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 45 degree control arms? Why?

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PostSubject: 45 degree control arms? Why?   Sat Jun 13, 2009 2:52 am

This is rather theoretical question. If you may have noticed, in coaxial models like Lama, server arms of the swashplate are positioned at 45 degree angle to the desired rotor deflection. So if you want to move helicopter forward, the maximum pitch is applied 45 degrees prior to forward direction. In single rotor it's usually applied 90 degrees before due to gyroscopic effect. So why 45 degrees in coax if only one rotor is controllable?
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45 degree control arms? Why?
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