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Stahlwerks.com
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Ultimate roll cage thread
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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Confused
Join Date: Apr 2004
Location: Johannesburg, South Africa
Posts: 102
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From my espionage collection.
![]() ![]() ![]() And a gratuitous shot of my new tool storage... ;-)) Sorry about the poor quality - camera phone... ![]()
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Squeaky brakes are safer.... 2000 GT3 Clubsport, 1967 911 2.7 Track toy in progress 1983 Lamborghini Countach 5000S, 2009 VW Tuareg, 6 Bicycles - 3 Road, 3 Mountain |
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Registered User
Join Date: Nov 2005
Location: Los Angeles
Posts: 494
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This thread is brilliant. It will keep you busy for a while.
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1974 911 Carrera 2.7RS+ 1968 912 -- sold 2007 S2000 2004 R32 -- for sale; inquire within! 1990 Ford Ranger prerunner |
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Moderator
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I have a few pictures of my roll bar fabrication here on the SpinningHippo site.
From This: ![]() to This: ![]()
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Don Plumley M235i memories: 87 911, 96 993, 13 Cayenne |
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Registered User
Join Date: Aug 2001
Location: San Diego CA
Posts: 697
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Don,
Did you have any problems installing the headliner? Your top bar looks really close to the roof. John, If you're using a headliner in your car, the clearance between the top bar and headliner should be considered. I had a custom roll bar measured and made when my car had no headliner, now it may be an issue.... just some things to keep in mind. |
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7.0:1 > 11.3:1
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Here is a cage I built this summer for a car I'll share with my race partner. Though it's a dedicated track car it will only see lapping events and solo I competition, and maybe some vintage lapping but no competitive wheel to wheel stuff. Our objective was to keep the car as light as possible yet meet the safety guidelines required by our local club. 0.095" wall 1.5" dia ERW tube. Only extra material is the shoulder belt bar on the passenger. I estimate it took me about 40-45 hours to build, picky about tight fit...
Jim |
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Registered User
Join Date: Jul 2001
Location: Connecticut
Posts: 1,942
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The only thing I didn't know and didn't bump into when researching what to do with my cage was SCCA (I don't race SCCA) does not allow for a bend at the peak of the roll bar and PCA does.
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'83 SC |
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Registered User
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I like how close to the A pillers this cage is
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-Steven 72T RS look 88 911 96 993 |
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Registered User
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Why not just have some build a copy of the 993 Matter cage?
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-Steven 72T RS look 88 911 96 993 |
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7.0:1 > 11.3:1
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chrisp, don't put a bend in the top center of the hoop. Though I did this, it was really pointless. It certainly limits acceptance by different sanctioning bodies. Especially if you take your car to multiple tracks and events.
Jim |
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Stahlwerks.com
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Thanks for the great information guys. I'll probably start doing some CAD work on the cage soon.
I may start with what Don has done and put the rear portion of the cage in first. I need to go through all the rule books to see what they say about tying down shock points with the cage. I really like what Jim has done with that. The hard part will be deciding when to pull the car off the track for a while to do the next transformation. I wish I had a spare non sunroof tub to clean, strip, and install the cage in, then move my components into.
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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Stahlwerks.com
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Saw a cage I really liked at the track this weekend......
Thanks to the owner for letting me crawl all over it and take pics. ![]()
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,833
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Subscribing
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 2010 Jaguar XF (fast touring car), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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GFCC
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
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Joe, Does this mean you are going to come play with us at the track?
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Jeff 1976 911 Coupe w/ Euro 3.0 - Sold 1987 Carrera Coupe - Sold 1999 Carrera Cabriolet - Current |
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Stahlwerks.com
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So, does anyone know a good steel tube supplier here in Charlotte? Must be someone around with all the race teams in the area.......
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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Registered User
Join Date: Jun 2001
Location: Mid-Ohio
Posts: 709
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deal me in
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Registered User
Join Date: Apr 2003
Location: Cornelius, OR
Posts: 1,899
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Here is mine:
![]() ![]() ![]() Remember, mine is a 912 chassis with a Type-4 engine. ![]()
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'69 912 w/ 2.3L Type-4 Turbo Engine '74 914 1825lbs, JDM Subaru STi Spec-C Engine, Lotus Suspension, 930 Trans. '80 924 AAN 5-Cyl Swap - Team UBoot Rennwerks |
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Stahlwerks.com
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Found a supplier for tubing, 1.75x.12, can get it shipped to my office in 20' lengths.
Anyone have a guestimate on how many feet a cage takes? Figure I'll end up ordering enough for at least 2 cages (or enough to mess one cage completely up)
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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Friends of Warren
Join Date: Feb 2004
Location: Surrey, UK
Posts: 3,135
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Call Zuffehnaus 704 821 2546. They build cages for a lot of people in the South and I am sure would point u in the right direction.
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