Hi Guys, first time playing with CF.
I am a designer and 3d printing enthusiast.

Im going to have a crack skinning the inside of these prototype velocity stacks that are going to live on a sprint car.
Obviously this is a fiddly curvature, I was thinking for layup I should approach it in 3 or 4 pie sections with the 2x2 twill I've got here. 
I was just assuming any less than 3 fabric sections per layer and it would start trashing the weave etc. 

Thoughts? (just one stack at a time not as a whole)

2" base dia  4.5" across the top.

Thanks in advance for any replies ! 

A antisphere (that's the mathematical term for this shape) is -in my opinion- the hardest continuous surface to get a good carbon finish on. Yours seem quite manageable, as the negative curvature is quite small till the outer "lip".
I guess they are used with full Range speakers? The efficiency should be very, very bad, but i guess it's more for the optics?
I didn't skin mine, but did a carbon infusion. They are 66cm in diameter. Skinning will be harder.
I did mine in 6 pieces, but I think you might get away with four. Make shure to take countermeasures against fraying,  or you will get very bad cut lines, especially down at the 2" end.

Hi oekmont,

thanks for the advice. 

These are for the air Intake on a race car (individual intake trumpets on each cylinder) 

Ill plan on doing extra sections, yours looks great by the way.
I can see an obvious benifit of doing an Infusion but due to just starting out I don't have the nessecary tooling just yet. 

FYI, I am not planning on skinning the entire thing, only trying to capture to top surface and outer lip. 

Ill get started in the next day or 3, just need to prep the mould a bit more as it's fresh off the 3d printer.

- Shaun