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Message-ID: <20041220021025.41627.qmail@web41503.mail.yahoo.com>
Date: Sun, 19 Dec 2004 18:10:25 -0800 (PST)
From: Tom <tomtugan@yahoo.com>
Subject: Re: [FlyRotary] Re: George Graham glide update
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-573370@logan.com>
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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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