Questions tagged [gearing]
The gearing tag has no usage guidance.
1
question
3
votes
3answers
2k views
How high of a gear ratio can a motor have?
I want to make a robot arm where a joint is powerful enough to lift 8 kg up at a distance of 1 meter.
This requires torque $tau = r*F = r*m*g$ = about 80 nm.
So now I am trying to find the ...