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  #1  
Old 05-29-2017, 07:03 PM
Rob H Rob H is offline
 
Join Date: Jan 2016
Location: Knoxville, IL
Posts: 50
Default Wingtip epoxy

For all of you RV12 builders, I'm working on the fiberglass extension that holds the wingtip strobe/light. It calls for epoxy and flox to build up the area where it seats against the outer flange rib.
Also, in a later step, I need to put proseal under the inner side to seal to the skin.
What specific products are recommended and where do I order from?
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  #2  
Old 05-29-2017, 07:45 PM
rockwoodrv9 rockwoodrv9 is offline
 
Join Date: Dec 2011
Location: Meridian ID, Aspen CO
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Rob,
I believe most use West Systems. If there is a West Marine near you, you can just pick it up. If not Aircraft Spruce has it for reasonable price. That is what I used on my 9A but model doesn't matter as far as epoxy goes. Im sure others work, but I know West Systems does. They have great instructions and videos.

Find a friend that has built boats or surfboards and get them to give you a few pointers. It is not as bad as people think, but there are tricks to make things easier.

Have fun.
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  #3  
Old 05-29-2017, 08:47 PM
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rongawer rongawer is offline
 
Join Date: Dec 2007
Location: Brentwood, CA
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Quote:
Originally Posted by Rob H View Post
For all of you RV12 builders, I'm working on the fiberglass extension that holds the wingtip strobe/light. It calls for epoxy and flox to build up the area where it seats against the outer flange rib.
Also, in a later step, I need to put proseal under the inner side to seal to the skin.
What specific products are recommended and where do I order from?
I second using West Systems for the epoxy. You can get that from ACS, along with cotton filler, but you can also buy it from Amazon. For around the edges, all it really requires is an adhesive sealer. Van's recommend pro-seal because, and I quote, "we have a lot of it laying around here" - but any good, paintable sealant will work. I recommend DAP Dyanflex 230. It's about $4 from your local hardware store in a large tube, is paintable, and works very well; with the added advantage that you can remove it if ever needed to. An occupational hazard of mine is that I'm always thinking "how will I work on that?". The Dynaflex can be removed with Lift-Off pretty easily; Pro-Seal? not so much...
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- RV-12 N975G, SN 120840, Build in progress...finally on the finishing kit, so, something like 90% done and 90% left to go.
- 1975 B58 Baron, N1975G (a bottomless money pit that makes building an RV look like lunch money, but it's a great airplane, hauls the family and my wife likes two engines...go figure)
- 1961 A33 Debonair, N433JC (R.I.P.)
- RV7A; didn't finish it and donated to kid's club
- Zenith CH601XL; flying somewhere in Louisiana https://youtu.be/wa_Y_A_rP_8

Last edited by rongawer : 05-29-2017 at 08:51 PM.
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  #4  
Old 05-30-2017, 11:12 AM
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kevinl4000 kevinl4000 is offline
 
Join Date: Dec 2011
Location: Sacramento
Posts: 56
Default Wing Tip Extensions

I went to Home Depot for two-part epoxy, but I think they have it at Wal-Mart as well. If you use their stuff you have only minutes to spread the stuff on and fit the extension. I did one wing at a time You can read my write-up on installing the wing tip extensions here: http://kevinsrv12build.blogspot.com/...ip-lights.html
Good luck!
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  #5  
Old 05-30-2017, 03:59 PM
Azjulian Azjulian is offline
 
Join Date: Dec 2015
Location: Scottsdale, Arizona
Posts: 69
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The fiberglass resins available in lots of different places are essentially all suitable for the job. The advantage with west is that it meters precise amounts and it's very easy to store and instantly use. Once I started using it I would never use anything different
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  #6  
Old 05-30-2017, 06:36 PM
Rob H Rob H is offline
 
Join Date: Jan 2016
Location: Knoxville, IL
Posts: 50
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Thanks for the help!
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