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Glide Ratio power off

 
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n801za(at)HOTMAIL.COM
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PostPosted: Wed Jul 12, 2006 7:40 am    Post subject: Glide Ratio power off Reply with quote

Frank Hinde wrote:
Quote:
> One thing that I haven't seen mentioned in this thread is the
>difference
> in glide between power off and engine stopped.
> I got pretty good at power off landings in my RV3 and could coast to
>a
> stop next to my hanger 3 out of 4 times but when the engine shelled
>out
> (yes, it's true Mable ,them Lycomings break too) about a half mile
>from
> the airport with plenty of altitude, I had to land on the road
>dodging
> powerlines and cars. There is a LARGE difference in glide ratio.
> John

What was the prop pitch on your RV3. Did the prop stop during the glide or
continue windmilling? I had a PA20 piper with a 74-52 prop, I used to
take it out over a large river sandbar and practice engine out landings. It
glided measurably better with the prop stopped than it did with it
windmilling, or idling.

Jim Frisby
N801ZA


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John Bolding



Joined: 23 May 2006
Posts: 281

PostPosted: Wed Jul 12, 2006 9:28 am    Post subject: Glide Ratio power off Reply with quote

"Jim Frisby" <n801za(at)hotmail.com>
Quote:
What was the prop pitch on your RV3. Did the prop stop during the glide
or

Quote:
continue windmilling? I had a PA20 piper with a 74-52 prop, I used to
take it out over a large river sandbar and practice engine out landings.
It

Quote:
glided measurably better with the prop stopped than it did with it
windmilling, or idling. Jim Frisby

Don't remember the pitch but cruised at 198 (at)2700.
Wood props and high compression don't windmill, would stop in a few
revolutions.
Could airstart at abiut 150 or so . John


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