Mailing List lml@lancaironline.net Message #61831
From: Lancair <lancair-esp@ustek.com>
Sender: <marv@lancaironline.net>
Subject: RE: [LML] Re: Harry League & Pat Franzen fatal IVPT accident4/23/2012
Date: Thu, 03 May 2012 08:28:12 -0400
To: <lml@lancaironline.net>
I installed the A/C for my ES-P by cutting three smaller holes trailing
aft and bonded a plenum over them for better airflow and strength.
Photo attached.

Robert M. Simon
ES-P N301ES -----Original Message-----
From: Dr. Weinsweig [mailto:weinsweigd@tsnci.com] Charlie, I agree that it must seem obvious to anyone who has been
involved in building a IV that the area of the fuselage behind the gear
doors where the A/C holes that you reference are made has to be the
weakest area of the fuselage.  We installed Mike Custard's vertical fin
extension to give better yaw stability(in addition to the strakes) on my
propjet and unscientifically to my eye, this seems to beef up this area
though from the top rather than the underside.  If any structural
testing takes place I think that this modification should also be tested
to see if it helps. Thoughts?
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