Magic of Mechanics - Epicyclic (planetary) gears

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shorbagy10
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All About Epicyclic gearing

This Video illustrates :
- How does Epicyclic gear Work
- some Application of Epicyclic gear
- How to make Epicyclic gear calculation

 
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Discussion

This is all fun and games but even more "magical" is a compound planetary gear set which can attain absurdly high gear reduction (1:10 to 1:20000) with only 4 gears.
 

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