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#1
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Re: If you could Breakaway all over again...
Definitely would take a redirecting robot idea seriously. It was brought up in a design session and quickly dismissed.
I also would have liked to have seen our team pursue a ball magnet and proper latch system for our kicker earlier instead of a double kicker. That being said, 2010 was definitely the most enjoyable season so far! |
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#2
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Re: If you could Breakaway all over again...
I would have bought a bigger box of popcorn and sat up higher in the stands. In the middle.
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#3
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Re: If you could Breakaway all over again...
For the most part, I was very satisfied with our robot's performance this year. Certain things could have gone our way (Week 1 suspension), or been done better (ball possessor).
However, there was one robot idea I had that would have been epic cool. Essentially, it would have looked a lot like 71's 'bot this year, with 2007-style ramps. The main point of the robot is facilitating suspensions, even without alliance partners that elevate. The robot unfolds the ramps, alliance members climb on, and the robot hooks to the tower and pulls all three robots up off the ground and over the platform. Now, to note, that really would not have been a great robot. But that fact is it would score 8 points in the last about 20-30 seconds (with setting up time). That would have won most regionals across the country, though would not have been as good in Michigan or the CMP. One concern would be getting enough power, but if at hooking, drive motors were transferred to hanging power, it could be done at a reasonable speed. This would be especially compatible with a spring-out hanger such as 2619, 201, or especially 2959. Though having said all that, i still think our robot is better. |
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#4
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Re: If you could Breakaway all over again...
Very few things I would change. Our head guy insisted we spend the first 2 meetings after kickoff talking about the game and planning strategy and not talking about the robot. This led to our priorities being speed and agility, being able to play any section, change sections and having a strong kicker, with hanging being a lower priority. I must disagree with previous posts as our mecanum wheels were one of our best assets and our drivers made good use of them. Although some teams had awesome hangers I saw many waste the last 30 or 40 seconds trying to set up, so I am not too disappointed we did not get ours working.
My biggest lessons as a first year electrical mentor are to plan the wiring very early so you can get what you need instead of using what you can get quick, and having the wires to the 4 wheel motors the same length (I have not yet been able to test if it makes a difference in how easy the robot is to drive straight). |
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#5
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Re: If you could Breakaway all over again...
...we would have prepared a block-469-from-reaching-the-tunnel autonomous program BEFORE we reached the Curie finals, rather than during the 5 minute break between matches.
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#6
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Re: If you could Breakaway all over again...
Wouldn't we all? Lol.
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#7
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Re: If you could Breakaway all over again...
The Poofs tried that and didn't quite get there in time after clearing all 3 balls.
They had the mode work almost perfectly on Einstien. That wasn't the only way to do it though. |
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#8
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Re: If you could Breakaway all over again...
Our kicker design did what we wanted to, so I don't think we would have improved our kicker.
We could effectively block 469 in autonomous, so that wouldn't need to be worked on. Probably our biggest limitation this past year was the bump. We were forced to use the tunnel due to our design, and while the limitation only affected us when we versed 469, I think it would have been a bit quicker to climb the bump rather than driving to the tunnel. We realized at our first offseason competition that it would be fairly easy to convert our robot into a bump bot, but figured that there would be no point. We also should have looked into hanging a little bit more. We had both horizontal and vertical hanging ideas, but we threw the idea of hanging out the window early on. We should have at least prototyped, but we decided that a hanger wasn't needed. Lastly, we should have worked harder on scouting and public relations. It seemed like we a good team that the other good teams were ignoring, yet a team that the rookies and 'bad'(for lack of a better word) teams were looking up to. Don't get me wrong; we enjoyed the praise and attention from the rookies, but we wanted to play with the powerhouses more often than we did. |
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#9
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Re: If you could Breakaway all over again...
Quote:
As for the balls-on-the-wall problem, I thought my team had a pretty wonderful solution for that: Lexan on the front tilted inward about 10 degrees. Driving against a wall "rakes" the ball into the center, at which point our vacuums would grab on. This small and subtle difference saved ball after ball from being pushed away from our robot and gave us a huge competitive edge over other "push bots" since we wasted a lot less time per ball. |
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#10
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Re: If you could Breakaway all over again...
When we shipped our robot to Wisconsin, we had a hanger on our robot. Unfortunately we were about 5 lbs. overweight and no one seriously thought about cutting the weight we needed to cut to keep it. Now, I realize exactly where we could have cut most of the weight we needed. The place: our ultra-tough kicker. The reason: as part of our design we had a massive 6-8 in. diameter delrin drum (swiss cheesed of course) but in reality we only needed half a drum (or no drum at all). It weighed a good ten pounds. Cutting a third off on the front portion certainly would've helped.
Last edited by J93Wagner : 28-09-2010 at 19:48. Reason: Typo |
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#11
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Re: If you could Breakaway all over again...
What I'd do: Actually smack the seniors over the head who refused to do any math or physics calculations and just slapped parts on the robot and said, "It'll work". It failed. Miserably. Our hangar was about 3 inches too short, getting over the bump was an arduous task and took almost 10 seconds if done right, the kicker kicked about 4 feet and it had severe issues turning...
Lesson learned: Do some frackalacking calculations and design work people. |
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#12
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Re: If you could Breakaway all over again...
We would probably spend less time on our repeater-crossbow-kicker idea and we would probably build the flipper arm on the bottom of the robot that would flip it on to the platform from the bump that I thought of last week.
This would have been nice because it would have allowed us to get what is essentially a hanging robot but would be much easier and much faster. Also we never lost a match by more then a point, so those two points would have been very nice. |
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#13
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Re: If you could Breakaway all over again...
By the end of the season (after IRI end of the season, not after cmp end of season) I was very happy with the robot. Most of the changes I would make involve making already-made changes earlier:
1. Should have had a pincher collector from the beginning, and tuned it during the last few days instead of building a top roller then building/testing the pincher roller after the robot was bagged. 2. I should have implemented the automated ride height modification software at the beginning instead of before IRI. This seriously helped with chassis rock and improved turning. Before that, we had to balance the two, and too much rock leads to carrying penalties while to little leads to difficulty turning. 3. 4-motor hang? With the arm controlling ride height, needing constant power to operate, I wouldn't do this. I think we hung fast enough. 4. Talk to judges better - As a programmer, I always want to win the Innovation in Control award. |
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#14
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Re: If you could Breakaway all over again...
Can my team win that for the lack of controls? (Autonomous all the way)
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#15
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Re: If you could Breakaway all over again...
If 1647 could breakaway again, I know we would have probably just modified and read the rules a little better to modify our deflector. It wasn't as perfect as we thought but it worked in Philly fantastically. Again with what someone else brought up with the balls on the wall, I had a great idea about making a swerve/mecanum drive that would have a single shooter like ours and get up against the walls. With our bot, it was difficult to situate ourselves behind the balls so we would have worked on that as well.
There are many things that we would have loved to tinker with but I believe that we played a great game this year and will continue to do so next year. |
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