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⚠️ Libfredo 15.4b | Minor release with bugfixes and improvements Update

Controlled Drop with Thruster?

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  • T Offline
    twharvey
    last edited by 27 Aug 2013, 10:56

    I building a clock model where the diving force in the real clock is a weight that drops puling a string that in turn unwraps from a drum, thus driving the clock mechanism. To make the simulation, I'm using a motor on the drum to drive the clock. I would like to have the weight drop at a controlled rate that would mimic the action of the real thing. I tried using a thruster on the weight with a negative number in the strength box thinking to adjust the strength number to set the rate of decent, but it just drops as if it were a group with no connection, when the simulation is run.

    Does anybody know how to make an object drop at a designated speed?

    Any ideas would be appreciated,

    Tom

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    • M Offline
      mptak
      last edited by 27 Aug 2013, 18:49

      What you describe should have been possible especially if you had a gyro attached. You are probably trying to avoid this but functions from the sketchy physics library like teleport or setVelocity would probably work.

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      • T Offline
        twharvey
        last edited by 29 Aug 2013, 08:38

        @mptak said:

        functions from the sketchy physics library like teleport or setVelocity would probably work.

        Thanks, mptak, those sound like just what I need, but where can I find this SketchyPhysics Library?

        Tom

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        • M Offline
          mptak
          last edited by 29 Aug 2013, 20:11

          https://code.google.com/p/sketchyphysics/wiki/ScriptFunctions

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          • T Offline
            twharvey
            last edited by 30 Aug 2013, 06:02

            Thanks, mptak.

            I've got it working! In case anybody else needs to do it, here's the model of the weight falling.


            ControlledDrop1.skp

            Tom

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