Planetary Herringbone Wave Gear

**update**
These will not work.... despite a good theory my software Solidworks 2013 is not calculating helix angles correctly.... i have confirmed this with 2018 but dont have regular access to 2018 so when i do i will try to fix these files. presently the ring gear helix is producing a shallow angle and is intersecting the other gears.

I will have to manually tweak the helix angle to make one that functions

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This is a concept of a rounded tooth gear in a helical planetary arr