Re: Re: interesting link about ornithopters

From: Don Slusarczyk <don_at_slusarczyk.com>
Date: Thu, 24 Jun 2010 09:56:05 -0400

One of the things on the pinwheel gyros is the angle of attack of the
rotor and its flex. You want the rotor to spin as slow as possible
without stopping, the faster it spins the more drag it has.

Don


>
>
> What if we made the "provisional" autogyro rules for rubber power
> (perhaps hard due to torque and prop size) OR for electric power using
> one 10-mAh LiPo (possibly easier)?
>
> My "faux" autogiro flew about 25% longer and with a thinner motor
> without the rotor. I have the times and average power (in mA) both
> with and without the rotor if anyone thinks it is worthwhile for me to
> dig out the data.
>
> Fred Rash
Received on Thu Jun 24 2010 - 06:56:15 CEST