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Post  Cribbs74 Mon Apr 21, 2014 11:24 pm

I had an issue with the old Ringmaster and I removed the ultracote covering from the bottom side of the wing.

I didn't have any more ultracote so I used monokote to recover. I sealed all the edges over the ultracote and then shrunk it tight. It appeared to work fine however. While flying the whole thing tore off in the air.

So are these coverings incompatible?


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Post  roddie Tue Apr 22, 2014 1:00 am

Apparently they stick and shrink at different temperatures Ron. Monokote has a higher temp range/tolerance. There's mixed opinions on compatibility between the two..from the little I've read. I've only used Monokote.. but I do have some "Towerkote" that I haven't worked with yet.. and now I'm curious if it's properties are more like Ultra or of Mono.
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Post  RknRusty Tue Apr 22, 2014 1:53 am

I have never tried mixing them. The materials are different, Ultracote being polyester and Monokote being vinyl. I would have thought the glue on either one would stick to the surface of the other, as long as it had been cleaned of oil with acetone.

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Post  Ken Cook Tue Apr 22, 2014 4:40 am

Ron, I've experienced the same thing. Ultracote and other low temp films in my experience don't go together well. Monokote requires almost twice the heat to install. Roddie, I've used Towercote. While it applies nicely, it sags badly in the slightest sun. It's not fuel proof as the fuel creeps under the seams melting away the color on the film backing leaving you with a real mess. It was designed for foam. It doesn't work well on that either. The color will embed itself in spots on the wood never to be removed. Ken
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