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Unread 18-02-2014, 12:18
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Electronica1 Electronica1 is offline
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Re: Robowranglers 2014: Vader

Quote:
Originally Posted by Tom Line View Post
As to the why: every tried to get 5 legs of a stool all the same length? Articulating that wheel is necessary - pneumatically or otherwise. I'd guessing this is a way of not using more pneumatics.

We have a little bit of familiarity with a slide-drivetrain. We tried one in 2008 but we hard-connected the wheels to the frame and quickly discovered why you absolutely MUST have mechanical compliance to insure all the wheels are on the ground. What they have here appears to be a refinement of their 2010 drivetrain.
I meant why as in why do this method over, lets say, spring loading it. I understand with H drive you want to have the center wheel always against the ground, however, my team's FTC team did an h drive with the center wheel drop a 1/16 of an inch and it worked pretty well. I am just curious about why use a "floating" center module rather than a spring loaded module? Was the reasoning so they could drift when the center motors were not running?
 


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