Birty Dastards Jeep Club
Tech Forum => Workshop => Topic started by: xr6jeeper on October 21, 2008, 09:53:35 PM
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Hi folks! i was wondering if anybody knows the size and wall thickness for offroad competition vehicles.
I make cages for drag racing etc, we use chromoly which is very expensive so i wondered if off road spec cages were the same.
Cheers
Geoff.
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hmmmmmm interesting - i have a poison spyder cage and that was the best i could find at the time.....you may have found a little project for yourself here in my opinion.
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dont know about offical specs but we have allways used 50mm seamless with 3mm wall min
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hmmmmmm interesting - i have a poison spyder cage and that was the best i could find at the time.....you may have found a little project for yourself here in my opinion.
I dont suppose you know the wall thickness do you? the reason i ask is because i was going to make one for my cj, based on the rock crawler rigs in the states. If i used cromoly id probarbly have to sell a kidney, but if i can use a thick wall cds it would make it easier on the wallet and i could get away with just selling the missus.
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dont know about offical specs but we have allways used 50mm seamless with 3mm wall min
Ah! thats interesting, cheers dude.
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should be on here somewhere http://www.msauk.org (http://www.msauk.org)
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should be on here somewhere http://www.msauk.org (http://www.msauk.org)
Had a look , cant find anything, cheers dude.
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http://www.safetydevices.com/index.php? ... &Itemid=35 (http://www.safetydevices.com/index.php?option=com_content&view=article&id=15&Itemid=35)
http://www.safetydevices.com/index.php? ... &Itemid=49 (http://www.safetydevices.com/index.php?option=com_content&view=article&id=29&Itemid=49)
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my chassis is all 1.75 dom....
(http://http://i35.photobucket.com/albums/d161/krawlfreak/new%20buggy/buggy005.jpg)
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http://argent.fia.com/web/fia-public.ns ... _08-09.pdf (http://argent.fia.com/web/fia-public.nsf/78CDD1B7D891C83EC1257474004CA584/$FILE/283_08-09.pdf)
http://www.fia.com/en-GB/sport/regulati ... llies.aspx (http://www.fia.com/en-GB/sport/regulations/Pages/FIACross-CountryRallies.aspx)
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ARC regulations for roll bar
http://www.alrc.co.uk/new%20regulations/rbq03.htm (http://www.alrc.co.uk/new%20regulations/rbq03.htm)
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we use MSA rules here.....
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page 16 of the pdf link I posted gives tube specs
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http://www.safetydevices.com/index.php?option=com_content&view=article&id=15&Itemid=35
http://www.safetydevices.com/index.php? ... &Itemid=49 (http://www.safetydevices.com/index.php?option=com_content&view=article&id=29&Itemid=49)
Yep! thats what i was looking for many thanks mate.
Ive fitted a couple of those bolt together cages in drift cars, but if im honest they should change the rules and make them fully welded.
Then again skidding about isnt that dangerous, is it.
Geoff.
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my chassis is all 1.75 dom....
(http://http://i35.photobucket.com/albums/d161/krawlfreak/new%20buggy/buggy005.jpg)
Nice chassis iom, what running gear and suspension are you using?
Geoff.
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crate ls1 with Delphi computer rated @410 h/p
built th400
(upgraded Kevlar clutches,sprag,deep pan,art carr reverse manual valvebody w/compression braking and 32 spline output)
art carr 2200 stall rock crawling torque converter
stak 2 speed monster box(5.44) w/1350 front and flange rear
high angle drivelines:
front/two piece 1350 at transfer case and 1410 at pinion
rear 1350 c.v and 1410 at pinion
axles:
front/chevy kingpin dana 60 (4.56)
arb
chromo 35 spline inner/outer shafts
longfield 300m joints
s&n fab drive slugs
mad hysteer arms
howe double ended ram
bluetorch cover
½ ton brakes w/ sams offroad brackets
1410 yoke
full width 69.5”
rear:
corp 14 bolt f/f (4.56)
detroit
½ ton disk brakes with great lake brackets
1410yoke
four link front and rear with 16" fox coilovers
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Well Damn isle of man thats a shopping list if I ever saw one!
It looks a lot like the Blue Torch Fusion Chassis?
I hate to thread jack but what are you gonna use this for? Don't tell me just pay and play?
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it's a shaffer diablo chassis for going to the mall obviously!!!
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it's a shaffer diablo chassis for going to the mall obviously!!!
Can I come :lol:
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Can you build me a cage?? I've been looking for a while and had some outrageous quotes
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Can you build me a cage?? I've been looking for a while and had some outrageous quotes 
Who me! or isle of man.
Geoff.
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You!
I.O.M has some cool toys but I don't think he's a fabricator.
P.S. I didn't open the links above but the cages I have enquired about use CDS or T45 tube in 45mm O.D.
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I.O.M has some cool toys but I don't think he's a fabricator.
don't have the time to fabricate - in fact don't have much time at all for anything other than work.
and go the mall.......
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You!
I.O.M has some cool toys but I don't think he's a fabricator.
P.S. I didn't open the links above but the cages I have enquired about use CDS or T45 tube in 45mm O.D.
It might be possible, but i cant do it pronto as ive got a major chassis job on at the moment.
Let me know what kind of cage you want ie , 4 point or 6 point etc etc and i might be able to help out .
Geoff.
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Absolutely no rush at all, I have quite specific ideas but they are only ideas. Kind of semi-internal, semi external cage and justed wanted to know someone that might be able to do it. I have to do some body reinforcements first becaue it's a unibody on a Cherokee.
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Absolutely no rush at all, I have quite specific ideas but they are only ideas. Kind of semi-internal, semi external cage and justed wanted to know someone that might be able to do it. I have to do some body reinforcements first becaue it's a unibody on a Cherokee.
Okey dokey james, give me a shout nearer the time.
Geoff.
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cold drawn tube is best for cages but it aint cheap and not many places stock it. scafold tube is good but try bendin it
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The only quote I have had was about £120 per 6m length and that was through an engineering company that I have contacts in. What total length of tube would you expect to use on a Cherokee size cage with (probably) six body/frame mounting points (3 main hoops)??
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The only quote I have had was about £120 per 6m length and that was through an engineering company that I have contacts in.
Whats size tubing is that and what wall thickness, its not far off what ive been quoted.
What total length of tube would you expect to use on a Cherokee size cage with (probably) six body/frame mounting points (3 main hoops)??
that my friend only you can answer, tape measure basic shapes of where u want the hoops and always round up. no matter who you are, when you start making anything with tubing - it goes quick.
or if your good ole Ponyracer, it quickly goes across the street in the grass!?!?!
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Measuring is the only sensible way but I'm stuck at work and needed a little distraction - thinking about making stuff and driving on the rocks keeps me going
I'll get some picture of NAXJA later, have you got any of Ponyracer's cage.
P.S. I think the tube was something like 1.75" OD 0.120" wall CDS but it may have been a metric equivalent, 45mm OD 3mm or 3.5mm wall. It was a while ago and I was enquiring about it to build a tube bumper not a cage so this may not be the right spec for a cage.
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Got the name of a trade supplier who is willing to supply us as club members, delivery is only available within 50 miles of Bristol but I am happy to take delivery if you want to collect it from me
Supplier:
Fred R Powell & Son Ltd
Unit 1 Avonside Ind Park
Avonside Road
BRISTOL
BS2 OTS
0117 9717971
Quote:
44.45x2.64 CDS TUBE 5.6mtr LENGTHS £42.34
47.63x3.25 CDS TUBE 5.6mtr LENGTHS £63.50
7-10 DAY DELV.
IF YOU WANT A LARGE QUANTITY
AT ONE TIME WE CAN GET YOU A
BETTER PRICE...
Prices plus vat
If you want to order your self, feel free to call them, quote ref; 298511 and my name (Bruce)
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I think you guys have all the right contacts to get the tube for a decent price, so ill bow out .
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oi hang on before ya run off :lol:
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oi hang on before ya run off :lol:
Sorry greg! i didnt mean to piss anybody off, you guys an gals seem to know what youre doing, and where to get the best materials to do the job so i thought id bow out gracefully.
The roll cages i make take a fair while to design and build, so i couldnt really give a price without having the jeep in the workshop and discussing what the owner wants .
Theres so much to it..... 4 point... 6 point .. then theres the cage that goes through the floor and links into the chassis.
At the end of the day what it boils down to is a lot of work .
I would like to think that one of my cages would save a life. Providing the person in the vehicle had a 5 point harness on and the seat was mounted correctly theres no reason why they shouldnt be able to take a big tumble and walk away laughing.
Ive had a roll cage i made crash at 300mph and the guy walked away , what more can i say.
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I forgot to say, i wasnt tryin to drum up work i just wanted to know what roll cages you guys were using.
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you aint pissin no one off mate. all is cool. it would be nice to see an external cage available for jeeps that dont cost an arm and a leg ya see. i am gona fab some stuff for mine soon and i know it will take time but its all good fun. i enjoy making stuff for the jeeps but sometimes it would be nice to see the stuff available at a fair price for those who cant make their own. get designing somethin mate cos i am sure there is a market.
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Geoff we need members willing to make kit for those who can’t or don’t have time.
True there’s a few on here who could build a rig from the tyres up, but I bet there’s a few who would have trouble fitting seat covers
And every skill level in-between.
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you aint pissin no one off mate. all is cool. it would be nice to see an external cage available for jeeps that dont cost an arm and a leg ya see. i am gona fab some stuff for mine soon and i know it will take time but its all good fun. i enjoy making stuff for the jeeps but sometimes it would be nice to see the stuff available at a fair price for those who cant make their own. get designing somethin mate cos i am sure there is a market. :wink:
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Geoff we need members willing to make kit for those who can’t or don’t have time.
True there’s a few on here who could build a rig from the tyres up, but I bet there’s a few who would have trouble fitting seat covers :-)
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Having someone who can bend tube and fit it to a vehicles is actually quite a hard find! Just because some of us know what to use and have design ideas doesn't mean we can build a cage. I'd be happy to pay several hundred pounds + materials for a cage that had some of the design ideas I wanted.
The last enquiry I made was for a front 'cage' (A+B pillars, external A and internal B - like a lot of Landrovers have) and it was £1200 +VAT. I'd like to have a 'fullsize' cage for that kind of money, something that would protect me and a lot of the body of the vehicle during a typical off road roll accident (i.e. not 300 mph, just a slow tumble, 3 at worst).
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Having someone who can bend tube and fit it to a vehicles is actually quite a hard find! Just because some of us know what to use and have design ideas doesn't mean we can build a cage. I'd be happy to pay several hundred pounds + materials for a cage that had some of the design ideas I wanted.
The last enquiry I made was for a front 'cage' (A+B pillars, external A and internal B - like a lot of Landrovers have) and it was £1200 +VAT. I'd like to have a 'fullsize' cage for that kind of money, something that would protect me and a lot of the body of the vehicle during a typical off road roll accident (i.e. not 300 mph, just a slow tumble, 3 at worst).
Ill have a look at a few landy pics, to get an idea of what youre after james.
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If you go to a pipelinecentre (big brother of plumb centre same company)
they hire out pneumatic pipe benders which are not very big and should be cheap to hire
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Ill have a look at a few landy pics, to get an idea of what youre after james. 
Basic truck cab lardie cage (External)
(http://http://birtydastardsjeepclub.com/forum/userpix/343_Roll20Cage206_1.jpg)
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Ill have a look at a few landy pics, to get an idea of what youre after james. :wink:
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If you really want to research cages for Jeeps then; http://www.pirate4x4.com/forum/ (http://www.pirate4x4.com/forum/) is a good place to start
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If you really want to research cages for Jeeps then; http://www.pirate4x4.com/forum/ (http://www.pirate4x4.com/forum/) is a good place to start :P
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i will have what you trow away