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Unread 24-10-2010, 19:53
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Re: Chainless Mecanum Drive

Quote:
Originally Posted by spiffyspleen View Post
What ratio do the Andy Mark gear boxes come in? We have several assembled from last year so would we actually have to change them?
They are 12.75:1

Quote:
Also, I am new to mechanical and am not too familiar with gearboxes. What does 12.75:1 actually mean?
It means that for every 12.75 turns of the motor shaft, the gearbox output shaft turns once. You are trading speed for torque.