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Unread 23-11-2013, 21:08
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Re: Mecanum Differential Drive

Quote:
Originally Posted by Oblarg View Post
Oh, it's a 64t? Do the 72t gears have ground clearance problems, or did you just want it to run faster? I ask because I had been previously advised that 12t pinion on a 72t gear with a 4'' wheel ends up at 16 fps and works well.
I believe, but am not certain, that 3928 ran 12:72 (15.5 fps free speed).

We ran 12:64 (17.4 fps free speed) because we like things faster in California.

The extra ground clearance is a bonus. Even with the 64T a lot of crud was sucked into the gears.