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?? |
Jeroen |
Dec 14 2004, 04:44 PM
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#22
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914 Guru Group: Members Posts: 7,887 Joined: 24-December 02 From: The Netherlands Member No.: 3 Region Association: Europe |
QUOTE(JOHNMAN @ Dec 14 2004, 07:43 AM) Our cage has been tied into our windshield frame for over 16 years of track time and our windshield frame has not cracked off. Like Eric mentioned... that is exactly why your windshield DIDN'T crack... We all agree that our targa cars flex at the top. That leaves 3 pieces: the targa bar, the roof and the windshield frame The targa bar is a pretty surdy piece (it's proven to function as a roll bar) The windshield frame is quite flimsy... you can move it just by hand and you don't have to put much force into it. Put a solid connection between those two (a reinforced roof) and which one do you think will end up suffering from the stress? |
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