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General control line discussion => Open Forum => Topic started by: Mike Griffin on December 30, 2023, 01:22:15 PM
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I also posted this in paint and finishing but wanted to make sure I got the topic covered.
I have been covering with polyspan for years and never had his happen. I made sure the slick/shiney side was up when I covered the wing. I filled it with dope and filled it as always. Did not have any fuzzies at all. When I have the covering filled adequately with dope, I put it on the paint stand and sprayed on a light coat of Klass Kote white and had fuzzies appearing everywhere. I think my only solution at this point is when the paint is dry, to wet sand with a fine grit paper. I have never had to do this so my question is what grit should I use to wet sand, 1000, 1500, 2000???
Thanks
Mike
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I's let it dry for five days then start with the 1000 and go from there. Can you say RPITA? LL~ LL~
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I's let it dry for five days then start with the 1000 and go from there. Can you say RPITA? LL~ LL~
Yeah Ty it sure is. Have no idea why this happened but I screwed something up somewhere along the line. Thank you.
Mike
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My first thought is that you wiped the plane a rag that left lint on the surface. I don’t think the Polyspan is the problem
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My first thought is that you wiped the plane a rag that left lint on the surface. I don’t think the Polyspan is the problem
Dan I guess that is possible. I used a tack cloth initially, then a damp, not wet, micro fiber cloth after that and then just let it air dry before I applied the paint. I will try and wet sand it out but I will have to be very careful because every cap strip was affected.
Right now I am just trying to determine the best way to fix it or just let it go and not worry about it. I think the only option I have at this point would be to wet sand it with fine grade sandpaper, somewhere between 1000 to 2000 grit, I know one thing, it is going to be a lot of work and for a small profile, I do not know if it will be worth the time and effort.
Mike
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Being a small profile, if it bothers you so much, maybe just pull it off and try again?
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Funny you should ask. I had the exact thing happen about 4 years ago in my pre monokote days with a microfiber rag. They catch on every little thing instead of smoothing them out. Last time I polyspanned I lightly dry sanded it with 1000 BEFORE the first coat. Them little whiskers stand up when heated.
Ken
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Dan I guess that is possible. I used a tack cloth initially, then a damp, not wet, micro fiber cloth after that and then just let it air dry before I applied the paint. I will try and wet sand it out but I will have to be very careful because every cap strip was affected.
Right now I am just trying to determine the best way to fix it or just let it go and not worry about it. I think the only option I have at this point would be to wet sand it with fine grade sandpaper, somewhere between 1000 to 2000 grit, I know one thing, it is going to be a lot of work and for a small profile, I do not know if it will be worth the time and effort.
Mike
Tack rag is the last step before product.
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Probably fly better with fuzzy wings.
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I solved the problem. I wet sanded lightly with 400 grit. Then went back over it and wet sanded it again with 1500 grit. Took all the fuzzies away and now I can proceed with the Klass Kote.
Mike