Mailing List lml@lancaironline.net Message #16929
From: <Sky2high@aol.com>
Sender: Marvin Kaye <marv@lancaironline.net>
Subject: Re: [LML] Re: Scimitar Prop vs. Original Hartzell Prop - Comparison
Date: Sun, 29 Dec 2002 09:43:00 -0500
To: <lml>
In a message dated 12/28/2002 7:47:19 PM Central Standard Time, marv@lancaironline.net writes:

The increase from 195 to 208 suggests an improvement in prop efficiency on
the order of 20% or so.
 
If the old prop was a miserable 85% (it should be in the 87 to 91 range)
then the new prop would be up around 102% or so in efficiency.


(208-195)/195=.103 or about a 10% improvement

I've been told that props are usually 80% efficient - a 10% improvement would bring that to 88% efficient.

Grayhawk
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