Re: Rollcage question-lateral supports
[Re: 70satelliteguy]
#2837824
10/27/20 12:24 AM
10/27/20 12:24 AM
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Joined: Jan 2003
Posts: 31,041 Oregon
AndyF
I Win
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I Win
Joined: Jan 2003
Posts: 31,041
Oregon
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I'd go down to the frame connectors. Maybe even X them so they go to the opposite frame connector.
Last edited by AndyF; 10/27/20 12:40 AM.
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Re: Rollcage question-lateral supports
[Re: dvw]
#2837874
10/27/20 08:06 AM
10/27/20 08:06 AM
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Joined: Jan 2003
Posts: 13,365 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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Mine are welded to a plate right in the corner of the floorpan and driveshaft tunnel.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Rollcage question-lateral supports
[Re: 70satelliteguy]
#2837877
10/27/20 08:12 AM
10/27/20 08:12 AM
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Joined: Jan 2003
Posts: 13,365 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
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Thanks for the reply's. Will it cert with plates? Mike Yes, mine is NHRA cert'd to 8.50. Well, it's expired, but it certified no problem in 2008.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Rollcage question-lateral supports
[Re: AndyF]
#2837932
10/27/20 11:07 AM
10/27/20 11:07 AM
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Joined: Dec 2003
Posts: 22,696 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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I'd go down to the frame connectors. Maybe even X them so they go to the opposite frame connector. The solution pictured makes me a bit uncomfortable concerning based on what I see, with the bent ends on main bar x brace, and that the bottom of the main roll bar and the x brace ends are not substantially tied together, which makes for a weak design load path for any side impact loads on lower main roll bar. Might certify fine, but IMO, a lacking solution.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: Rollcage question-lateral supports
[Re: jcc]
#2838063
10/27/20 05:32 PM
10/27/20 05:32 PM
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Joined: Dec 2005
Posts: 11,579 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,579
Fulton County, PA
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Plates on the driveshaft tunnel are legal. I much prefer frame ties sectioned into and welded to the floor with "outriggers" from the framerails to the rockers also through the floor. Then the main hoop and diagonals set directly on those frame pieces. This rather than floor plates.
And Xs and triangles are your friends in your efforts to stiffen the thing up.
If the results don't match the theory, change the theory.
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