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04-23-2003, 07:49 PM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
ERA Chassis
Hi Bob
I have been cruising on your website and specificaly looking at your chassis information, I am very impressed with all your information, and chassis design!
My chassis is made of 4x3x125W RHS Tubing and looks almost identical, also at the diff end which is boxed and very strong, and constructed for the Ford 8.8, they still have the Jaguar chassis available. Almac cars here have tried to duplicate the front X member and interior look, plus have taken into consideration the classic they are reproducing and of course an open roof car. I measured the distance between center of main tube to other tube center it is 26" so thats quite wide as well!
I look at my chassis periodically and think I can improve it, I agree if I was going to build a chassis for performance etc the "Backbone" would be seriously considered!
My question is lets say this chassis and body fixing is very similar to ERA , my roll bar is mounted on strong bracing behind rear firewall above rear axle area, has a long diagonal foreward brace, and shorter rearward brace, the foreward brace goes down to the main chassis rail, in the passenger area, distance about in line with windscreen, this should add some strength, but what I am thinking of is doing two foreward braces, which would be attached to a supported area of the roll bar mounting brace, but would only be about 10-12" apart in center of car, 4" below bodywork, so in effect from the roll bar area to say clutch area is strengthened for racing, these braces would be removable, the drivers brace would mean moving my original looking park brake elsewhere - BUT all this could be doing is localised strengthening and not achieving much, plus I have thought of solid mounting the engine/transmission to firm up that area?
Also in the engine area that has a lenthways unbraced area of 3.9' to fit power plant etc, am considering fitting a round tube in about the mounts area that connects the main rails crossways, pending sump design but don't know if any benefits would come, I see by your chassis drawing this has a similar area?
I think I underestimate the benefits of a strong ladder chassis and correctly sprung suspension, and probably should leave well enough alone!
Ant
Last edited by Ant; 04-23-2003 at 08:02 PM..
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04-24-2003, 05:07 AM
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Senior Club Cobra Member
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Join Date: Feb 1999
Location: New Britain, CT,
Posts: 1,416
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Not Ranked
Ant,
MEGO...
Please show me a picture of what you have and what you want to do.
__________________
Bob Putnam
- E.R.A.-
Please address parts inquiries to eraparts@sbcglobal.net
Last edited by Bob Putnam; 04-24-2003 at 05:46 AM..
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04-25-2003, 01:38 AM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
Chassis
Thanks Bob
Have a flash camera, will take some picts with the body on, of relavent areas to give you and others a good look at this kit! I could take the body off and suspend it about a meter above the chassis, will if necessary but will try to get enough information with it on, as it takes a bit to get off.
There will be about six .jpegs in about three days, should I email them to you?
I tried to post some other pictures to the forum, but didn't have any luck some time ago!
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04-25-2003, 02:56 AM
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CC Member
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Join Date: Mar 1999
Location: penn.,
Posts: 2,556
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Not Ranked
Hey Ant, take a look at one of the Shelby spec racers(Kris may have pics on csxinfo.net) They have a backbone down the middle of the chassis, like a Daytona. Any Cobra replica can have this backbone installed, and I'd bet it would improve torsional stiffness on all of them.
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04-26-2003, 01:33 AM
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CC Member
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Join Date: May 2002
Location: Ashburton, New Zealand,
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Cobra Make, Engine: UK Ram SC. KC-Yates 373, Jerico 5 speed.
Posts: 1,240
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Not Ranked
Chassis
Thanks Mr Bruce will do!
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