Z 14

Planetary Gear Drive

This drive illustrates the principles of planetary gear systems. A 108-tooth internal gear engages three 30-tooth planetary gears, which mesh with a 48-tooth sun gear on a con-centric shaft with the input arm that holds planetary gears. All different members can be fixed individually. This Drive illustrates speed ratios, directional relationships and principles of construction in drives involving gears on moving centers.

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