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Forum: Electric Pattern Aircraft

01-21-2015, 08:37 AM

Replies: 2,031

Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Views: 683,245

Posted By najary

Hi Dave, I am planning to use a Contra Drive...

Hi Dave,

I am planning to use a Contra Drive on my next plane and I have a basic questions:

Is the side trust should always be zero with a Contra Drive?

If a plane has a certain amount of...

Forum: Electric Pattern Aircraft

07-04-2010, 08:40 PM

Replies: 2,031

Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Views: 683,245

Posted By najary

RE: Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Hi bernner,

You write: "Gyroscopic moment is cancelled out",

I know that people prefer larger diameter props (heavier) in purpose to increase the gyroscopic effect in aim to increase the...

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