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Author Topic: Stationary internal gear in planetary system  (Read 204 times)
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Phil Abernethy
Posts: 3

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« on: March 30, 2019, 07:58:33 PM »

Hi there, is it possible to make an internal ring gear stationar y in the simulatio n ? so that the sun & planet arrangeme nt rotates within the stationar y internal ring gear
« Last Edit: March 30, 2019, 08:02:47 PM by Phil Abernethy » Logged
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« Reply #1 on: April 22, 2019, 10:21:51 AM »

Nearly a month on and no answer to this question?

I have the same problem. Many uses of planetary gearsets require one or other of the ring/carrier/sun to be fixed/stationary -- especiall y high-ratio compound setups.

Is this possible in gearotic?
Hero Member
Posts: 5338

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« Reply #2 on: April 25, 2019, 07:12:27 AM »


 Sorry for the slow responce, I hadn't got a notificat ion on this question.

  Unfortuna tely, you cannot lock a pinion in a planetary . Gearotic uses a simple rule based
system for its rotationa l simulatio n. Locking pinions and such requires a kinetic analysis
to be done with forward kinematic chains that Gearotic cannot handle.

  It basically follow a rule that gears can turn, but not move away from their center.


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