Hi,
brlcad has left the following comment at Model a gerotor in 3D using
BRL-CAD
https://www.google-melange.com/gci/task/view/google/gci2014/5773120388464640:
doesn't look quite right
Aditya, this looks like the right idea, but doesn't look like it's actually
correct. That is, it looks like a gerotor, but it doesn't look like you
made a model that will actually rotate correctly. A gerotor inner gear must
maintain tangency with the outer gear and the rotation of the inner gear
should result in a stable rotation of the outer gear.
Moreover, I would have expected a 3-prong triangle gear to look more like
this: US07147445-20061212-D00002.png
That's not to say that a pointy gear cannot work, though, so please just
cite a source or example that indicates one will work that way. See the
youtube link in the task description for details on how you can calculate
an exact construction for a 3-prong gear.
Greetings,
The Google Open Source Programs Team
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