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    Centrifugal shifting

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    • G Offline
      gepponline77
      last edited by

      Hi!
      I'm trying to realize a centrifugal launcher.

      It is just a cilinder with a threaded ring that rotat and i want the ring to be launched or unthreaded from the cylinder.
      I can't understand which joint to use with the ring w how.
      Can anyone help me?

      I attach my project.


      centrifugal.skp

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      • chriC Offline
        chri
        last edited by

        hi GEP

        The probleme is not with the joint.

        In first time , you need to make a pipe .
        Please take a look on the next picture .

        In a second time , you need to create a cylinder

        Please , look at my file , centrifugal 2

        if you'd like more explanations , take a look on these 2 topics :

        http://sketchucation.com/forums/viewtopic.php?f=61&t=48430

        http://sketchucation.com/forums/viewtopic.php?f=61&t=46796

        Have fun

        chri


        group to make cylinder.png


        create a cylinder.png


        centrifugal 2.png


        centrifugal 2.skp

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        • G Offline
          gepponline77
          last edited by

          So let me clear concept in my mind.

          I have to create a cylinder not from a circle but with multiple segments?
          Is this the only way?
          No settings for the ring group to make it work as a real ring?

          I noticed that if i don't group the ring with the cylinder, i can use a normal pipe, but the ring shift on the wrong direction, how to change it?

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          • chriC Offline
            chri
            last edited by


            I have to create a cylinder not from a circle but with multiple segments?
            Is this the only way?

            PLEASE TAKE A LOOK ON MY TUTORIAL --
            http://sketchucation.com/forums/viewtopic.php?f=61&t=46796
            YOU WILL SEE THE AVAILABLE OBJECTS --


            No settings for the ring group to make it work as a real ring?
            UNNECESSARY


            I noticed that if i don't group the ring with the cylinder, i can use a normal pipe, but the ring shift on the wrong direction, how to change it?

            I DON'T THINK SO
            PLEASE TAKE A LOOK ON THE TOPIC ABOUT READBACK COLLISION
            PERHAPS IT WILL HELP YOU TO HAVE A BETTER UNDERSTANDING ABOUT COLLISION
            http://sketchucation.com/forums/viewtopic.php?f=61&t=48693

            sorry for my english
            christian from France

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            • G Offline
              gepponline77
              last edited by

              As I told you, If I don't group the object, it work.

              I attach an example....
              Inthis example the problem is that i can't stop the centrifugal excursion at the collision with the main block.


              Pitch.skp

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              • chriC Offline
                chri
                last edited by

                Hi GEP

                Please , try this

                bye

                chri


                Pitch 2.skp


                JOINT IS ONLY USED TO CONNECT.png

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                • G Offline
                  gepponline77
                  last edited by

                  Perfect! It seems to work now (and without creating a multiple coyies ring) πŸ˜‰

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