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Contra rotating propellers

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Dave Hodges

Well-Known Member
Joined
Jun 29, 2014
Messages
108
Location
Reidsville, GA
Does anyone know where I can find a contra rotating propeller mechanism? This is a setup that has two propellers on the same axis. One drive shaft is inside the main pipe. The other drive shaft is outside the main pipe. The drive shafts are coaxial and each has its own pulley and propeller. Each pulley has its own engine.
 
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