Epicyclic Gear

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epicyclic gearing



in epicyclic gearing 1 or more of gear axes moves. examples sun , planet gearing (see below), cycloidal drive, , mechanical differentials.



sun , planet

sun (yellow) , planet (red) gearing



sun , planet gearing method of converting reciprocating motion rotary motion used in steam engines. james watt used on steam engines around patent on crank, provided advantage of increasing flywheel speed watt use lighter flywheel.


in illustration, sun yellow, planet red, reciprocating arm blue, flywheel green , driveshaft gray.








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