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#1
November 19th 03, 08:15 PM
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In article , Ron Natalie wrote:
Increase over what? Lets see the Wright props already had efficiencies in the eighties, so this guy's prop must deliver more power than it is input. The rotors do add additional energy, as they are rotated by the engine. Of course, that energy has to come from the engine so there's really no magic here. 
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#2
November 19th 03, 08:26 PM
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"No Such User" wrote in message ... In article , Ron Natalie wrote: Increase over what? Lets see the Wright props already had efficiencies in the eighties, so this guy's prop must deliver more power than it is input. The rotors do add additional energy, as they are rotated by the engine. Of course, that energy has to come from the engine so there's really no magic here. You've lost me. If your engine is providing 100 HP, and one prop is 80% effeicient, you can not make more than one prop deliver 59% more power.
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