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Old 01-18-2006, 06:02 AM
Join Date: Nov 2005
Location: Auckland, NEW ZEALAND
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Careful about claiming that it is only the bit of the prop sticking outside the cowl that is working, once the air is behind the prop it has done its work, so the whole prop is still doing its job, no matter what is behind it, otherwise you would expect the prop revs to be different depending on the type of cowl is stuck back there. This does not happen. Your admission that the engine revs increased with the change of prop is the real answer, put simply, more revs, more power, more speed.