Recent content by barrygold

  1. B

    To calculate torque/power/rpm required

    Dear All. I need to calculate torque/power/rpm required to lift a 5 kg. load 150 mm. vertically in 10 seconds. I plan on using a 2mm cable wound round a 20 mm diameter drum connected to the shaft of a 6 volt dc. gear motor. Thanks in advance and best regards. Barrygold.
  2. B

    Calculate torque/power needed to lift a 4 kg load

    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...
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