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Unread 30-04-2013, 22:23
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peirvine peirvine is offline
GOFIRST Director of Engineering
AKA: Peter Irvine
FRC #2175 (Fighting Calculators and Ri3D 'Snow Problem)
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Join Date: Mar 2012
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Re: Best Drive Train

Quote:
Originally Posted by runneals View Post
I would agree that there is no best wheel. But, I believe the universal best design concept is one like our butterfly drive, where you are able to incorporate 2 different types of wheels (we chose 1 fast omni & 1 custom wheel that provided traction) that provide features that the other one could not solely do by itself. This was a big thing that we took into consideration when scouting and selecting other teams for our alliance, as some of them had drivetrains (I believe mechanum was one) where they could easily be pushed around and couldn't hold their ground and play defense, which was fairly important in Ultimate Ascent.
The only addition I would make to your drive base would be the addition of a strafe wheel in the center of your robot. You had the right idea with the butterfly drive, its pretty much a Jump Drive, but in order to make better use of your omni's I would have put a strafe wheel in the middle, otherwise you would have been better off just building a multi speed gearbox. Don't get me wrong, I love your butterfly concept, in fact, our team my try it out this summer, but you need to have a strafe wheel if you have omni's.
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