How to get a perfect join on a round part?


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NTF6
NTF6
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Hi,

I am skinning a turbo inlet pipe that is round, tapers from one end to the other and also has a tight bend in it. Initially I layed down a first layer using 25mm plain weave CF tape because the inlet pipe was made up of two pieces and i needed the piece structurally joined before moving on. I have sanded the piece down ready for the next layer which will be the nice visual layer as seen when the piece is finished.

My next step is to add another layer using 3k 2x2 twill but I would like advice on how to get a perfect join when I lay the CF on the resin and also the odd shape of the piece. I don't want the weave coming apart if I cut it and I also don't want to overlap the joint.

Any advice would be greatly appreciated, btw, this is my first skinning project.
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Fasta
Fasta
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Layup one side to cover more than just half and let this cure.

Sand lightly.

Then layup the second side/half also doing more than just half. Wait until green (partially cured like rubber, 2 hours?) and then cut clean with knife (green trimming) and peel away the wasted edge.

A bit of a technique but it could work well. Then resin coat sand/coat/sand/spray etc etc until you have  your gloss finish.

Or use pre preg and cook. The pre pregs will cut clean and sharp.

I did this alloy pipe with pre preg.

http://www.talkcomposites.com/Uploads/Images/26293229-f1ec-416e-9a20-2fca.JPG




Edited 8 Years Ago by Fasta
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