Quote:
Originally Posted by gwin99
Currently we have a mini cim through a versa planetary 5:1 driving a 3" winch. We also bought a 3:1 stage and will add it (for 15:1) if we aren't getting enough torque.
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According to JVN's calculator
http://www.chiefdelphi.com/media/papers/2755? the stall torque on that set will only be ~22lbs. With the 15 to 1 you'll be good for ~100lbs. Remember to account for the weight of the mechanism and the need for some extra power to overcome the static friction and the sliding or rolling friction in the lift.