Re: static thrust

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Subject:		Re: static thrust
From:		Rick Holland (at7000ft@gmail.com)
Date:		Fri Nov 20 - 4:33 PM

Good analysis work Malcolm. How did you measure your static thrust? I am
also test running a WW Corvair conversion but with an MA3 and get 2950 with
a 66x30 Tennessee prop, running at 6700 ft. (around 18% less HP than sea
level).

Rick

On Thu, Nov 19, 2009 at 8:37 PM, <gliderx5@comcast.net> wrote:

> Dan
>
> I have the results of my static thrust testing at
> http://home.comcast.net/~mmorrison123/engine_test.html>.
> Corvair with a homemade prop.  2500 RPM static giving 280 lbs thrust.  I
> spoke with William Wynne at Oshkosh, and he indicated that for a Piet I
> should be more like 2700 RPM and 350 lbs thrust.  I may look at getting a
> Warp prop.  It is highly likely that the factory can make a better prop than
> I can.
>
> Malcolm Morrison
>
>
> ----- Original Message -----
> From: helspersew@aol.com
> To: pietenpol-list@matronics.com
> Sent: Thursday, November 19, 2009 7:49:50 PM GMT -05:00 US/Canada Eastern
> Subject: Re: static thrust
>
>  Gentlemen,
>
> Has anyone done a static thrust test on their flying airplane (or almost
> flying?). I have measured 265 lbs. with my Model A and my 76/46 prop. I
> would be curious how this stands up to others.
>
> Dan Helsper
> Poplar Grove, IL.
>
>
>    *
>
> *
>
> *
>
> *
>
>


-- 
Rick Holland
Castle Rock, Colorado

"Logic is a wreath of pretty flowers, that smell bad"