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  #1  
Old 06-18-2017, 11:55 AM
AviatorJ AviatorJ is offline
 
Join Date: Feb 2015
Location: Oklahoma City
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Default Finishing External Window Edges

I plan to have Grady at GLO Customs paint the 10 sometime after I complete Phase 1. Last I talked to him he was a good year out on scheduling so will all depend on openings. So it's feasible that I'll be flying around a good half year before getting in there.

Last I talked to him he suggested I finish the transparencies edges with glass and micro over to try and prevent cracking down the line. I did that but not overly excited about the way the edges turned out. Here's an example-



Is this something that will get 'fixed' in paint with some primer and top coat, or will I end up with the same look just painted.

I had an EAA Tech Counselor visit on Friday and one of them (A&P/IA) who works on big planes said they have some pneumatic tool that can apply a 1/2 or so strip of proseal. The idea would be to go about 1/4" up I suppose on the windscreen and have a clean line showing and then paint over that.

Ideas? Thanks!
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  #2  
Old 06-18-2017, 04:21 PM
BobTurner BobTurner is offline
 
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I think you want to put down a layer of plastic electrical tape on the plexi, snug against the fiber glass. Then sand the fiberglass edge until flush with the tape. Apply a layer of thinned epoxy to make it all smooth, sand again. Remove the tape. Your painter should be happy with that.
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  #3  
Old 06-18-2017, 06:29 PM
AviatorJ AviatorJ is offline
 
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What would be thin it with?
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  #4  
Old 06-18-2017, 06:32 PM
BobTurner BobTurner is offline
 
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Quote:
Originally Posted by AviatorJ View Post
What would be thin it with?
Usually thin epoxy with acetone. You want a thin paint-like viscosity.
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  #5  
Old 06-18-2017, 08:18 PM
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bruceh bruceh is offline
 
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Location: Ramona, CA
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Get some "pipe tape" at your local big box home improvement center store. It is a bit thicker (20 mils) than electrical tape and you can sand right down on top of it with no problem to get a nice edge.



My painter (after painting the canopy frame) used some black silicon sealant as a fillet along the edges of the fiberglass where it meets the plexiglass. It is probably around 1/16" wide at most, but it looks great and keeps the edge of the paint from chipping.
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  #6  
Old 06-20-2017, 06:52 PM
AviatorJ AviatorJ is offline
 
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I retaped the windows around the plane and used some thin epoxy and just went around all the edges with a spreader. I didn't thin it with Acetone, instead I used some really hot water and dipped my mix cup in there which seemed to thin it out fairly well. When it cures I'll sand it and remove the tape.

Thanks for the advice!
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  #7  
Old 06-21-2017, 07:18 AM
fixnflyguy fixnflyguy is offline
 
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Default I used Proseal

I work in the "big plane" industry, and as another post mentioned, I used Proseal..my favorite stuff for everything. It will adhere to anything, is flexible, and paintable. I applied it around my -4 canopy by using fineline tape and masking out about 1/16" from the aluminum edge ( I assembled my canopy with Proseal between metal and Plexi) , then brushed a thin line of Proseal along the masked area, and wiped smooth with my finger wetted with Acetone.
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  #8  
Old 06-21-2017, 08:14 AM
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Cbull Cbull is offline
 
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Here is what I did

http://www.vansairforce.com/communit...ighlight=cbull
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