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From: "JJ JOHNSON" <JJJOHNSON@ACCESSCOMM.CA>
To: <lancair.list@olsusa.com>
References: <20020326062053.AAA25724@pop3.olsusa.com> <006d01c1d4e4$c99ff560$d46eaccf@OFFICE>
Subject: 2 blade vers 3 blade
Date: Tue, 26 Mar 2002 18:52:46 -0600
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          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
          <<  Lancair Builders' Mail List  >>
          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> 
>>
> The part of the prop that is LEAST EFFECIENT at producing thrust is the
tip.
> Since a 3 blade has 50% more tip than a two, 
<SNIP>

Bill, I'm a  new-bee on the list..just signed up today. Just wanted to ask
you about 2 bld verses 3 bld props.. even though the there is an extra
tip/blade involved wouldn't the fact that the blade length is slightly
shorter and therefore moving slower creating less noise.. and a better tip
efficency level than a two blade prop?   Another question for those on the
list, is there anyone here from Western Canada [Alberta, Sask, Manitoba]??

Thanks much..

Jarrett Johnson
jjjohnson@accesscomm.ca





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