Brian;
Do you know of a preferred way to get a new prop? Are there a better
source you might like to recommend or do you know oif any that are
available? Please let me know. I am in need of a new or used 60 x 68 or
more prop tunring 'SAE #1 like a continental.
Jim.
----- Original Message -----
From: "Brian Kraut" <brian.kr...@engalt.com>
To: "KRnet" <kr...@mylist.net>
Sent: Thursday, December 21, 2006 10:53 PM
Subject: RE: KR>Props
> Single blade props are also popular on models, particularly motorized
> sailplanes and indoor models where every bit of efficiency is needed.
>
> Don't have time to get into a debate on it, but all other things being
> equal, the less blades the more efficient. More blades come into play
> usually when there is a need to reduce diameter for clearance issues or to
> keep tip speed subsonic. Basically, there are some situations where more
> blades will give you a better combination of speed, economy, and/or climb,
> and situations where less blades will.
>
> Brian Kraut
> Engineering Alternatives, Inc.
> www.engalt.com
>
>
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