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Loci in Epicyclic gearing B3




r: pitch diameter of the fixed sun gear with external teeth.

R: pitch diameter of the planetary gear with internal teeth

k = R/r = 3

Loci of various points on the planetary gear are shown.

The red is for a point on the pitch circle of the planetary gear.

1 cycle of the mechanism corresponds 3 revolutions of the input crank.




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