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Unread 04-01-2013, 10:37
MichaelBick MichaelBick is offline
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Re: Sheet Metal, 8-Wheel Drive Design

Quote:
Originally Posted by n1ckd2012 View Post
Vex does provide an alternate gear set for the ball shifter at a slightly faster ratio. Our numbers do not take effiency into account. Still need to run the various ratios through the JVN spreadsheet.

Alternatively we might use this 3 motor gearbox:
http://www.vexrobotics.com/vexpro/ge...reduction.html

More specs:

The wheels are 6x1.5" colons with WCP live and dead hubs.
The tensioners are HPDE rods. You twist them to vary the tension.
Chassis is 27x33 in long configuration.
The braking method is borrowed fr 1477's 2012 robot.
Yeah that's really slow for a 2 speed. I would reccomend finding gears from vex that have the same combined tooth count that get's you to around 16fps(100% efficiency) give or take.
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