Rubin

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4 years 3 weeks ago #21969 by MikeSeale
Replied by MikeSeale on topic Rubin
Got to work on the wings today. Vacuum bagging produces very straight wing...much better than pressing or just using weights. Also made the wing tips and cut the holes for servo leads
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4 years 3 weeks ago #21970 by MikeSeale
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The following user(s) said Thank You: Major249

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4 years 2 weeks ago - 4 years 2 weeks ago #21971 by 4Pedalsfly
Replied by 4Pedalsfly on topic Rubin
Neat boring jig Mike - designed by " Grommet " ? - presume same jig used for boring
wing tube holes.

Colin
Last edit: 4 years 2 weeks ago by 4Pedalsfly.

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4 years 2 weeks ago #21975 by John Bannister
Replied by John Bannister on topic Rubin
Definitely not Grommets work edges not planed and sanded and upright not jointed into base.
Nice work Mike where did you get the vacuum bag was it easy to get the wrinkles out I got in a hell of a mess trying to do that with a fiber glass wing.

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4 years 2 weeks ago #21976 by MikeSeale
Replied by MikeSeale on topic Rubin
I put the wing and the offcuts in the bag. The vacuum just adds equal pressure all over so wrinkles are not an issue. If you bag straight onto foam you need to use a mylar (or similar) semi-rigid skin so that wrinkles do not transfer to the glass surface.

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4 years 2 weeks ago #21977 by MikeSeale
Replied by MikeSeale on topic Rubin
...and bagging glass straight onto white foam is never going to work because the surface finish will always be non-uniform. I've bagged straight onto blue foam with good results in the past.

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