By Rodrigo Jimenez - 11/17/2021 4:38:13 PM
Hi guys.
I have to do a carbon plenum wet laying for an atmosferic V6 with ETB.
My plan was a initial and final layers of 200gr and 4 layers of 450gr in between, with 1 extra layer of 450 in some curves.
For each layer i was thinking on doing the following ->
for the bottom part of the plenum one across long sides of the and one on each shorter side with an extra strap of about 7cm wide to overlay the union in each corner
Will you do it like this or differently ?
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By Hanaldo - 11/25/2021 10:21:15 AM
I make carbon plenums and intercooler piping for turbocharged race cars running 2-3 bar boost and in excess of 700hp - monolithic carbon layup for 2mm wall thickness. I use pre-preg, so for wet-lay I probably would consider going an extra 0.5-1mm thickness.
Your geometry won't be helping you here, flat walls will fail easier than walls with some curvature to them. So if changing the shape slightly and making new tooling to incorporate some curvature is an option, then you can save a bit of weight/material that way. Otherwise, your suggested layup sounds fine. You could also do a rohacell core as Lester suggested, but I do prefer to do these sorts of parts monolithic.
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