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Go to Post In my opinion, the hardest part of the competition is not that actual manufacture of the robot, but the design process. It is the enginners that go through the design process all the time that will have the edge in this competition, not the best machinist. - Wetzel [more]
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Unread 03-20-2017, 12:51 AM
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Low Efficiency Boiler Bots?

I've been to a district event and watched several more online, but I have yet to see a Low Efficiency Boiler Bot scoring the low goal.

Don't get me wrong, I've seen a couple really good low efficiency boiler bots... they can dump their load about three to four times as fast as most of the high shooters, and with pretty good accuracy. It's just that they haven't had the chance to play yet.

I'm also thinking that a low-goal scorer could keep a good high goal scorer stocked with fuel.

Anyone seen either a good low goal scorer filling the low-efficiency boiler, or refueling a high shooter? Any suggestions on matches to watch on Blue Alliance?

Thanks,

Jason
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Unread 03-20-2017, 03:23 AM
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Re: Low Efficiency Boiler Bots?

We have created the MCC (without actually intending to create it. We didn't follow what 1323 did n the video we just ended up with that robot. It just has a different drive train and hanger) but we'd rather feed other bots than waste time with the low efficiency boiler. Mostly we run gears.
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Unread 03-20-2017, 03:49 AM
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Re: Low Efficiency Boiler Bots?

231 high voltage
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Unread 03-20-2017, 06:15 AM
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Re: Low Efficiency Boiler Bots?

Quote:
Originally Posted by dtengineering View Post
Anyone seen either a good low goal scorer filling the low-efficiency boiler, or refueling a high shooter? Any suggestions on matches to watch on Blue Alliance?

Thanks,

Jason
3683 is a great example of an effective low goal robot.
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Unread 03-20-2017, 06:41 AM
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Re: Low Efficiency Boiler Bots?

245, the Adambots, were fairly effective at scoring in the low goal at the FIM District - Kettering University #1 event. And while the low efficiency boiler is really not worth the time and effort of trying to score in it, they did an excellent job of doing it when they needed to. You can see them score roughly 40 fuel in the low boiler at around 1:55 in qualification 24.
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Unread 03-20-2017, 08:07 AM
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Re: Low Efficiency Boiler Bots?

I don't remember the number, but there were at least 2-3 teams playing the low-efficiency boiler in Orlando. One pretty clearly had adapted their high-goal shooter to dump low in autonomous and land those 3.33 kPa.
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Unread 03-20-2017, 08:19 AM
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Re: Low Efficiency Boiler Bots?

399 had a very effective low boiler not in San Diego
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Unread 03-20-2017, 08:56 AM
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Re: Low Efficiency Boiler Bots?

Quote:
Originally Posted by gorrilla View Post
231 high voltage
231 has been the only robot I've seen in person.
They had a great match in Qual 52 where they scored a few points to break the tie.
https://www.thebluealliance.com/match/2017txho_qm52

Video will probably be uploaded soon
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Unread 03-20-2017, 09:25 AM
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Re: Low Efficiency Boiler Bots?

We have low goal capability. I think in all of our matches at Hub City we scored between 4-8 balls total. So I'll say 2/3 of a KPa (so no points). There was also a time where I fired the mechanism by mistake, launching balls in the neutral zone, which is a five point penalty.

So at the moment our low goal mechanism has a value of -4 and 1/3 points or -5 points if you want to be real and make me feel bad about it.

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Unread 03-20-2017, 10:00 AM
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Re: Low Efficiency Boiler Bots?

We have a low goal dumping robot. Scores about 40 balls at a time. Worked perfect in scrimmages and testing, but we never had a chance to use it at our regional. Ended up removing most of the system to save weight when our climber suddenly stopped working right before Elims.
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Unread 03-20-2017, 10:12 AM
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Re: Low Efficiency Boiler Bots?

For this year we shot to build an efficient low goal scorer. We had an efficient collection and dump method. We could dump 40 balls in 15-20 seconds, when we got to competition however it didn't matter. Gears were all that mattered, we could not get enough points fast enough to make it worth our time. It was very disappointing. We have to now burn our 6 hours revamping our gears and climber.
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Unread 03-20-2017, 10:26 AM
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Re: Low Efficiency Boiler Bots?

Quote:
Originally Posted by E, Palmer View Post
For this year we shot to build an efficient low goal scorer. We had an efficient collection and dump method. We could dump 40 balls in 15-20 seconds, when we got to competition however it didn't matter. Gears were all that mattered, we could not get enough points fast enough to make it worth our time. It was very disappointing. We have to now burn our 6 hours revamping our gears and climber.
At the risk of derailing the thread: Is that 15-20 seconds figure the act of collecting and dumping them, or just of releasing them into the low-efficiency boiler?
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Unread 03-20-2017, 10:59 AM
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Re: Low Efficiency Boiler Bots?

Quote:
Originally Posted by Billfred View Post
At the risk of derailing the thread: Is that 15-20 seconds figure the act of collecting and dumping them, or just of releasing them into the low-efficiency boiler?
15-20 seconds is a long time to dump 40 balls. If you're taking that long to dump into the low boiler, then you defeat the purpose of a low goal in the first place really.
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Unread 03-20-2017, 11:52 AM
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Re: Low Efficiency Boiler Bots?

399 and 3959 have by far the highest calculated contributions to low goal points.

Note that these ratings are found using qual data only.
Attached Files
File Type: xlsx low efficiency calculated contributions.xlsx (217.9 KB, 59 views)
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Unread 03-20-2017, 12:40 PM
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Re: Low Efficiency Boiler Bots?

We have the ability to dump in the low goal, we actually designed for it. But it has never been used in competition and we'd like to keep it that way .

We attempted to do fuel in a qualification match at South Florida just for fun and the dumper didn't activate because there were too many in our hopper. So we climbed, the match ended and as the volunteers began to remove the fuel the system finally fired sprayed fuel everywhere. It was actually really funny.
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