Hans S Posted August 30, 2008 Share Posted August 30, 2008 I mean contra-rotating. I'm looking for some education. 1. The S.American Cozy with the two engines, why didn't they tie both engines to a single prop. 2. Is contra rotating inline more efficient than say counter rotating, but one on each side of centerline? Yaw issues because one prop craps out not withstanding. 3. If you need to gear down because of an auto conversion anyway, would it be more efficient to build a contra box with two smaller contra props? This could give a fluff factor for high nose landing/takeoffs. I've seen helicopter designed with contra rotors. Except for the complexity of the system I can't find the effiency issues on the net. Edit: Let me clarify that I can find lots of info on boat props, but air is few and far between. Tho from what I've found, could be a good way to go, for some. Quote Link to comment Share on other sites More sharing options...
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