Thread: Gearbox friction model
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Unread 28-12-2013, 01:02
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Re: Gearbox friction model
Quote:
Originally Posted by Bryce Paputa View Post
So,

Code:
OutputFreeSpeed = inputFreeSpeed / ratio * speedEfficiency^numStages;
OutputTorque = inputTorque * ratio * torqueEfficiency^numStages
?

What's a good estimate for these constants? .85 for both of them?
Depends on motor piloting, number of stages (yes, the efficiency per stage varies per number of stages), which motor you use, amount of stress on output shaft, heat, etc. Best thing to do is to test it out in the field.