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Mike is right, except you won't necessarily need a hot day, just a little time. Support the body along the hidden edges of the openings to avoid distortion.
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I had the same problem with my Allied body, It suppose to lay on & be attached to a OEM cobra chassis and glassed around the tubes. That's kinda tough to do so what i did was hand form aluminum jams, hood/doors/trunk/rockers and epoxied the aluminum to the glass body hammered /formed then riveted the aluminum to the birdcage chassis just like AC cars did on the original cobra. Kinda throws a curve at the people that checking a parked cobra for a riveted body. I'll get a few pics..
Mike http://www.clubcobra.com/photopost/d.../PICT00024.jpg http://www.clubcobra.com/photopost/d.../PICT00066.jpg |
Mount
Allied
I like that idea..looks good |
Sag?
Sag?:eek: , the body is resting on the framework at the front of the hood, rear of the hood, around the cockpit, at the top of the trunk, and along the valleys in the body. The pads in question will have negative pressure pulling the body into the frame, not resting on them. I'm more worried about pulling them off the body. plan is to paint the body with black primer and roll whole car out in the hot Aug. sun and bake before doing the final body work to cure and settle.
Though I like the aluminum edge fake out thats got to keep them guessing. My body has to be removable I don't think I could pull the engine without cutting it up. So to be safe I can't permanently attach it. Patrick |
Steel and glass expand/contract at different rates, any pulling/pushing forces are going to result with "ghosting" of those brackets thu the body. Better to design a thu bolt system thu the opening flanges around the hood/doors/trunk.Hate to have to say "We told you so " after you put a paint job on it next summer.
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I'm afraid Mr. B is correct. Most of the experienced mfgs bond long 90-degree glass panels to the underside of the bodies and bolt through those. Some have extended hood, trunk, and door jambs that they bolt through.
Or you could take the FFR approach and just drill right through the body:confused: . Brian |
Also, don't forget that you are going to have some through-body brackets later - door strickers, bumper/quick jacks, etc,. that will add to the mounting strength indirectly.
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Well I managed to get a couple more panels finished for the rear of my scratch build, and it's starting to look like something. Now I think I'm getting the hang of this stuff and just to show how and what you have to do sometime.
The mold http://www.ffcobra.com/photopost/dat...010_Small_.JPG The business side is covered with the wounder material ductape. The layup http://www.ffcobra.com/photopost/dat...014_Small_.JPG Now prying this off the mold was a PITA but it's a weird shape. Trimmed and refit http://www.ffcobra.com/photopost/dat...016_Small_.JPG It fit back easier after trimming With friends http://www.ffcobra.com/photopost/dat...015_Small_.JPG Now it looks like progress. I think I will work on the trunk next, until later see ya. Patrick |
RED GREEN would be proud
Hey, check out my new duct tape trunk!
http://www.clubcobra.com/photopost/d...022_Small_.JPG Naw, It's just the next mold for my glass Odyssey. http://www.clubcobra.com/photopost/d...018_Small_.JPG http://www.clubcobra.com/photopost/d...017_Small_.JPG Now with a little luck I'll has pieces by Sun. eve; Patrick |
Largest layup to date, today I successfully laid up the trunk for my car and now the shop has to vacated for a while to vent fumes. About 1.5gal of resin and a s*#t-load of mat later this is what I have.
http://www.clubcobra.com/photopost/d...023_Small_.JPG http://www.clubcobra.com/photopost/d...024_Small_.JPG http://www.clubcobra.com/photopost/d...026_Small_.JPG **)Patrick |
Looking good P!
I love the smell of fresh resin in the morning! |
Patrick,
I saw your trunk lay up and photo with the duct tape. You might want to try (campaign signs) for one off or fabs like you are doing. Those VOTE FOR signs are a type of plastic and about 0.060" thick, resign won't stick to them and in sizes up to 4 x 8 foot sheets. The ink or printing on them may run a bit but black pigment in the resign of last layer fixes that. Use a pneumatic nibbler or tin snips to cut patterns with ease. I guess you could buy at a sign shop but I have a pile collected a while ago after the elections stashed. My last fab secret I am willing to leak is to try a hot glue gun to build the patterns too. Good luck and have fun ........... PS don't tell anybody my tricks one off fabs |
Ya, I have some of those and use them when I can but some of the curves I working against don't like their corrugated nature. the duct-tape works well for that, but cleanup is a mess.
Patrick |
Patrick,
Your mention of the corrugation is right on but those are like 3/16" thick, there are pure plastic (of some type) material signs that are much thinner and thus easy to do smooth cures with. In spots you need to use tape or whatever works try spraying surface with PVA or polyvinyl acetate. PVA is water soluble so clean up is easy or hit it with high pressure air gun (but that makes shop clean up instead of object clean up). Have fun |
Hey, everything worked well and I now have a trunk. pieces all trimmed and refit. now I knew I would have to cut it in half to get it to work but I will fasten them together during final assembly.
http://www.clubcobra.com/photopost/d...029_Small_.JPG http://www.clubcobra.com/photopost/d...030_Small_.JPG http://www.clubcobra.com/photopost/d...032_Small_.JPG http://www.clubcobra.com/photopost/d...033_Small_.JPG Now to move forward. rear cockpit wall, tunnel, and custom dash are left. Lurkers, I know this thread gets lots of traffic, so speak up good or bad I would love to have your opinions. Plus I don't get out to much so this is as close to contact as I get sometimes:JEKYLHYDE; Patrick |
Patrick, I am following your build and getting more ideas for my build. Have the front suspension mounted (tacked ) and am starting the rear brackets in the morning, will try posting some pics tomorrow. Your work is awsome. Carl.
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http://i182.photobucket.com/albums/x...cornsmiley.gif
like to see some body work... |
Quote:
Jay |
Carl's build
Quote:
did you get those pictures? how about starting a "Carl's build thread"? |
It's great to see Joey and Carl getting started on their builds, I don't feel so alone here. Well one more panel done. Rear cockpit firewall,
http://www.clubcobra.com/photopost/d...036_Small_.JPG http://www.clubcobra.com/photopost/d...039_Small_.JPG http://www.clubcobra.com/photopost/d...038_Small_.JPG Now I have some artistic carving to do, the tunnel and dash are next this is where things are going to slow down a bit. Patrick |
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