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John Zabrocki (John_z)
Registered Member
Username: John_z

Post Number: 79
Registered: 9-2006
Posted From: 72.100.36.67

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Votes: 2 (Vote!)

Posted on Sunday, September 05, 2010 - 11:26 pm:   

Hi all. I am about to put a new piece of plexiglass in for my destination window. So i thought i would ask if anyone has an original glass one laying around? At first i thought i could go have one cut, but the dang thing is curved. Also, does anyone know where the rubber gasket is available from?
J.L.Vickers (Roadrunnertex)
Registered Member
Username: Roadrunnertex

Post Number: 83
Registered: 10-2006
Posted From: 76.6.65.212

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Votes: 0 (Vote!)

Posted on Monday, September 06, 2010 - 10:44 am:   

Call Luke at US Coach 888-262-2434 begin_of_the_skype_highlighting              888-262-2434      end_of_the_skype_highlighti ng
Gus Causbie (Gusc)
Registered Member
Username: Gusc

Post Number: 1213
Registered: 11-2005
Posted From: 12.189.32.37


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Posted on Monday, September 06, 2010 - 5:25 pm:   

John,

Be careful to allow for plenty of heat expansion between the gasket and plexiglas, that stuff really expands when hot and causes leaks when cold.

It must float in the gasket. If you use screws to hold it down the holes in the plx must be much larger than the screw.

Also, you can bend it pretty well using a regular old LP torch but very carefully!

The amount of bend you need probably won't need heat though, but it is easy to crack.

You probably know all this but I had to learn a lot of it the hard way installing plx in light aircraft!!
Jack Fids (Jack_fids)
Registered Member
Username: Jack_fids

Post Number: 136
Registered: 1-2009
Posted From: 69.171.160.24


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Posted on Tuesday, September 07, 2010 - 12:58 pm:   

THere should be plenty of FLEX in a 3/16th's piece of acrylic AND after a year or so of exposure to the sun & heat it will conform itself.
Oversized holes are REQUIRED if you are drilling it...and so is either a specially pointed drill bit or a very SLOW technique...otherwise you will crack or "star" the backside as you drill.
Leave the PAPER masking on until you are finished, IF you get material with a POLY masking on it you will need to apply masking tape on both sides of the holes IF you don't use the special bit FOR plexiglass.
Make sure your plastic is 1/16th-1/8th undersized for length or you will get "bowing" in direct sun or extreme heating conditions. FINE toothed blade for cutting, high speed if you use a "Sabre Saw" (up 7 down cutter) AND support the cutting area with a thick piece of Styrofoam, deeper the your cutting blade is long.
marvin pack (Gomer)
Registered Member
Username: Gomer

Post Number: 981
Registered: 3-2007
Posted From: 71.55.13.161


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Posted on Tuesday, September 07, 2010 - 4:39 pm:   

John, I think that the thickness is 1/4 inch and if you can get it, use lexan[?] They have dark tinted pieces and cut as said before, They make a plexi-glass knife type of cutter but I like the sabre saw better myself. SLOW AND EASY!! then lightly sand the edges so no burrs or rough places are there. Soap er up and install and ther ya have it.
Jack Fids (Jack_fids)
Registered Member
Username: Jack_fids

Post Number: 144
Registered: 1-2009
Posted From: 69.171.161.61


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Posted on Saturday, September 11, 2010 - 9:27 pm:   

Lexan=$$$ Polycarbonate, this substance appears to be a solid but it is something completely different....trapped between the 2 surface are zillions of gas bubbles and they work there way to the surface, put a decal on Lexan & in time it will bubble underneath. (like an Alka-Seltzer in a humid condition)

Plexi-Glas/Acrylite/Perspix $ = Acrylic, an inert plastic with less strength than Lexan BUT Lexan cannot be polished as clear because it's softer.

After a lot of years in that business, my recommendation stands,
use Acrylic....and nowadays, it only comes in METRIC (gag).
The piece in my marque was put there by the PO, and it was in good shape & only 1/8th in. material.....fwiw
John Zabrocki (John_z)
Registered Member
Username: John_z

Post Number: 81
Registered: 9-2006
Posted From: 75.221.203.7

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Votes: 0 (Vote!)

Posted on Sunday, September 12, 2010 - 9:55 pm:   

Thanks much for the help. This week i will try to pick up a piece and try to get that changed out.

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