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When I was a kid making model airplanes, we used to arrange the propeller to
freewheel after the rubber bands were expended, rather than rewind them in
the opposite direction. Made a huge difference in the glide performance.
Jack Ford
----- Original Message ----- From: "Tom" <tomtugan@yahoo.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, December 19, 2004 6:10 PM
Subject: [FlyRotary] Re: George Graham glide update
I wonder if a free-spinning prop on a broken tranny would not have the
same
drag as a spinning prop which is turning the motor? I'd be inclined to
say
they would differ.
Tom
--- Bob White <bob@bob-white.com> wrote:
> Somenone else recently reported a spinning prop having negligable effect
> on engine out glide. (Dave Leonard maybe?). I'm thinking that the
> biggest effect occurs with a C/S prop that goes to flat pitch when it
> looses oil pressure. I think twins often use feathering props for that
> reason.
>
> Bob White
>
> On Sun, 19 Dec 2004 15:41:53 -0500
> "Tracy Crook" <lors01@msn.com> wrote:
>
> He glided about 20 miles from an altitude of only 5000 ft with the prop
> freewheeling! I've heard several times that a freewheeling prop (no
> engine drag on it) would generate lots of drag. Another sacred cow shot
> down : )
> >
> > Tracy
>
> -- > http://www.bob-white.com
> N93BD - Rotary Powered BD-4 (soon)
>
> >> Homepage: http://www.flyrotary.com/
> >> Archive: http://lancaironline.net/lists/flyrotary/List.html
>
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