indigoonlatigo(at)msn.com
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 Posted: Sat Jan 09, 2010 6:46 pm Post subject: Loehle Wonderfil and Poly Fiber Smooth and Prime, No Bonding |
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I had built up my cowl the old fashioned way with epoxy and microballoons and sanded it level with a profiling bar. This took a lot of work as there are not pinholes in the cowl there are meteor impacks and craters in the center of each Nomex honey comb cell. In the areas where there is no sandwitch core material on the cowl C I filled the pinholes with Loehle Wonderfil. I also opted to do a one over the entire surface with the wonderfil the micro.
I asked the nice lady C Sandy C at Loehle whether my remaining half gallon of UV Smooth and Prime would conflict with Wonderfil C because I had a half gallon left over from the cabin top and the windshield fairing(Which it worked wonderfully and bonds like gainbusters). I never used the Wonderfil in the cabin top or windshield faring. Sandy said that is what many guys do. The answer was no known conflict.
The Loehle manual says that no sanding is needed post Wonderfil whipe off. I srayed my UV smooth and Prime today C two light coats. When I started sanding it was obvious the two material did not bond. Pieces of UV S&P flaked off. I guess I am the lucky one who found it...difficult to believe I am so fortunate.
Just to confirm C I scratched the Smooth and Prime so the underlying structure was visible and then applied a strong stream of air from the compressor and watched the Smooth and Prime flake off the Cowl.
I think my arms are going to fall off tomorrow. The joy is in the journey! Hummm?
John Gonzalez
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