espuny(at)terra.com.br
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 Posted: Sun Jun 29, 2008 8:36 am Post subject: RES: [Spam] Filler |
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Hi,
I've been using a product from PACER glues, "FiberPoxi", code PT-45 for gluing and filling fiberglass, wood, etc for years very succesfully in scale air giant models that are sometimes more stressed than full scale airplanes , and has never been cracked .
Epoxies are heavy, but this one is a bit lighter, flexible and very resistant, has an usefull worktime of about 15 min, and can also be painted after sanded with a 400 sheet.
Itīs also cheap and can be found in most airmodel stores.
If you need more liquid epoxy for better penetration into little cracking, you can use the PT-40 , also light for an epoxy, commonly used for sheeting with fiber fabric, and has an usefull worktime of about half an hour. But it easily flows down if not contained (Newton's law, our common enemy).
I've also used this products on sanded aluminium and isopor for gap filling and further painting and it will last in place if the surface are not exposed to a considerable bend.
Francisco Espuny
De: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] Em nome de Bill Naumuk
Enviada em: domingo, 29 de junho de 2008 12:32
Para: zenith list
Assunto: [Spam] Filler
All-
I'm polishing 95%+ of my project, but don't see any way of making the top skin/tip fiberglass rib juncture look good without a bit of filler and paint. Not because of gaps, but "Crinkles".I've decided to paint just the nose skin and tips of the outboards and stab.
I've seen projects that used regular Bondo and the damned stuff cracks and comes out. Fiberfil sticks great, but you can't work it like Bondo. I'm afraid of grinding off aluminum trying to smooth out the Fiberfil.
Any alternatives, or should I just haul my outboards and stab to a paint shop and let them deal with it? Not that that's a guarantee- I remember a posting many moons ago where a paint shop ground off the tops of the rivets while painting.
Bill Naumuk
Townville, Pa.
HDS Systems/Corvair 90%
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Atualizado em 28/06/2008
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