Mailing List flyrotary@lancaironline.net Message #28483
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Another run-up
Date: Thu, 15 Dec 2005 08:56:44 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
My blades are very wide John. I will try to measure area somehow. But I would like to try your and see what I get.
Thanks.
Buly
On Dec 15, 2005, at 8:45 AM, John Slade wrote:

I will do some taxi tests before clipping the prop.
Buly,
Something Clark Lydick (Performance props) said to me while discussing fine
tuning of my fixed pitch prop may be of interest....

My total blade area is 305 sq inches, pitch is 84. Standard blade area for a
200 HP Cozy is around 230 sq inches. He felt that a reduction of around 40
or 50 in blade area without changing prop length or pitch would give me an
extra 200 static engine rpm while hardly impacting max cruise.

I think this prop was less pitch & blade area than your to begin with. I
should have it back in a week or two. It would be very interesting to try it
on your plane and see what rpm you get.
Regards,
John


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