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Unread 15-01-2016, 14:18
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Re: 9 ft/sec for an 8" wheel drive?

Quote:
Originally Posted by FrankJ View Post
You double your wheel size, you will double your speed. You will halve your available force on the ground for a given motor torque. Your acceleration will be slower (1/2 in your friction less physics lab.) Wheel size changes the total reduction, but you can compensate by changing the gear ratios to match.
Right, but according to the motor curve, as you approach stall torque, speed in rpm decreases. Would momentum affect this? I.e. would it just be acceleration time that increases?

Also, what is gear spread? I hear people talking about this but I never understood this myself.