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brasco
brasco
posted 12 Years Ago
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part?? lets say a hood/bonnet.
give me the break down of the layers--for the skin and for the inner skeleton of the hood.
i 'll help--first layer is in this example CF and i choose twill in good old plain black. so for this exercise i have
it carefully placed in the mold and it is laying down good for me. smooth and no issues or wrinkles and no major pattern disruption.
what is my next layer? and options for this layer if i am juggling costs and playing with the materials to learn with.
same for the skeleton/structure of the hood. black twill CF--
as always, everyone thank you very much for the help
scott
CarbonFiberCreations
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wozza
wozza
posted 12 Years Ago
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This is my usual Bonnet/Hood lay up.
Front - 200grm Pro Finish 2/2 Twill - 200grm Plain Weave - 2mm Soric - 200grm Plain Weave - Carbon Tape/Off Cuts around the edge to match the thickness of the Soric.
Back - 200grm Plain Weave - 450 grm 2/2 Twill. Additional layers around hinge/catch mounts.
The layer of plain weave after the Pro Finish is to ensure that the white of the Soric is not seen through the Pro Finish surface layer.
To keep costs down you could use a mixture of Diolen and CSM .
Regards Warren
Carbon
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12 Years Ago by
wozza
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alebassa
alebassa
posted 12 Years Ago
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so you stop the soric a little before the edge and then you put some layers of carbon until you get the same thickness?
How many layers to get to the 2mm thickness, they should be a lot!?
wozza (21/02/2013)
This is my usual Bonnet/Hood lay up.
Front - 200grm Pro Finish 2/2 Twill - 200grm Plain Weave - 2mm Soric - 200grm Plain Weave - Carbon Tape/Off Cuts around the edge to match the thickness of the Soric.
Alessandro
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12 Years Ago by
alebassa
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wozza
wozza
posted 12 Years Ago
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I usually use 25mm wide Tape which is 232grm. Six layers roughly match the thickness of the Soric. Or eight layers of 200grm if I'm using offcuts. It does not need to be exactly the same thickness as the Soric.
Regards Warren
Carbon
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andygtt
andygtt
posted 12 Years Ago
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wozza (21/02/2013)
This is my usual Bonnet/Hood lay up.
Front - 200grm Pro Finish 2/2 Twill - 200grm Plain Weave - 2mm Soric - 200grm Plain Weave - Carbon Tape/Off Cuts around the edge to match the thickness of the Soric.
Back - 200grm Plain Weave - 450 grm 2/2 Twill. Additional layers around hinge/catch mounts.
The layer of plain weave after the Pro Finish is to ensure that the white of the Soric is not seen through the Pro Finish surface layer.
To keep costs down you could use a mixture of Diolen and CSM .
Regards Warren
I do exactly same layup as this (for the top of the bonnet) and I don't need an inside panel as my shapes are not flat so have more than enough inherant strength.. did lots of trials and this was by far the best for strength vs weight vs looks.
if I need more strength I do the rear in a heavier cloth say 650grm and for unltimate strength both the second layer and rear layer are 650gram cloth.
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