From: Sky2high@aol.com
Message-ID: <19476f2.243c4746@aol.com>
Date: Wed, 7 Apr 1999 01:29:42 EDT
Subject: LNC2 Foward Hinged Canopy Carbon Reinforcement
To: lancair.list@olsusa.com
Reply-To: Sky2high@aol.com
Mime-Version: 1.0

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Hollis,

Sorry, sometimes I've got to get up and go to the other side of the desk to 
read what I wrote as though I was a new reader.

The 1/4 inch foam and several carbon layers were added on top of the plan's 
foam and BID schedule.  This stiffener may be useful during flight, as is the 
over-the-longeron inside lip, since the outside low pressure is trying to 
suck the canopy off and to distort any part of the canopy that it can.

It seems to me that high speed cruise balloons the canopy sufficiently to 
shorten it (1/8 to 3/16 inch).  This makes the 1/4 inch seal between the 
rollovers open up in flight.  Of course, my problem may be related to the 
fact I have the old 1/8 inch thick plexiglas while you more modern folks are 
using the thicker, stiffer 3/16 plexiglas.

Scott Krueger
N92EX

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