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Tandem rotor gyroplane

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joe nelson

Well-Known Member
Joined
Jan 9, 2008
Messages
265
Location
Cincinnati,Ohio
Over the last 6 months or so I've have been testing a scratch built model of a two rotor gyroplane. It has a struggle, at times, to guess what the problems are with this type of aircraft since there's not alot information out there. Last week, the model flipped over while testing in front of a large shop fan. It was broken but not too severly. I think the problem is one of center of pressure moves beyond the center of gravity. This allows the model to lift off at the front but remains ground bound in the rear. My theory is that the gimbaled heads allow the CP to have a large range of movement...to well in front of the CG. My solution is to change the rotors to swash plate control to keep the CP rather stationary.

I thought that I might share my project here on the forum with everyone and to see if there's any suggestions, ideas or chuckles.
 
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