Subject	I believe you are thinking of it the wrong way
Posted by	Ashman2k2 on March 27, 2010 at 2:48 AM
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In Reply To	Re: to the above responses. posted by CoHPhasor on March 26, 2010 at 09:04 PM
Message	The roof sheet metal might as well be paper compared to the rest of the structure...so it isn't the the torsional rigidity of the roof sheet that is what would add to the overall torsional rigidity...but perhaps the tensile strength of the sheet helps keep the pillars it attaches to from displacing as much in the axial direction. I myself need to analyze a simple model to fully grasp the effect. The stitch/seam welding you referred to as spot welding is really unrelated imo as it deals with fine tuning an existing joint.
Follow Ups	Random thought: Has anybody ever compared a Slicktop - Ashman2k2 15:42:43 03/26/10 I thought the benifit of the slick top was weight.. - Hoppy2 15:48:27 03/26/10 lighter and doesnt leak :) (n/m) - SuparexTT 16:00:50 03/26/10 and lacks the ability to remove the t-tops on a nice day (n/m) - Ahmed (Chicago) 16:47:03 03/26/10 2nd that. sucks. (n/m) - KasbeKZ(VA) 17:20:10 03/26/10 true, but what about cleaning the pollen out? - SuparexTT 17:56:11 03/26/10 Re: and lacks the ability to remove the t-tops on a nice day - canyoncarver 19:20:52 03/26/10 for the same reason people buy convertibles (n/m) - Ahmed (Chicago) 20:17:02 03/26/10 Same reason people punch chimney holes in their houses:) (n/m) - Zxpress 20:33:42 03/26/10 Still can't figure out why people want roofs (n/m) - Adam (NoVA) 20:42:56 03/26/10 to keep out the wet stuff. (n/m) - SuparexTT 20:59:53 03/26/10 two t-top Z's, 8 years, zero leaks - LJZTT 23:26:52 03/26/10 it's probably bc the leak is at the a-pillar. - SuparexTT 10:51:32 03/27/10 The ttop has 1 structure member the slick top has 3. - Bernie (NoVA) 15:57:18 03/26/10 This was stated in the "Stiffening the Chassis" FAQ. - CoHPhasor 18:53:02 03/26/10 to the above responses. - ZiNnYc 20:43:30 03/26/10 haha, stooooooooop... it's all about the h20! - SuparexTT 21:02:01 03/26/10 Re: to the above responses. - CoHPhasor 21:04:28 03/26/10 I didn't say it was required to understand the concept. - ZiNnYc 21:33:03 03/26/10 I believe you are thinking of it the wrong way - Ashman2k2 02:48:04 03/27/10 The roof isn't flat. The convex shape in itself is strong - canyoncarver 07:14:28 03/27/10 You are placing a great deal of confidence in a few spot - ZiNnYc 09:51:33 03/27/10 Your trying to hard - 550HPTT 11:27:35 03/27/10 But that thin cross section is far away from the axis that - black300zx 07:32:20 03/27/10 Shade-tree test shows that a cardboard box is more rigid - canyoncarver 23:03:48 03/26/10 more rigid with respect to which forces? - ZiNnYc 09:45:48 03/27/10 Please provide a link to the reffed convertible measurement - EUGENE 21:03:34 03/26/10 I think they look better. But the t-tops would attract more. - SuparexTT 22:25:19 03/26/10 Asked that question to a few of the Nissan Race Team - Milo (SATX) 21:08:33 03/26/10 Nice post. (n/m) - Halo Z 00:32:01 03/27/10 Do you have a link to a post that states what he did? - 1blackz 00:32:15 03/27/10 Here is the link: - Ashman2k2 03:00:21 03/27/10
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