Beatrush Front tower strut bar
Originally Posted by BBYBruno
The way those little brackets sit and are welded to the main bar look weak on the carbing.
Don't let the pics fool you, the Carbing bar is a piece of work and solid as hell.
Originally Posted by JDMevoBOOST
I agree Carbing welds are perfect and the design is flawless. If you see one in person you will understand how strong it actually is. It is not weak at all.
Here are some more pics of some Carbing products. These are the "Floor Support Bars" for my old S2000. They're simply pieces of art. Too bad they don't make the floor bars for the Evo.

Originally Posted by WWEVOIX
well... i didn't post this to start wars, i'm just trying to post pics for ppl to see, it's up to each owner's taste and budget to mod their car...
Originally Posted by JDMevoBOOST
Definitely not as strong as the carbing piece. Carbing is one solid piece, the beatrush has way too many movement points. Ask any engineer why a solid structure is stronger than 5 pieces bolted together.
In the case of a solidly welded mounting point, instead of the pivot points on the Beatrush design, you will get some moment forces on the bar and at the welds of the bar to the mounting plates. So where I think the primary loads in the Beatrush design are tension/compression on the bars and flex where the bars attach to the mounting plates, I think the loads in a welded bar will be spread between the welds at the bar/plates, bending moment in the bar, and tension/compression in the bar.
Last edited by spdracerut; Oct 29, 2006 at 05:08 PM.
Originally Posted by spdracerut
While that's generally true... in this case, I think the Beatrush design is fine. It seems to me that any twisting of the chassis will want to change the distance between mounting points. Therefore, the bars going between the points will pretty much only be put in straight tension or compression with no moment arms.
In the case of a solidly welded mounting point, instead of the pivot points on the Beatrush design, you will get some moment forces on the bar and at the welds of the bar to the mounting plates. So where I think the primary loads in the Beatrush design are tension/compression on the bars and flex where the bars attach to the mounting plates, I think the loads in a welded bar will be spread between the welds at the bar/plates, bending moment in the bar, and tension/compression in the bar.
In the case of a solidly welded mounting point, instead of the pivot points on the Beatrush design, you will get some moment forces on the bar and at the welds of the bar to the mounting plates. So where I think the primary loads in the Beatrush design are tension/compression on the bars and flex where the bars attach to the mounting plates, I think the loads in a welded bar will be spread between the welds at the bar/plates, bending moment in the bar, and tension/compression in the bar.
wow... now it seems to make alot more sense, i was kinda worried at first, but worry no more..
While that's generally true... in this case, I think the Beatrush design is fine. It seems to me that any twisting of the chassis will want to change the distance between mounting points. Therefore, the bars going between the points will pretty much only be put in straight tension or compression with no moment arms.
In the case of a solidly welded mounting point, instead of the pivot points on the Beatrush design, you will get some moment forces on the bar and at the welds of the bar to the mounting plates. So where I think the primary loads in the Beatrush design are tension/compression on the bars and flex where the bars attach to the mounting plates, I think the loads in a welded bar will be spread between the welds at the bar/plates, bending moment in the bar, and tension/compression in the bar.
In the case of a solidly welded mounting point, instead of the pivot points on the Beatrush design, you will get some moment forces on the bar and at the welds of the bar to the mounting plates. So where I think the primary loads in the Beatrush design are tension/compression on the bars and flex where the bars attach to the mounting plates, I think the loads in a welded bar will be spread between the welds at the bar/plates, bending moment in the bar, and tension/compression in the bar.
That's a very good explanation from an engineering point of view. Solid joints are not allways best because they lead to moments and more stresses in the piece.
Definitely not as strong as the carbing piece. Carbing is one solid piece, the beatrush has way too many movement points. Ask any engineer why a solid structure is stronger than 5 pieces bolted together.
Think about it this way. Things that need to be strong on any car are WELDED, not just bolted on. Use your head.
Think about it this way. Things that need to be strong on any car are WELDED, not just bolted on. Use your head.
just like what spdracerut said, from an engineers perspective, the strut tower brace is usually there to reduce the inward bending of the strut towers. this puts the strut tower brace in a compression or tension load, and therefor having pivoting joints rather then weld joints wont make a difference, the bar will still be in compression or in tension. there is one moment axis that is eliminated by using a pivoting joint, which may reduce the stress on the bar/joint.
its a great looking piece, and it does what it was designed to do.
[QUOTE=revvin9k;3619597]Here are some more pics of some Carbing products. These are the "Floor Support Bars" for my old S2000. They're simply pieces of art. Too bad they don't make the floor bars for the Evo.
Carbing actually does make evo floor support bars. They are currently backordered in Japan though. Contact Eric at "Jondemand" if you want em.
Carbing actually does make evo floor support bars. They are currently backordered in Japan though. Contact Eric at "Jondemand" if you want em.
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