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Date: Fri, 06 Apr 2001 11:42:34 -0400
To: lancair.list@olsusa.com
From: Marvin Kaye <marvkaye@olsusa.com>
Subject: Re: LNC 2 C of G limits
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Reply-To: lancair.list@olsusa.com

          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
          <<  Lancair Builders' Mail List  >>
          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> 
>>
 >He originally told me that the C of G range was 11% to 29% of MAC.  Can
 >anyone help me to convert this to distance from datum, which for the sake of
 >argument we will take as the back edgeof the spinner.

Taking the back edge of the spinner as the datum may not necessarily give 
you the same CG measurements as another LNC2... the use of a different 
engine mount, prop extension, engine configuration, etc, all will change 
the location of the back of the spinner relative to the leading edge of the 
wing.  A more reasonable datum would be the front of the firewall bulkhead 
as its location is going to be pretty much the same from aircraft to 
aircraft (at least for the fast-builds, anyway).  This would make it much 
easier to compare CGs and would more likely insure that you're talking 
apples to apples.  Just a thought.

   <Marv>

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
LML website:   http://www.olsusa.com/Users/Mkaye/maillist.html
LML Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>