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Re: 2012 drivetrain
Well, we are on the West Coast...
6 wheel WCD (our "poor team's" version), 1/8" center drop, 6" kit wheels. AM Supershifters driven by 2 CIMs each, directly driving the center wheels. (We replace the output shaft on the Supershifters with a long hex version, but leave the rest of the shifters unmodified so that we can reuse them.)
The KOP wheels were the best traction on the bridge we could find.
What was key for us this year is the size of the bot - 27" square. Axle separation was 10 inches, track width 26". This meant easy Barrier traversal (using our "skip-loader" arm to do a "push-up" on the Barrier to raise the front of the 'bot) and taking up a total of 17" on one end of a bridge during triple balances.
This is the best driving robot we've every built - no reason to change the drive system. (Now our shooter was a different matter...)
- Mr. Van
Coach, Robodox
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