Recent content by GreaseMonkey83

  1. G

    Torsion spring force required to open a door

    Yes... that seems a lot easier than what I was thinking. I thought the moment of inertia of the door would have to be factored in somehow. Thanks!
  2. G

    Torsion spring force required to open a door

    Ah yes, good point sir. It has been added.
  3. G

    Torsion spring force required to open a door

    I have a heavy door that I am adding torsion springs too in order to make it easier for a human to open. -The door weighs 460lbs. -It is hinged on one side by two heavy duty hinges and uses a thrust bearing in each hinge with a friction coef. of .008 -the effective radius of the thrust bearing...
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