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 12Likes
12-18-2011, 09:41 AM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
NA
Cobra Make, Engine: Chevy LS3 supercharged
Posts: 86
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Not Ranked
new space frame chassis
soon be able to get my new chassis out of the jig it has camber compensation and anti roll suspension
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12-18-2011, 11:41 AM
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CC Member
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Join Date: Feb 2002
Location: Dadeville,
AL
Cobra Make, Engine: Sold my EM.
Posts: 2,459
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I'm fascinated by both the chassis and the process you used to design it. I assume your years of experience gave you a good idea of how and where to start with the design. But did you use any software or other intellectual tools to guide your decisions on what size tubing to use, where to put it, and how much reinforcement to use?
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Cheetah tribute completed 2021 (TommysCars.Weebly.com)
Previously owned EM Cobra
"Never attribute to malice that which is adequately explained by stupidity." - Hanlon's Razor
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12-18-2011, 02:09 PM
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Club Cobra Member
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Join Date: Feb 2006
Cobra Make, Engine:
Posts: 78
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Gary, how about some more pictures?
Hank
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12-18-2011, 02:29 PM
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CC Member
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Join Date: May 2003
Location: Bugtussell,
AR
Cobra Make, Engine: FFR 4859GT Spyder GT 414W EFI
Posts: 257
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Howdy,
Pretty cool!
+1 on the pics!
Paul
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12-25-2011, 12:43 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
NA
Cobra Make, Engine: Chevy LS3 supercharged
Posts: 86
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Not Ranked
me and my busines partner peter walker have been doing this sort of work for the last 30 years we done the all the design work for dax the cobra manifactors in the UK, so its mainly our experiencethat helps us along , peter has his own web site that explanes the camber compensaition that he designed, have a look at, The Camber Compensation & Anti-Roll (CC&AR) Suspension System
hears some more pics.
Gary |
12-25-2011, 01:02 PM
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CC Member
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Join Date: Mar 2008
Cobra Make, Engine:
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Hi Gary
Is this chassis something you are doing away from Dax? Ive noticed the change from square too round tubing. What difff is that?
Great too see a talented guy like you on here. Welcome.
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12-25-2011, 01:27 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
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Cobra Make, Engine: Chevy LS3 supercharged
Posts: 86
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Hi yes it is something me and peter are doing on are own but we will probably be marketing it thro dax,
the diff is a Dana hydrotrack,
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12-25-2011, 01:45 PM
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CC Member/Contributor
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Join Date: Feb 2000
Location: Greenville,
SC
Cobra Make, Engine: 70 Shelby convertible, ERA-289 FIA, 65 Sunbeam Tiger, mystery Ford powered 2dr convertible
Posts: 12,753
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How heavy is that chassis going to be? The bundle of tubing your using, I'm going to say at least twice as heavy as a typical CSX chassis.
Bill S.
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05-02-2012, 03:14 PM
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CC Member
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Join Date: May 2000
Location: Northern VA,
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Cobra Make, Engine: Classic Roadsters
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Quote:
Originally Posted by mrmustang
How heavy is that chassis going to be? The bundle of tubing your using, I'm going to say at least twice as heavy as a typical CSX chassis.
Bill S.
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Looks like a game of "Pick-Up-Sticks" gone horribly wrong! 
.
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05-02-2012, 03:28 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
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Cobra Make, Engine: Chevy LS3 supercharged
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Quote:
Originally Posted by CobraEd
Looks like a game of "Pick-Up-Sticks" gone horribly wrong!
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maby next time ill build one with two bits of 4" drain pipe and a few cross members, that will be nice and simple do you think that will be a good idear, |
05-02-2012, 04:27 PM
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CC Member
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Location: Northern VA,
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I think the originals were based on 4" round tubing as the foundation of the frame.
.
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LIFE IS TOO SHORT TO WORRY ABOUT GOOD GAS MILEAGE
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05-02-2012, 06:43 PM
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Join Date: Jun 2006
Location: Pattaya,
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The Heresy Cobra
Mate that looks bloody marvelous, old chap.
Dont worry about your American cousins some do tend to get a bit touchy if you go away from the original. The tube design does hide the fact u have a chevy in there Wait till they see that  Maybe the 19 inch rear rims will distract them a little longer
Have u decided what body u are going to use. Aluminium, fibreglass or carbon
Wonderful work.
Bruce
Last edited by macloft; 05-02-2012 at 06:49 PM..
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05-03-2012, 11:27 AM
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CC Member
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Join Date: May 2002
Location: Syracuse,
NY
Cobra Make, Engine: Contemporary classics 3041,sbc 350(have no fear ford guys for there is a FE 428 in the garage waiting to be rebuilt & installed) but for now she is a driver while other projects take precidence.
Posts: 405
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Quote:
Originally Posted by CobraEd
Looks like a game of "Pick-Up-Sticks" gone horribly wrong!
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another game of "pick-up-sticks" gone horribly wrong.....
seem's to have worked out for the mfg.
I believe they have done alright since that mess. 
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05-03-2012, 11:44 AM
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CC Member
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Join Date: May 2000
Location: Northern VA,
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Cobra Make, Engine: Classic Roadsters
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Quote:
Originally Posted by avanti-176
another game of "pick-up-sticks" gone horribly wrong.....
seem's to have worked out for the mfg.
I believe they have done alright since that mess. |
That 300SL was notorious for body flex, . . . so much for Finite Stress Analysis!
.
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Last edited by CobraEd; 05-03-2012 at 02:53 PM..
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12-25-2011, 02:20 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Neutral
That is some really clever stuff connecting from one side to the other to instantly and dynamically correct geometry. The spider work of tubing is a thing of beauty. The suspension arms look very long which helps with camber change from the look of things. Keep us posted on your progress.
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12-27-2011, 02:02 AM
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CC Member
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This is a Magnum chassis (UK) and the whole car ist 2130 lbs.
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12-27-2011, 12:17 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
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Cobra Make, Engine: Chevy LS3 supercharged
Posts: 86
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all the tubing is cds 2 14 swg , thats about 2 mm wall thicknes , very light and very stiff
its weight is about 90 kg and when fitted with the chevy LS motor will be a very light car
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12-27-2011, 01:22 PM
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You aiming for about 1000kg +/- 550hp/ton ???
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12-27-2011, 02:59 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
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Cobra Make, Engine: Chevy LS3 supercharged
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were fitting an Edelbrok super charger hoping for just over 600 hp per ton
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01-08-2012, 01:54 PM
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CC Member
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Join Date: Jan 2011
Location: bishops stortford,
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Cobra Make, Engine: Chevy LS3 supercharged
Posts: 86
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Neutral
now the chassis is out of the jig it looks a lot better
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