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Davo456
Davo456
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I've skinned 3 parts in the past, and am reasonable at diy, so I'm trying to expand my skills and produce a better job than skinning aluminum.

I am trying to make this dash in carbon using vacuum bagging (the skinned version I made earlier was ok, but I think I can do it better), and was wanting to move some of the dials around within the overall boundary.
http://www.talkcomposites.com/Uploads/Images/4f78cc2e-9ce8-4aa3-8939-2b7f.jpg
So starting with a sheet of polypropylene, I was going to lay 3d printed circles for each of the dials where I want them and a 3d printed edge of some sort around the exterior.
using plasticine to stick them in place.

The original plated steel planel is 1.6mm thick.

To get something sturdy in 199g 2x2 twill carbon, how many layers would I need to have ? I presume I would need it around 1.6mm thick again as its 7-800mm long.
how thick should the edge and circles be if I am going to vacuum bag this ? 
Will covering the 3d ABS plastic in PVA mould release agent be enough to protect if from the resin or do I need to cover it something else ?
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Davo456
Davo456
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its a flat panel.

I've have bought some 2mm polypropylene sheet to make the base of the mould, and the outer edges of it. Which I can then vacuum bag, rather than the 3d printed parts which I believe would soak up the resin.
I will cut all the circles in the polypropylene to make the hole templates.

I wanted to avoid cutting the vacuum bagged CF too much as the epoxy chipped a lot when I skinned parts previously - or is Infusion resin very easy to cut with the right jigsaw blade ?

point taken about the cloth - I will use profinish pre-impregnated cloth to hold the weave.

7 layers = 1.6mm ? thats a lot 
Edited 9 Years Ago by Davo456
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