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#11
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Lightweight covering of 1/8 inch G1S plywood
The fiberglass being proposed for this is not the standard layup glass
used for normal layups. It is a very light weight (.5 oz) cloth that is often used in boat construction to cover and protect teak and other exposed wood. It is so thin and light that it becomes transparent. Orval Fairbairn wrote: In article , "Morgans" wrote: wrote in message ... Application is exterior on fuselage. Personally, I would go with the fiberglass and resin. Fabric and dope works, but glass should last forever. Oh, I've been told that the surface under the glass must be as smooth as the finish you want to achieve. Too heavy! Doped Ceconite (or Stits) essentially last forever, too, as long as you keep the bird hangared. And -- you can get a mirror finish, if you desire. The secret is lots of thin coats of dope, sanded between coats, then polished. -- Remove _'s from email address to talk to me. |
#12
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Lightweight covering of 1/8 inch G1S plywood
On Aug 5, 10:04*pm, "Morgans" wrote:
Rich Shankland's Emerald used glass, I believe. *Many Falcos go with glass. Thanks, Jim - but the Emeraude was covered (all surfaces) with 2.6 oz Dacron, sealed with Poly-brush, UV'd with Poly-spray, then color coated with Imron and the trim was clear coated. Since a good percent of the surface is plywood rather than open framework, I considered using 1.7 oz fabric on the ply. It would have made for a much more difficult job, with the extra seams and all; and wouldn't really have saved enough weight to go to the bother. Besides which, I'd rather have a seam on the leading edge, wrapped over the curve, doubled, and then taped. Using two weights of cloth would have meant an extra seam adjacent to the open bay and right out there in the airstream, trying to rip open. I expect it to last at least 30 years if I keep it hangared, at which time it should be removed to inspect the structure. I have seen picture of Emeraudes being recovered and the wood rot was enough to scare me. These were planes that spent their life outside - in England, no less. Because the Imron is not susceptible to solvents, as is a doped finish, I expect the removal of the old fabric will be more of a chore. Had I used fiberglass cloth and resin, it may have been impossible to remove without damaging the structure. When it's time to recover, whoever does the job (I don't expect to be doing such things when I'm 87) will probably be wishing I had used dope. Rich S. |
#13
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Lightweight covering of 1/8 inch G1S plywood
wrote Thanks, Jim - but the Emeraude was covered (all surfaces) with 2.6 oz Dacron, sealed with Poly-brush, UV'd with Poly-spray, then color coated with Imron and the trim was clear coated. Sorry about the false suggestion. It was another plane at Osh the year I saw yours that I was thinking of, I guess. -- Jim in NC |
#14
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Lightweight covering of 1/8 inch G1S plywood
On Wed, 6 Aug 2008 15:50:37 -0400, "Morgans"
wrote: wrote Thanks, Jim - but the Emeraude was covered (all surfaces) with 2.6 oz Dacron, sealed with Poly-brush, UV'd with Poly-spray, then color coated with Imron and the trim was clear coated. Sorry about the false suggestion. It was another plane at Osh the year I saw yours that I was thinking of, I guess. Tony Bingelis' Emeraude was covered with Model airplane glass |
#15
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Lightweight covering of 1/8 inch G1S plywood
"Ed Sullivan" wrote Tony Bingelis' Emeraude was covered with Model airplane glass I can't think of the guy's name, he passed a couple years ago, in his plane. It was a pink GP-4, named cotton candy, IIRC. Wasn't that one covered in model airplane glass, also? I will not put down fabric and dope for covering plywood planes, but the ones I have seen covered with light glass and resin are the slickest looking wood planes I have ever seen. They look like well constructed and faired fiberglass planes, with a mirror finish. Unbelievable, in my opinion. I'm convinced if I build a wood covered plane, that is the route I will go. -- Jim in NC |
#16
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Lightweight covering of 1/8 inch G1S plywood
In article ,
"Morgans" wrote: "Ed Sullivan" wrote Tony Bingelis' Emeraude was covered with Model airplane glass I can't think of the guy's name, he passed a couple years ago, in his plane. It was a pink GP-4, named cotton candy, IIRC. Wasn't that one covered in model airplane glass, also? I will not put down fabric and dope for covering plywood planes, but the ones I have seen covered with light glass and resin are the slickest looking wood planes I have ever seen. They look like well constructed and faired fiberglass planes, with a mirror finish. Unbelievable, in my opinion. I'm convinced if I build a wood covered plane, that is the route I will go. You ought to see my and Roy Foxworthy's Johnson Rockets, then. Plywood/ceconite/dope (all rubbed and polished) -- Remove _'s from email address to talk to me. |
#17
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Lightweight covering of 1/8 inch G1S plywood
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#18
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Lightweight covering of 1/8 inch G1S plywood
"Orval Fairbairn" wrote You ought to see my and Roy Foxworthy's Johnson Rockets, then. Plywood/ceconite/dope (all rubbed and polished) If I did, what would I observe? -- Jim in NC |
#19
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Lightweight covering of 1/8 inch G1S plywood
In article ,
"Morgans" wrote: "Orval Fairbairn" wrote You ought to see my and Roy Foxworthy's Johnson Rockets, then. Plywood/ceconite/dope (all rubbed and polished) If I did, what would I observe? A finish that competes with the heavier glass/epoxy you recommend. -- Remove _'s from email address to talk to me. |
#20
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Lightweight covering of 1/8 inch G1S plywood
"Morgans" wrote I can't think of the guy's name, he passed a couple years ago, in his plane. It was a pink GP-4, named cotton candy, IIRC. It ws Jackie Yoder. He died in May 2002 flying Cotton Candy. It doesn't seem like 6 years ago. His brother was with him and died in the crash also. Jack was a great guy. Funny you should mention him, I was thinking about him last Friday while watching departures from Homebuilt Headquarters. I don't know if the plane was covered with glass, but it was a nice aircraft. There is an article in the SA archives about it. I will not put down fabric and dope for covering plywood planes, but the ones I have seen covered with light glass and resin are the slickest looking wood planes I have ever seen. They look like well constructed and faired fiberglass planes, with a mirror finish. Unbelievable, in my opinion. I'm convinced if I build a wood covered plane, that is the route I will go. I agree. The glass cloth eliminates the need for aluminum bearing paint ( poly spray)to protect dacron from UV. Tom |
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