New fabbed roll bar installed!
Thread Starter
Safety Car
Joined: Jan 2008
Posts: 4,711
Likes: 3
From: Middle of No where AK
New fabbed roll bar installed!
I just finished fabbing and installing my own roll bar. Here is the link for the pics.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
Melting Slicks
Joined: Sep 2006
Posts: 2,034
Likes: 0
From: Beaverton OR
I don't mean to rain on your parade, but I take safety issues very seriously. If you want an honest analysis: Your tube looks too small, you have no cross bracing, you are missing welds and some of the bends look "iffy."
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
Melting Slicks
Joined: Mar 2008
Posts: 2,835
Likes: 5
From: Avon Park FLORIDA
St. Jude Donor '08-'09-'10
I don't mean to rain on your parade, but I take safety issues very seriously. If you want an honest analysis: Your tube looks too small, you have no cross bracing, you are missing welds and some of the bends look "iffy."
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
the bends look like they kinked, no crossbracing
most dragstrips techs will not allow you to run with that.
Safety Car
Joined: Aug 2006
Posts: 4,347
Likes: 25
From: Apache Junction AZ
I don't mean to rain on your parade, but I take safety issues very seriously. If you want an honest analysis: Your tube looks too small, you have no cross bracing, you are missing welds and some of the bends look "iffy."
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
That cage would be fine "just for looks" but it probably didn't improve your safety at all and may have actually put you at greater risk in a high speed crash or roll-over.
However, that's just my opinion. Most people probably already told you it was "cool" so feel free to ignore me.
Here is a picture of a proper cage for future reference.
BJK
Safety Car
Joined: Jan 2006
Posts: 3,598
Likes: 0
From: indianapolis indiana
if you are fast enuff to need a roll bar no track is going to allow you to run with that....dragstrip or road course. as others said.... bars to small, bends are not done correct, no bracing and welding in middle of main hoop is a big no no. if it is just for looks ok but....
the pics added above are a good examplw of proper roll bar. welded to the frame...not bolted to seat mounting bolt. proper bracing, tube size and bends
the pics added above are a good examplw of proper roll bar. welded to the frame...not bolted to seat mounting bolt. proper bracing, tube size and bends
CF Senior Member
Joined: Feb 2006
Posts: 23,313
Likes: 25
From: Tucson Arizona
I think it's important to make sure any roll bar/cage installed complies with the specs of the organization(s) you run in. I'm getting ready to install a roll bar/cage and I want to make sure it complies with NASA specs beforehand. I'll also check SCCA roll bar specs to insure cross-over compliance. Anyone can likely find these specs on line.
I'm not a drag racer but here's a link to HHRA roll bar specs:
http://www.nhra.org/contacts/tech_faq.html
I'm not a drag racer but here's a link to HHRA roll bar specs:
http://www.nhra.org/contacts/tech_faq.html
Melting Slicks
Joined: Feb 2006
Posts: 2,007
Likes: 1
From: Eastern PA:ECS Paxton Novi 1500(676rwhp,585tq on stock engine),LG headers, 410's, Corsa Sports, ECS Alky Kit
St. Jude Donor '08-'09
I just finished fabbing and installing my own roll bar. Here is the link for the pics.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
Thats not going to pass any inspection at a track. I'd yank it and use it as a dimensional template and build a new one that will meet spec. It might actually be more dangerous having that in than not if it were to bend in a bad way during a rollover.Sorry.
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Safety Car
Joined: Nov 2007
Posts: 4,537
Likes: 1,403
From: Bethesda MD
Looks like a 4 pt. You need a driver's side door bars for NHRA.
Which sanctioning bodies require cross-bracing and mandrel bends?
Originally Posted by pjm341
the bends look like they kinked, no crossbracing
most dragstrips techs will not allow you to run with that.
most dragstrips techs will not allow you to run with that.
Team Owner
Joined: Jun 2007
Posts: 31,088
Likes: 23
St. Jude Donor '08 thru '13
I applaud your efforts, but that roll bar needs to be checked out by someone with experience. I see some issues, a few of which have already been mentioned.
It's your safety that's on the line here, so please have it checked out by a professional fabricator with race car experience before you put your faith in that setup.
It's your safety that's on the line here, so please have it checked out by a professional fabricator with race car experience before you put your faith in that setup.
Live and learn. if you dont know you dont know. pull it out and get it done professionally,the life you save will be your own.
Melting Slicks
Joined: Sep 2006
Posts: 2,034
Likes: 0
From: Beaverton OR
I just finished fabbing and installing my own roll bar. Here is the link for the pics.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
http://forums.corvetteforum.com/sout...post1569220740
not sure if it will work but you can copy and paste it and it should take you there. Its under southwest ncco number 30 page 22.
I don't want you to feel like everyone is just taking shots at your fabrication skills. Hell, I give you points for recognizing that you may need a cage and trying to build one yourself. Many people focus too much on horsepower and don't give any thoughts to safety.
Here are some pictures from the recent cage improvement I made to my track car. The side bars and halo may not be needed for what your application is, but these pics might give you some ideas.
FYI, this cage is made of 1.75 x .120 mandral bent steel, welded to the frame. Notice the bends and the added gussets that triangulate the structure and help spread the load to multiple frame attachment points. No two-piece bars, no inserts, no bolts.
It's kind of like the story of the guy who wanted to buy a cheap helmet. The store owner told him: "Only buy a $100 helmet if you have a $100 head,"
Good Luck!
Safety Car
Joined: Jan 2007
Posts: 4,332
Likes: 0
From: Kuwait
if you are fast enuff to need a roll bar no track is going to allow you to run with that....dragstrip or road course. as others said.... bars to small, bends are not done correct, no bracing and welding in middle of main hoop is a big no no. if it is just for looks ok but....
the pics added above are a good examplw of proper roll bar. welded to the frame...not bolted to seat mounting bolt. proper bracing, tube size and bends
the pics added above are a good examplw of proper roll bar. welded to the frame...not bolted to seat mounting bolt. proper bracing, tube size and bends
Race Director
Joined: Aug 2008
Posts: 14,657
Likes: 3
St. Jude Donor '11-'12-'13-'14-'15-'16
When do I need a roll bar or roll cage, and what should it look like?
A roll bar is required in any convertible running 13.49 seconds or quicker in the quarter mile
A roll bar is required in any convertible running 13.49 seconds or quicker in the quarter mile