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teamgrumman(at)yahoo.com
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 Posted: Mon Jun 06, 2011 11:03 am Post subject: Jaguar Cowling installation questions Part 4 - small epoxy r |
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Boris, if you could, would you please send to the TeamGrumman-List when you ask a question? There are a lot of people anxious to hear how it's going.
Enlarged holes are a problem. That is primarily why I suggest clamping everything in place first. The problem with the clamps is they tend to move anyway. I always start with the bottom holes first. Then, if one or more gets elongated during the fitting process, it isn't visible.
To answer your question, we use Pro-Set 125/229 and 7725 cloth. Repair techniques for fiberglass, in general, are pretty much the same. Relieve the area adjacent to the holes and build up the area with glass and epoxy. When cured, sand to the correct height.
All of the filler material in the cowling is micro-beads. Micro beads are typically used in the corners where it's difficult to get the glass to conform to the corner. For small repairs on the flat surfaces, you can use any light weight filler. Spot putty any pin holes. I prime with 6 coats of K-36, thinned 20%. K-36 is a high build urethane primer. Block sand the first time with 120. Prime again with one or 2 coats as needed. Block sand with 320.
Gary
PS, if you are not on TeamGrumman-List, go to my web site, click on the TeamGrumman Logo, scroll down and follow the instructions.
From: b v <bvnj(at)yahoo.com>
To: teamgrumman(at)yahoo.com; Phil Kelsey <Phil(at)ReliantAir.com>; Dave Steward <dave(at)hondahaven.com>; n76lima(at)mindspring.com
Cc: Barry Schulte <flyadive(at)gmail.com>
Sent: Mon, June 6, 2011 10:33:50 AM
Subject: Jaguar Cowling installation questions Part 4 - small epoxy repairs
Hi Gary,
the cowl fitting process is going very nicely, thank you. While fitting the cowl, I had to make a couple of holes larger than they have to be. They probably could be left as is, but a perfectionist in me would like to fill them up and then back drill them correctly.
I wonder if you or David could give some instructions regarding epoxy (and gel coat) repair, especially what materials to use.
May I use this epoxy left from my boat repairs? - http://www.westsystem.com/ss/105-epoxy-resin/ . I don't have any filler though. What would be the correct filler? : http://www.westsystem.com/ss/fillers.
Thank you,
-Boris
[quote][b]
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Mon Jun 06, 2011 11:43 am Post subject: Jaguar Cowling installation questions Part 4 - small epoxy r |
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Boris:
EPOXY 105 ... NO... Too soft and no strength.
Get the GRAY stuff you see on the counter tops at automotive parts stores.
I'm not at home base so I do not have the name... I'll get back to you.
Barry
On Mon, Jun 6, 2011 at 1:33 PM, b v <bvnj(at)yahoo.com (bvnj(at)yahoo.com)> wrote:
[quote]Hi Gary,
the cowl fitting process is going very nicely, thank you. While fitting the cowl, I had to make a couple of holes larger than they have to be. They probably could be left as is, but a perfectionist in me would like to fill them up and then back drill them correctly.
I wonder if you or David could give some instructions regarding epoxy (and gel coat) repair, especially what materials to use.
May I use this epoxy left from my boat repairs? - http://www.westsystem.com/ss/105-epoxy-resin/ . I don't have any filler though. What would be the correct filler? : http://www.westsystem.com/ss/fillers.
Thank you,
-Boris
[b]
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