robot for the inaugural Texas Robot Roundup. There were a few misfires of the new launching mechanism. Finally, it was able to make it to the top first one time. My sons felt vindicated. :) |
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My whole time in FRC has been a parade of "worst experiences during competition." Poorly timed mechanical failures, strategic mistakes, bad scouting, untested code, communications errors, hard to diagnose problems, etc. It's hard to pick just one.
This one probably is the easiest to translate into this thread. To provide a little setting, this was the very last qualification match of the 2008 Philadelphia regional. We were currently on the bubble to be an alliance captain, so we were getting prepared for the eliminations. Our software lead had loaded some new autonomous code onto the robot to correct one issue, but apparently decided to make another change as well. You can see the results for yourself. http://www.youtube.com/watch?v=EESb452FMHw To add insult to injury, in a penalty plagued 2008 game, we had yet to take a single penalty. This failed automode was our first. It turns out we ended up being the #8 alliance captain, which not only meant we had to face the vaunted combination of 103 and 272 in the quarter-finals, but we'd be playing in the very first elimination match of the afternoon. One very very hectic lunch break later (in which Chuck ate all my pizza), our "spare" claw was mounted and we were essentially ready to compete. We just ran laps and played defense in the first match, since we weren't confident in our claw repairs yet. In the second, we managed to actually hurdle once again. Not that it really mattered, as we were plastered by the top seeded alliance. Who knows if we would have been on a higher alliance (and avoided the powerhouse #1 alliance) if our claw wasn't split in half. |
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I wasn't there for this one, but in 2002 I think (before 1086 was known as Blue Cheese) our robot caught on fire twice during the NASA/VCU Regional
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Re: What was your teams worst expierence during competition?
What was probably our worst experience was during our rookie year, very first FRC competition we'd ever been to.
We were all psyched and ready to go, eager to take on LogoMotion and all it had to offer. We were excited by the harsher (and larger) competition in comparison to OCCRA. Everything looked great. And then we got our robot inspected: It was 32 pounds overweight! :ahh: We had to rip that thing apart in under an hour to get re-inspected without the armature or superstructure. Our robot was nothing more than a chassis with a minibot that kept falling out and nearly getting crushed by other robots on the field for the entire weekend. On the bright side, though, we shaved off the extra weight during that competition, and had a fully-functioning machine by the next weekend's event. This year, our robot got completely flipped upside-down at IRI, which damaged the shooter's motor pretty badly. Our robot was fairly low to the ground and agile, but because of the placement of the climber, it had a tendency to (as we like to jokingly call it) "do the Harlem Shake" whenever it came to an abrupt stop. So during our final match, the robot was fully loaded and flying across the field at full speed, but another robot intercepted it, so our driver had to stop suddenly. Well... the intercepting robot (from the opposing alliance) bashed into our robot's front bumper as it was teetering back and forth, sending the thing belly-up for the first time. |
Re: What was your teams worst expierence during competition?
When our victor 888 burnt closed in the first finals match at KC this past year is tied with when we lost our pneumatics system in the send and third finals match at North Star this past year too :(
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Re: What was your teams worst expierence during competition?
Yeah. Glad to say I'm no longer working with that program.
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Re: What was your teams worst expierence during competition?
A few I've had:
2011 San Diego finals 1 when our arm broke out of fatigue. 2011 IRI dying in 2 qual matches due to bad batteries. One of those had my autonomous selector logic fail and throw off a partner's 2-tube auton 2012 Madtown Throwdown. our last qual match had our shooter's banebots P60s lock up and stall out for the match. Both P60s were dead. Used the remains of both to scrape together one functional one for elims. 2013 Sacramento Finals 2 having the cRIO crash on us(but never before and never again. Cause was never truly found.), causing a loss by less points than our average contribution per match. |
Re: What was your teams worst expierence during competition?
Losing a DSC at San Diego this year and then receiving an already-broken one from spare parts.
EDIT: Also, the 2012 season. Also, having the GEM gearbox powering our arm in 2011 seize during divisional elims at CMP. (Newton 2011 is still one of my favorite events though) |
Re: What was your teams worst expierence during competition?
I'd say going through 3 digital sidecars in 2 days at BMR 2011. We couldn't find the problem so we just kept putting new sidecars on. The 4th one is the one that's still in the bot today. When opened up, 2 of the boards look singed and the I forget what the 3rd looked like.
Maybe the finals of championships in '99 but that was before my time. |
Re: What was your teams worst expierence during competition?
Out of all the bad things that could've happened, the worst thing was that our robot was deliberately tipped over in one of the early matches at the 2013 Razorback regional, taking us from 2nd seed to 6th seed. Luckily, our robot was welded together really well so nothing broke XD
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Re: What was your teams worst expierence during competition?
Tried to show off during a competition by doing donuts, completely shatttered a gear box...replaced it in 30 minutes though (this was with my old team)
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Re: What was your teams worst expierence during competition?
2013: First year, only thing we could do was climb the rings and play defense.
The climber broke before our first match. (Still got highest rookie seed though!) 2014: first district event, just after auto we lost comms to the robot, and for some reason it kept doing the command it was sent. a couple times it just spun around, but one time it was going full speed. To our alliances driver station. Lets just say we burned that carpet real good. Our second event, we did pretty well, besides the fact we shredded our gears until we realized we were going to be the #8 alliance captain. we had absolutely no scouting done, as we didnt really expect to become one. Still had a blast though. 2015: first event, placed second seed, had great scouting, got a great alliance, until our partner had a bad battery. also, 10 agonizing minutes of seeing if this counted. |
Re: What was your teams worst expierence during competition?
Not being able to move 6/10 matches at championships. We had a really good chance too...
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Re: What was your teams worst expierence during competition?
http://www.thebluealliance.com/match/2011roc_qm41
If we ignore the fact that in 2011 year we got second in 2 regionals where we lost to the winning alliance by less than 5 pts, and in both cases a mini-bot decided it didn't want to work, I would have to say this match. During autonomous the uber-tube opened our pneumatic valve, so we had no pressure, and we were eventually able to put the tube we had onto the rack, but that was basically it the whole match. If it hadn't been for that mistake, we probably would have ranked second instead of third. Oh well. |
Re: What was your teams worst expierence during competition?
3 different things have happened that all have kinda sucked
1) in 2012, our pneumatics failed after Quarterfinal 1 at World champs, making it so we couldn't deploy our multitool, making our turrent not be able to rotate, making shooting and collecting hard... our alliance had already almost beaten our opponents, and probably could have beaten them if we had been working properly. the opposing alliance was 1114, 2056, and 4334, the winners of our field that year. 2) For both years that the District model has existed in the PNW, we have not been picked for elims, despite being ranked 17th this year 3) to expand on 2014, at some point during the Auburn District event, our electronics started to fail. it wasn't too bad, but we sometimes stopped working for 30 seconds or so during a match (we still managed to make it to Finals as the 6th seed- 3663's- first pick). at DCMP, it was terrible, with us not working for more than half a minute in every one of our matches, and our auto messing up. we finally identified and fixed the problem, but it was too late for me to be able to convince teams to pick us, and we narrowly avoided qualification to worlds. Our robot was probably in the top 5 best PNW robots for that year, disregarding the electronics issues... our method of defense (high speed ramming to dislodge balls) even cause a rule tightening on high speed collisions :D The thing about all of these bad experiences, is that only one of them made me truly feel bad (not getting picked this year; many other teams too were surprised)- and even then we still barely made it to worlds, where we then made it all the way to the finals (again with 3663). the other two were learning experiences: Run pneumatics correctly, and make sure all the electronic bits work properly. Our worst experience, honestly, was probably 2013 (like many other teams here), because we focused almost all our resources into a climber that never worked on field |
Re: What was your teams worst expierence during competition?
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Our worst year yet was this year--we had a robot that performed at home, and was an absolute catastrophe on the field. We somehow got picked to go into the tournament and had our two best games in the quarterfinals...as soon as it was all over, our bot was working as we designed it to work. :/ |
Re: What was your teams worst expierence during competition?
Not so much a bad thing but a bummer and very funny in retrospect was during one of our qualification matches last year. We were playing some pretty hard defense against another very good team and we hit each other so hard that both of our bot powered off. The funny thing is that one of our alliance partners also passed us a ball over the truss and we caught, after we were dead. It ended up fine as we got the points for the catch and the refs got a new ball in pretty fast.
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Re: What was your teams worst expierence during competition?
Entire 2013 season. The whole thing. Boom.
In terms of specific events, we'd have to go with Groton District Event 2014. We were low on resources, especially money, and had moved into our new build space two weeks before Kickoff. Somehow, we put out a robot that we were pretty proud of and excited about. And he (Atlas was his name) failed to work on even the most rudimentary level... we were lucky if we got to drive around arbitrarily and play defense. On the bright side, we were able to rebound and do well at Hartford later that season and during our offseasons! |
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Re: What was your teams worst expierence during competition?
2013 season. Second competition (WPI) of the season for us, and it was a week 2 regional. We were one of only a few teams to have experience beforehand, so we had a good idea of what was going on with the best strategies.
Through qualifiers, we were dominating, and had absolutely zero issues. We would be sitting in our pit doing absolutely nothing between quals except changing batteries. Seriously, that's it. Teams were jealous (I would be too). In our 12th of 13 qualifying matches, 2168 found a way to jam our shooter. Props to them, they were the first to play strong defense against us. We jammed our shooter and had to hang in order to get the win. Context: Our robot was never designed to hang. We looked at it a few days before bag day and thought, "Hey, lets attach some hooks and see how it hangs." Well, we were able to hang. We didn't entirely think through all the torque being placed on the arm though.. While we went to hang, our gears in the rotating arm broke and our bot went outside the size limits as a result - there wasn't anything preventing the arm from just flopping around. We lost that match, and won our 13th, seeding 1st with a record of 12-1. No big deal - we were pretty happy. We fixed it through some pretty... ghetto ways of fixing it (ie finding a replacement gear at the last second that most of us don't know where it came from). We went through to the finals in elims with a local team (20) and faced another local team (3044) and... 2168. Yeah. The only team to beat us is now facing us in the finals. And now they know how to beat us, too. Game 1 - we play around their defense, and win, 100-87. Not our cleanest win, but 2168 played some mean defense, and we had a 100% defense third bot, so only us + 20 were scoring, and we got shut down a lot. Game 2 - We get jammed by 2168. Exceptional driving and defense by them really. We lost 64-89. Things are looking rough - we're really close to breaking and we don't have another replacement gear. Game 3 - We can't take the risk of getting jammed super early in the game. We decide to sit in the player station and shoot frisbees across the field to 20 from the station so we can't be guarded. 20 had an incredible floor pickup, so they did fine in picking them up (we weren't a full court shooter). We couldn't keep up with 3044 + 3280's scoring. Down 58-68 with 5 seconds left. We wing it across the field, debating whether or not to try to hang (if we hang, we tie it, if we break, we lose due to penalty). We don't go for it, because it looks like 20 has the hang down with 1-2 seconds left. 20 doesn't get the entire hang (off balanced, 1 wheel was touching the ground), and we lost 58-68. We haven't gone to champs since rookie year in 2009, and that was our closest yet. It wasn't our 'worst' experience, but it was pretty heartbreaking. :( |
Re: What was your teams worst expierence during competition?
how Aerial assist robot could never shoot (release the dog gear) that held down out shooter, turns out after everyone on our team gave up to determine what caused it, me and my brother looked into it and saw that the piston that retracted the dog gear back, was mounted at a angle so it wasn't pulling straight back, instead it bound, also the swerve drive we used never worked and kept frying the turning motors (window motors) My brother and i also figured that one out as well lol, turns out that the POT we used to get the position on the wheels where cheap one, as they said on the package, "Accurate within 20% of overall value" meaning that when at the 0 mark you could be plus or minus 20% of 0, this caused the motors to always try to readjust them selfs and eventually burn out, also our robot wouldnt connect properly to the game fields, ther was at least 5 sec to 20 sec delay from controller to robot, we had TI look at our labview cade and they said everything was correct and they didn't know what was going on and that they would send this straight up to HQ, All in all it was a TERRIBLE season though one of the most insightful that I've been apart of.
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Re: What was your teams worst expierence during competition?
This year at Champs.
We decided we were going to make canburglars on Monday before championship. So we ordered some parts from McMaster, 1" x 1" x 72" long polycarb tube. We got it shipped to our hotel on Wendesday. When we stopped by to pick up the order, we noticed that we didn't get what we ordered, instead we got it in 48" length... To sum it up, our canburglar would have been finished Thursday during lunch. But no, we didn't get them finished until our LAST match on Friday. They were pretty $@#$@#$@#$@# fast too. Thanks McMaster.... |
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This season, we helped 7 teams qualify to go to the World Championships for the 1st time ever. One of which waited 11 years to finally get a win. It was bitter sweet considering it was that same team that picked us back in 2011, only for us to fall short losing in the finals that year. They picked us again at the IE regional week one. Those moments absolutely meant more to me than our team winning the regionals. |
Re: What was your teams worst expierence during competition?
I don't know about worst of all time (that probably goes to our 2013 season, but I wasn't there for that), but this year, at MSC, we burnt out our lift CIM. This was while we were vying for a spot in the top 3. We ended up dropping to 6th, which was actually perfect for us, but still, at the time, it seemed not great.
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Re: What was your teams worst expierence during competition?
T.R.S.
Our Ultimate Ascent robot (our second year) put nearly every frisbee it launched into the high goal. After about three rounds, we ranked in the top eight at Bayou, but dropped to #20, and didn't get picked because of TRS: Twitchy Robot Syndrome. The control system was not designed into the layout, and we had a combined controls/programming department that was definitely more focused on programming. The result was a bunch of loose, crossed, and unlabeled connections. We also forgot to close the pneumatic exhaust vent a couple of times. Finally, in our last qualifying match, the piston that lifted frisbees into the roller wheels jammed hard. The prototype piece had never been properly rebuilt. It was over a year before we revived that robot as a demo piece, and we had to completely rebuild the trigger/lifter. And oh, yes, we went mecanum that year and couldn't play a very good defense when we couldn't shoot due to a lack of air or a spinning wheel, or the feeder not feeding. The climber had to be completely redesigned at least three times to fit around the shooter, and it almost worked the one time we tried; about one more second of turn on that threaded rod would have done it. The next year we split controls and programming, and managed to recruit an actual pneumatics guy (who is also a former IBEW member) onto our mentor squad. He was able to teach the kids stuff about wiring and plumbing that the rest of us mentors might possibly have eventually figured out. No more TRS. |
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Re: What was your teams worst expierence during competition?
Israel "Falafel" (a smaller FRC like preseason event, 1-on-1) 2012: During the finals we bumped into the opposing robot which caused our power cable from the breaker to the PDB to disconnect, and our robot was dead for the rest of the match...
Israel Offseason 2014: Finals again, one of the opposing robot bumped into which caused the cable from the cRIO to the sidecar to disconnect and after a few seconds we lost communication... (you can see it here: https://www.youtube.com/watch?v=693J_CghzWg) Israel Regional 2015: After about 9 out of our 10 matches with communication problems (Although inconsistent), the FTA looked at our electrical system and said that the 10 amp fuse was not inserted correctly, all the way through. After that we just laughed and pushed it harder, problem solved! We made it to the quarterfinals and had a great first match. But in the second match our chain, which connected two sprockets of the container arm, just flew out of the robot, due to the sprockets not being aligned to each other, (we had an extra spacer) and paralyzed it for the rest of the game... Both the SBPLI and Chesapeake Regionals this year were runnig smoothly without any special problem (except for the limit switch stucking in the SBPLI finals which allowed the container arm to move down but not up again...) 2015 Championship: We run into a weird problem with a delay in our elevator (not such a big deal but still annoying). We tried to rewrite all of our code into a new lighter version, but still no success. After some experts looked at our code and electrical system they advised us to check our fuses. As I heard we lent fuses from 254 and the delay was gone! (thank you Cheesy Poofs, your fuses are megical). All in all, I had a great time and with each break and fix I learned something new (especially about fuses)! :) |
Re: What was your teams worst expierence during competition?
In 2014 our team decided to make a pvc cage that slid on drawer sliders it went backwards to allow our catapult to go down and then catch the ball and forwards once the ball was catapulted (turns out drawer sliders aren't meant to be torqued) we had cables attached to the base of the robot and the cage which in the end didn't help. In about 4 of our matches our catch fell off and bent the drawer sliders....in one match we drug the cage around slowly accumulating more and more penalty points. you can see one of the matches here: https://youtu.be/9KtJB_j8s_Q?list=PL...kGEuzrpMogT S (skip to 2:04 where come into view and wait a few seconds)
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Re: What was your teams worst expierence during competition?
With 1592:
2008 Champs my senior year: Friday afternoon, my dad accidentally knocked over our driver station (why it was standing on end at the corner of the pit idk...) and it broke one of the driver joysticks. All we had for spares were the awful white things that used to come in the kit. We epoxied it back together over night. Robot did excellent all through quals. We were the undefeated #1 seed in Curie. Picked an excellent alliance (if I recall correctly we had 3 of the top 7 OPR teams in the division). Then our robot Xena, slowly and painfully died. First the shifters wouldn't fully engage so we had to manually lock in into high gear. Then we lost a key in our arm so it wouldn't raise, mentor cut off an end of an allen key to fix it on the field. Because the white joystick was so awful we switched to the epoxied one, lasted one match then the next it snaped and had to drive with a 1/2" stub for the remainder. Then the drivetrain finally died in the last semi match and we couldn't move. Had we'd been 50% we would have made finals. That was rough... In 2006 quarters of Galileo our main breaker developed a micro crack (mentor took it to work and found it afterward). After auto we would lose all power until someone hit the bot. Literally that was all that we needed was to be nudged and it would come back to life. After the 1st match we planned on a partner (MARS i believe) to hit us if it happened again except they had comms issues. Basically had 5 minutes of front row seats to watch Rush and (our future friends) Winnovation score at will. Last but not least would have to be 2007 at Waterloo. We had terrible luck in quals, finishing 4-7 mostly because our opponents were good and when we'd get good alliances our partners would break down. Thankfully Blizzard liked us and picked us. During quals we took 1503's alliance to 4 matches. During the last one we were defending 1503 who had a spoiler and instead of me telling my aux driver to drop our ringer we hold onto it while playing D. During the pushing and banging the ringer slips out of our claw and lands perfectly on our own scored rung, essentially spoiling ourselves. Had that not happened we would have played Simbotics and OP (OP's first competition ever). Not saying that we would have beat them (cause they were really good) but I sure wish we had the opportunity, would have been fun matches either way. Its struggles like this that make this year's success with 2338 all the more satisfying. |
Re: What was your teams worst expierence during competition?
Our worst experience was an off-season event playing Aerial Assist, where team 1986 flipped our robot over. Someone had written someone's name on the bottom of our robot. Interestingly, we didn't break anything, and we probably could have flipped ourselves back over, if we had enough time left in the match.
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Re: What was your teams worst expierence during competition?
Our aerial assist bot gave us our worst times that I have been a part of.
At the D.C. regional we didn't quite realize how much strain was being put on our turret (think like 233 but with it only on one side) and smashed the hub holding it upright. So one match we have no turret control with the thing dragging on the floor. The next match was 3 matches later. We had enough time to zip tie it upright, to find that in the following match, it tipped the other way and flip our robot 5 seconds into the match. Then, at the Chesapeake regional, we made it to semifinals with 4067 and 233, going against the number 1 seeds. At the beginning of our first match, during autonomous, our battery clip falls out and we are dead the whole match (we have 3d printed battery clips now that attach to the andersons there for added support). During the beginning of teleop portion of the second match, we cut the pneumatic tube going to opening our intakes of our arms. To fire the ball, we had to open the arms then activate a piston to launch the ball. Needless to say, we couldn't fire, and if we opened the arms we couldn't shift gears to escape charging robots. What made this really disappointing, was we lost by 2 points, without the ability to truss, to the alliance that won the regional. |
Re: What was your teams worst expierence during competition?
On 4901, probably Palmetto this year. The lift didn't work well at all, the parts to fix the lift got caught up in winter weather after leaving AndyMark, the can grabber flew apart spectacularly and touched the other side to net us a disable for our troubles, and while we didn't seed last we could lean across the aisle and touch it.
On any team? The infamous Bayou 2010, when I was there as part of the 2815/1398 collaboration. 2815 was going through technical issue hell there, and probably deserved to seed about where it did...but 1398 was running respectably well, and if they put up a strong score in their final match, an alliance captain slot was plausible. Bayou was a pretty thin event, and the last match was against one of the other contending teams (364) with four other robots hovering around BLT status. Being Week 1, the field was encountering issues and running behind...issues that led to the bypassing of both 1398 and 364, resulting in a 0-0 tie and 1398 losing their crack at the top 8 due to the infuriating ranking system that year that was even more infuriating in Week 1. To this day, unless it's Palmetto I swear off Week 1. |
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Was a fun alliance though, with your robot working we actually had a chance. We always seem to end up in a fun underdog match with you guys (like one of my favorite matches in 2014 versus 341; i've gotta find my video of that one!) |
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If I may ask, how the heck did we end up on a pick list at all? We were truly quite terrible. I had told my team captain to, instead of "Grapefully Accept," just say, "Are you sure?" ...because we were all certain we were 100% done at the end of quals! Quote:
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I think the alliance captain played well to their strengths, though; as a can specialist, they wanted a human stacking team that could handle a few on field cans and another team who could make a bunch of uncapped stacks for them. If everyone was at 100%, I think we could have made something happen. Sorry about that. :o |
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Re: What was your teams worst expierence during competition?
I'm not entirely sure about previous years, but I think that this year, it was definitely Finals 2 & 3 at the Virginia Regional. In Finals 2, our battery got unplugged, or was never plugged in, so we were dead the entire match. (We only lost by 11 points with 1 robot down though.) In Finals 3, our capper, Talon 540, kept losing connection, so they were unable to cap any of ours or Team Rembrandt's 4481's stacks. That cost us the regional win, but as it turned out, our entire alliance still got to go to Worlds due to 4481's EI win and Wild Cards. (Thank you Sparky 384)
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This year, between finals 2 and 3 at montreal, we had to repair a swerve module, because an angled gear went loose.
https://www.youtube.com/watch?v=QV8jiSTgL9c In this video, you can see the coach and I breaking trough the aluminum frame with our bare hands (he got cut pretty bad), then with a hammer (RIP laser cut triangles). When we had access to the gear, we drilled through it and the shaft, breaking the bit so it would replace the setscrew. Most intense 5 minutes of my life... :eek: |
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195 had a... dare I say... embarassing first event this year. We had never done a Week 1 event before, always iterating on the practice bot in the week or two after stop build. We got to Waterbury and dropped more stacks than we put up, and tipped the robot 4? times (so long ago, and almost erased from memory).
Our worst experience at competition in years led us to do a complete redesign of the superstructure. 2 weeks later, we restarted what became our most successful season ever. Lesson Learned: Mid-Season rebuilds are as crazy as they're lived up to be, but sooooooo worth it. |
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FRC 4607 CIS has had it's share of problems in the first three seasons of our existence.
2013 - Our Robot was deemed illegal for many reasons when we had it inspected. After 10 hours spent to reconfigure our robot into a defensive robot that could climb for ten, we wound up on the winning alliance (Yay!). We went on to win the MSHSL State Tournament with 2052 and 2175. 2014 - We could not get our superstructure to mate onto our drive deck properly for the first two matches at North Star - and the third match, our operator forgot to take the safety strap off the catapult. In our second match in the Semifinals, our partners were driven over a field element and became stuck - with the charged ball that would have been the difference. At the same time, our pawl stuck and we could no longer pull back our winch - the first and only time that this happened. We lost to the eventual champs. At state our robot launched a ball over the truss and cleared out the judges area... as seen here. 2015 - This was our most complete robot to date. However, when we reached North Star we had complications with connecting to the FMS along with issues with the RoboRio. We spent the first 8 matches either sitting idle or jerking around the field. Our last two matches were less than great. However, our marketing team did their job and we won the Team Spirit award. Our lessons learned are vast and varied. This season we walked out of NS with the idea that we do need to attend two regionals - so look out Wisconsin, Duluth, or ??? - we are coming! |
Re: What was your teams worst expierence during competition?
Maybe this is a new one...
Our robot pooped out a battery. I had made a fairly solid mount for it, with a door and everything. Somewhere between mounting the frame on the chassis and mounting the control system, it was removed. We drove over the step in autonomous, and out it went. Fortunately, it was quickly fixed with some rope, and that stood up pretty well. |
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We had to play 5 quarterfinal matches at MSC last year
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In 2013, during the tiebreaker match in finals at the Michigan State Championship, one of our alliance partner's auton frisbees bounced off the goal and landed directly in our robot between our pivoting shooter/magazine and base, effectively trapping it in the up position and preventing us from scoring the rest of the match. Fortunately, our driver switched to defense and our alliance managed to win the match.
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2009...built a really nice turret robot. wrong choice. we were so close to the right one while planning, just went down the wrong path.
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In 2012 our robot was amazing and we ended up as a first round pick on Archimedes along with 195 and 2415. We went against 1114 and 2056 in quarters and were looking great until we sprung a nasty pneumatic leak at the end of our first match and messed up the double balance. We ended up not being able to fix it and lost the second match by only 11 points. If our pneumatics hadn't have broken we easily could have scored 11 more points and could have taken it to a third match.
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The entire experience was probably 3476's worst during competition. Before the first SF match we lost tread on our center two wheels and had to scramble to fix it. It was only at that time we realized that we had forgotten to under-size our hex shafts in the design, and it was impossible to get the wheels off :ahh: Thankfully our alliance partner, 1717, thought quickly and riveted the tread straight back on. In total, we played 10 matches during eliminations. By the end it was almost comic. (I'm pretty sure we still have the screwdriver I physically bent trying to get those wheels off...) |
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At the Virginia Regional this year we played a total of 6 matches on Friday and something broke during every single one of those matches.
Also in 2013 at the palmetto regional during a qualification match a frisbee loaded into the slot was loaded in too early and hit our power switch and turned our robot off... |
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The worst I've come across was this year. We opened the chute door and the tote didn't move. Not even an inch. |
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