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Twin rotor Autogyro

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Old 01-15-2008, 03:33 AM
  #1
quentinmayberry
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Default Twin rotor Autogyro

I scratch built this loosley based on a DB Autogyro.

It flew quite well, fine with left turns, but violent roll to the right in right turns. Both rotors turn out the way, i.e. the right rotor turns clockwise and the left one anti clockwise.

Does anyone know if they should turn that way or inwards, does it in fact make a difference?
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Old 01-15-2008, 07:43 AM
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da Rock
 
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Default RE: Twin rotor Autogyro

Why not simply swap them and find out?
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Old 01-15-2008, 08:00 AM
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quentinmayberry
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Default RE: Twin rotor Autogyro

Yes I had planned on that, but as the next indoor event isn't til February, I can't try it out until the day. I was just curious if it was that simple, or maybe a thrust alignment issue from the motor, which isn't easy to rectify on the day!
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Old 01-15-2008, 05:52 PM
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Default RE: Twin rotor Autogyro

A buddy of mine built the Skip Ruff (I think that was the designer) one from Model Builder and said it flew just like a regular model. One thing though. Do NOT force it to go to negative G load for more than an instant or the rotors unspin and it falls from the sky like a brick unless you're extremely lucky and the rotors spin back up.
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