Subject: Help for windshields
From: Rotary Engine
Date: 2/2/2011, 7:32 PM
To: AAA Put this in the To box


 Does anybody know of a company that builds
 windshields for experimental aircraft?

 Paul Lamar


 This is the guy I used in Grass Valley Ca.
 Ray Poquette 530-272-2556
 www.thermotecusa.com <http://www.thermotecusa.com/

 Him and one other company advertise in the back of Sport Aviation.

 I used my mold, which I learned was a very hard thing to make right.
 Took three tries before I got
 a windshield you could see through with out getting sea sick.

 Mark K
 MSK6 20B

 What was the problem with your mold Mark?
 I may have to build a mold unless I can find the people
 that made KIS Cruiser windshields in the first place.


 Paul Lamar


 --
 I had started with the part that I had cut out of the original piece of
 fuselage which was a couple of layers of 7781 and epoxy resin over the
 foam blocks I had sanded to shape. That mold literally collapsed when
 the hot plastic touched it. You need to use a high temp polyester resin
 and lay it up about 1/4 thick. The mold also needs to be a constant
 thickness apparently or the plastic cools at a different rate and messed
 up the optics. The third try was just refining the shape, smooth was not
 good enough, having a constant radius and such was important. If you can
 avoid making a mold I would, or maybe someone out there knows a better
 way to do it. This was my first try.

 Mark K
 MSK6 20B

 That is a male plug mold. Is that what they wanted?

 That looks exactly like a cruiser wind shield.

 Paul Lamar

He had a couple other molds in his shop that were also male mold. I
didn't see any female molds but I never asked.

Mark K
-- 
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