Anyone know anything about C/F?, I'm going to build a C/F targa top. |
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Anyone know anything about C/F?, I'm going to build a C/F targa top. |
Borderline |
May 6 2010, 05:48 PM
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Senior Member Group: Members Posts: 720 Joined: 8-February 05 From: San Juan Bautista, CA Member No.: 3,577 Region Association: Northern California |
As I have a better understanding of how flexible the 914 is, I'm planning on building a C/F targa top and rigidly mounting it to the chassis. My question is: how many layers do you think I need to get a reasonable amount of structural stiffness. I've ordered some 7oz plain weave that is about .015" thick. Right now I'm thinking of 5 layers: 3 layers with the weave aligned with the sides and 2 layers with the weave at a 45* angle, alternating layers. This should yield a thickness of over .075" which I would think would be a good start. As this is my first attempt at C/F and wanting to achieve strength and stiffness, I would like some advice from someone with C/F experience.....
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Borderline |
May 7 2010, 10:04 AM
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#2
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Senior Member Group: Members Posts: 720 Joined: 8-February 05 From: San Juan Bautista, CA Member No.: 3,577 Region Association: Northern California |
I'm planning to bond the new C/F top to the windshield frame and roll hoop with epoxy and back it up with a few pop rivets. Then as the surface area on the top windshield frame is pretty small, I'll add a couple strips of f/g to the bottom side of the flange. I will eventually paint it, but will wait a while and let the resin cure fully. My front and rear deck lids were painted too soon and now you can see the cloth weave in the paint. I believe this to be from the epoxy resin curing and shrinking over time.
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