If we use the big part of the sun gear as a male spline on the female
billet coupling  this will greatly
simplify the input shaft. This part of the sun gear is normally ground
down and not used.

Still a work in progress.

Paul Lamar

I suspect machining a spiral or helical female  spline might be a real problem.
So extended point set screws to the rescue.

This is major simplification and addresses a problem we have had in the past
with the pin joint failing between input shaft and sun gear.


It also does away with one more spline eliminating all back lash from that source.


Paul Lamar

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