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  1. barrygold

    how to calculate torque/power/speed needed

    Hi All. I am looking to determine the torque/power/rpm. needed to lift a 4 kg. load 150 mm vertically in 10 seconds. I need to use a 6 volt dc. gear motor mounted vertically and connected to a 12 mm dia. acme lead screw ( steel ) with a 3 mm pitch and 48 % efficiency. The lead screw nut witch...

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