Skinning project went a bit wrong!


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Credostar
Credostar
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Hi!

A few months ago I've done a project and skinned some plastic parts from under the hood, engine area.

http://www.talkcomposites.com/Uploads/Images/1bcbb114-fc33-411e-bbda-8b39.JPG

I've followed all the instructions but for me the basecoat didn't work at all and it didn't keep the CF fabric on the part at all. As I was applying the resin, the CF just came off from the plastic and the final part doesn't have all the nice lines. My first and only project as I saw that it didn't work on any of the 3 items that I've skinned.

I'm attaching some pictures with how my items ended up from my project:

http://www.talkcomposites.com/Uploads/Images/37967fe8-4e24-46c2-a6c8-2365.JPG http://www.talkcomposites.com/Uploads/Images/1ea5ac7b-ed16-48f3-a787-16d2.JPG http://www.talkcomposites.com/Uploads/Images/395dcf17-697e-45b3-8332-0a2b.JPG

 http://www.talkcomposites.com/Uploads/Images/cf1d180a-e31f-492e-bd29-eda0.JPG http://www.talkcomposites.com/Uploads/Images/5c6201df-6cbd-42ba-8834-44f2.JPG

And the professional items should look something like this:

http://www.talkcomposites.com/Uploads/Images/54215180-b411-4c6c-9769-219a.jpg http://www.talkcomposites.com/Uploads/Images/08869e36-2266-4ada-bdc5-d4a7.jpg

Any idea why the why the CF fabric didn't stick completely on to the plastic and came off as I was applying the resin, why didn't the basecoat hold it proper? Should I have left the CF fabric on to the base coat longer to glue proper?



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Hanaldo
Hanaldo
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I'd say the basecoat was not tacky enough when you put the fabric down. Otherwise, what fabric did you use? Did you try to use EC's 'Pro Finish' fabric, with the binder on it to hold the weave together? If so, I suspect this would have caused issues as well. The bound CF fabric doesn't conform quite as well as your standard 2x2 twill weave fabric, it can bridge when the object is too complex.

I used to try skinning things, but I found it a real pain in the ass without vacuum bags. If you wanna give it another go, I recommend trying it with some vacuum bag. I used to use just standard clothing vacuum pack bags, which worked well for that.
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