I'm starting to put together a fabricated intake manifold and having almost completed the runners I am looking to make a start on building the plenum before long.
The basic design and layout for it will be very similar or virtually identical to how most other fabricated aluminium sheet plenums are built on here. I had been planning on using a 4mm material thickness.
Before I start, I was just wondering if anyone who has built one of these has ever experienced any issues with it due to the internal pressure? Not cracking or anything like that so much as shape distortion?
I'm only thinking of up to about 1 bar of boost initially, and in the future perhaps up to about 20psi or so absolute maximum.
The plenum's shape will in part be dictated by the space and depth available for it, but rather than it be rectangular/ square edged I'm thinking of forming it more into a tubular shape as far as possible.
Has anyone encountered any such problems with a 'flatter' rectangular section plenum.... I imagine that even at those lowish internal pressures acting on such a large surface area this could be an issue?
Also, what kind of material thickness would be recommended in that case..... might it be a good idea to go a bit thicker on the aluminium plate?
Cheers.
The basic design and layout for it will be very similar or virtually identical to how most other fabricated aluminium sheet plenums are built on here. I had been planning on using a 4mm material thickness.
Before I start, I was just wondering if anyone who has built one of these has ever experienced any issues with it due to the internal pressure? Not cracking or anything like that so much as shape distortion?
I'm only thinking of up to about 1 bar of boost initially, and in the future perhaps up to about 20psi or so absolute maximum.
The plenum's shape will in part be dictated by the space and depth available for it, but rather than it be rectangular/ square edged I'm thinking of forming it more into a tubular shape as far as possible.
Has anyone encountered any such problems with a 'flatter' rectangular section plenum.... I imagine that even at those lowish internal pressures acting on such a large surface area this could be an issue?
Also, what kind of material thickness would be recommended in that case..... might it be a good idea to go a bit thicker on the aluminium plate?
Cheers.