Recent content by JesseWendt

  1. J

    Need help with motor sizing/torque calculation - Building a Ski Rope Tow.

    Thanks. That answers 1/2 of the question. If the output is 90ft-lbs how do I now determine whether or not that is enough to move the rope and 500 lbs of skier/snowboarder up the 20% grade with a 14" pulley on?
  2. J

    Need help with motor sizing/torque calculation - Building a Ski Rope Tow.

    I completely understand what you are saying and that is what I am trying to do. I know that 1750 RPM is a standard speed for electric motors. I also know that I have several options for gear reduction, but my issue is if I use a 2hp motor going into a 15:1 reducer I do not know what the...
  3. J

    Need help with motor sizing/torque calculation - Building a Ski Rope Tow.

    I am building a homemade ropetow in my backyard. I have done a lot of research and unfortunately I have been away from physics for about 15 years, so I am having trouble calculating my motor size and transmission options. I will lie out what I am trying to accomplish below. Here are the...
  4. J

    Building a Ski Rope Tow. Need help with motor sizing

    Yep. I have that covered with switches at the top and bottom and a trip line that will kill the motor.
  5. J

    Building a Ski Rope Tow. Need help with motor sizing

    Need help with motor sizing/torque calculation - Building a Ski Rope Tow. I am building a homemade ropetow in my backyard. I have done a lot of research and unfortunately I have been away from physics for about 15 years, so I am having trouble calculating my motor size and transmission...
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