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Unread 06-01-2010, 03:09
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Where'd my wrench go?
AKA: Michael Baker
FRC #0675 (Tech High Phantom Robotics)
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Re: crab drive vs. mecanum drive system

Quote:
Originally Posted by AdamHeard View Post
A crab can be switched to a skid steer pretty easily in just about every application of it I've seen. Sure, it's obviously not the lightest and most efficient skid steer when in that mode, but it is equally as functional.
Alright, I'll give you that.

But this is FRC, where we need to keep weight, simplicity, and practicality in mind. Not to mention, the inevitable increase in flex (solid axle to frame members vs. mounting via several seperate links) makes it even less efficient.

I honestly can't see any practical reason why Crab would have huge advantages over a 6wd drop-center design. Especially not advantages that could be used as justification for the higher cost/longer build time/etc.
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