How much stiffer with solid or tied in roof? |
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How much stiffer with solid or tied in roof? |
Mueller |
Dec 12 2004, 11:17 AM
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#21
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None |
New car has no cage, I know the 914 tends to flex and that the factory welded steel roofs on the 916 for what I guess was to help stiffen them, or was it for other reasons??
The 'glass top should help a little, but I was wondering about attaching tubes or the like from the factory roll bar to the windshield hoop to stiffen the car up.... Has anyone played with this before?? |
Brett W |
Dec 13 2004, 09:58 PM
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#22
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Advanced Member Group: Members Posts: 2,856 Joined: 17-September 03 From: huntsville, al Member No.: 1,169 Region Association: None |
If you add steel into the top you are hanging some major wieght up high in the chassis. It will have an affect on how the car feels. I think you would be better off laminating the stock top with some sort or honeycomb material and fiberglass. Anything you could do to make it stiffer with out using the steel the better.
The two part expanding foam works well. I know Ford is using it in some of its new vehicles. Make sure the chassis has no rust in the frame rails. Then fill with a commercial two part expanding foam. This will do wonders for the frequency of the chassis. Engmans kit is a great addition for the average joe. Most cages that are put in cars only add weight and safety. Hopefully when I get some time after the first of the year I am going to be doing some torsional testing on my chassis. I just have to finish the chassis jig first. |
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