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Jul 01, 2011, 09:23 PM
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john_53_70's Avatar
Help!

How do I cover a epo plane in fiberglass


How do I cover a epo plane in fiberglass I don't mind adding a little weight, but what kind of fiberglass and epox do I use, and where is the best place to get the stuff to do it
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Jul 01, 2011, 09:29 PM
Proud member of LISF and ESL
First question is why are you doing this? What is the outcome you expect by covering the foam with glass?

Rigid?
smooth?
better paint surface?

Why?

That will help determine what you need.
Jul 01, 2011, 10:20 PM
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john_53_70's Avatar
well I have a epo plane I crashed and its not to bad the idea is to fiberglass it paint it and then fly it thats option one secound on is to make it a pluge for a mold i kinda like the secound idea the best, so make a good smooth surface
Jul 02, 2011, 04:11 AM
Proud member of LISF and ESL
I am not a master of glassing EPO foam, but I would use 3/4 ounce fiberglass cloth and finsihing epoxy to do the job if you plan to fly it. That will keep the weight down.

Finishing epoxy. Made for glassing and smooth finish rather than as a strong adheasive.
http://www3.towerhobbies.com/cgi-bin...?&I=LXK304&P=7

If you don't plan to fly it, then use 2 oz cloth to make it more rigid for use as a plug. Weight won't be a factor here.
Jul 11, 2011, 04:42 PM
Registered User
Use water based poly urathane and 1/2 to 3/4oz cloth. paint on ploy. lay on cloth, paint on more poly to saturate and smooth out. Water will evaporate and you will ave a nice strong finish. I do all my foamies this way.
Jul 11, 2011, 05:45 PM
Registered User
MS_in_NY's Avatar
I get my glass here...

http://www.thayercraft.com/index.htm

...and epoxy resin here...

http://www.clcboats.com/index.php

I've had good luck with the MAS resin and slow hardener. Very thin, long pot life, applies easily with a brush or foam trim roller. The foam roller works better than a brush for wetting out cloth to a consistant saturation and minimizes the need to blot up excess resin.

.......Mike
Jul 11, 2011, 09:59 PM
Proud member of LISF and ESL
Since the underlying structure is flexible foam you may need something thicker than 3/4 oz cloth or it may tend to crack. You may need 2 or three layers of 3/4, probably set on a bias. Not sure how it will hold up with that flexy under structure.


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