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Re: trying to make a turbo manifold....??
There is no possible way you can sit down with a calc and just come up with what kind of brace will be optimal in this situation since you don't know a lot of variables. Honestly, its not worth calculating. On a product like this, its simply best to go way overkill and be done with it. Calculating a moment based on 3 axis on each joint will take forever to do by hand. You'd absolutely need to throw it in a 3D modeling software in order to be atleast somewhat effective. Again, a waste of time. Just make it so the turbo can sit on the brace in the position you want it to be and can also move a 1/4-1/2" in every direction. Problem solved.
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Re: trying to make a turbo manifold....??
Originally Posted by Inquisition
Just make it so the turbo can sit on the brace in the position you want it to be and can also move a 1/4-1/2" in every direction. Problem solved.
Beau |
Re: trying to make a turbo manifold....??
Thanks for repeating what I already said a few posts up.
Originally Posted by Inquisition
If hotrex did a decent job of welding the manifold, it should last quite a while. We are still talking about very thick material which helps prevent quite a bit of problems as far as cracking is concerned. That brace is a piece of ---- though. It probably going to do more harm than good. Just weld some sort of bracket that supports the turbo in place and has some ability to move around a bit. That way when the manifold moves and shifts, twists and turns, the load will be minimalized on the weld joints. Right now, the brace is poorly attempting to keep the manifold put. Let the manifold shift and shake. You can't really prevent that do to the engine is going to shift and shake, just make it so you minimalize the loads
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Re: trying to make a turbo manifold....??
Originally Posted by Inquisition
Thanks for repeating what I already said a few posts up.
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Re: trying to make a turbo manifold....??
Originally Posted by rollmodel
I love all this talk about 'stresses' and what braces will work and which ones will not.
A funny thing about 'engineering' something is customer perception. If it looks tough, it probably is tough. I was not real sure about the comment about gravity pulling down and not forward... what that was supposed to mean. If you weight the turbo, and measure the distance from the block, that is a 'moment arm' and it will produce a bending moment about the flange. Along with this, there will be a direct shear force on the welds of the flange due only to the weight of the turbo. Welds are also weakest in shear. If you would really like calculations to verify whether it may break or what (if any) factor of safety gaurding against failure, I will get out the ti-89 and some graph paper and go to town. Lol, did you just get done an engineering statics class and looking to impress people with technical terms. :S The problem isn't a bending moment, its a stress concentration problem. You don't want to build a brace to prevent the runners from cracking by bracing them to the runners you are trying to brace. You support a roof to the ground, not to the shingles. |
Re: trying to make a turbo manifold....??
I really like the gussets on Aarons manifold, pretty sweet looking, I know he used some pretty thin stuff so I hope it holds up ;)
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Re: trying to make a turbo manifold....??
my cats name is mittens
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Re: trying to make a turbo manifold....??
Originally Posted by random-strike
my cats name is mittens
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Re: trying to make a turbo manifold....??
Originally Posted by AbaZ
I really like the gussets on Aarons manifold, pretty sweet looking, I know he used some pretty thin stuff so I hope it holds up ;)
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Re: trying to make a turbo manifold....??
it was 16g for the runner. dunno about the gussets
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