Edwards Radial Engine

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Master

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Having difficulty understanding the gear setup. Seems like there is a gear missing in my plans. I don't understand how the crankshaft mates up with the idler gear arrangement to the outer gear ring. I keep looking for a gear on the crankshaft itself.
 

josodl1953

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Hi Master,
I hope this sketch will make things clear. There may be some confusion because the crank gear and the mating idler do not seem to have the same diameter on the cross-section drawing but in reality they are the same: gear ratio crankshaft/idler is 1:1, ratio idler/ringgear is 1:4
crank gear.jpg


Jos
 

Master

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Thank you for your response. What I can't figure out is what is the part number for the crank gear? I can see the ring gear and the idler gear and pinion gear. My plans show three gears. Seems there should be a crank gear to mesh with the pinion.
 

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