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    #1

    Angle parameters

    I'm not sure if this is possible, but it should be.

    I'm creating a scissor lift family. I have the lift runners as a nested component so it can be raised and lowered. The members under the lift that do the lifting will need to change angle as the lift raises. One end of them will also have to slide along the bottom of the lift runners and the base. Is that possible to do?
    Attached Files
    Dan
    Tags: None
    #2
    Yes, it is possible. You need some of the trigo formulas posted by Munkholm recently. This is a good challenge.
    Questions:
    What is the maximum angle, and what is the length of the arms of the scissor?
    Freelance BIM Provider at Autodesk Services Marketplace | Linkedin

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      #3
      Well, it's not a max angle, it a max height on the lift. It's 68".

      The length of the arms is about 11'.
      Dan

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        #4
        Mmmm trig. Good luck with this. You can join my club after you have gone insane.
        -Alex Cunningham

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          #5
          I'm already there! lol

          Actually, the legs will be about 10'-3"
          Dan

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            #6
            I think I've got it! Thanks Alf for pointing me in the correct direction.

            It works with just lines, now to make it 3d. lol
            Dan

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              #7
              Here´s a pointer on how to get the trig working
              Attached Files
              Klaus Munkholm
              "Do. Or do not. There is no try."

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                #8
                I would love to see the family once you have it finished.
                -Alex Cunningham

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                  #9
                  Originally posted by Munkholm View Post
                  Here´s a pointer on how to get the trig working
                  That's what I did, except I used the lift height parameter since the arm length is a constant. I just used the dimension:

                  sqrt(10' 3"^2-Lift Height^2)

                  Now if I could only figure out how to lock these damn sweeps. lol
                  Dan

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                    #10
                    create a sweep using the pick line tool... that should do it.
                    Martijn de Riet
                    Professional Revit Consultant | Revit API Developer
                    MdR Advies
                    Planta1 Revit Online Consulting

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