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Help with barwork...??...

General Tech Talk

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Help with barwork...??...

Post by JoeLux »

What would be the mimimun OD and thickness pipe you would use on a roll bar?

The pic is the kinda setup i'm going to make... black bit being the tray....

I have a sh*tload of 25mm ID that is 5mm thick, but i'm a bit worried about the strength....
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Post by hottiemonster »

ask cheezy 9761 8111
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Post by MissDrew »

My bars were made by cheezy and are 50mm OD 3.2mm Dom tube.
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Post by JoeLux »

hmm i would ask cheezy but i'm pretty sure he wont be at work still!!

I am asking tonight because if some1 reckons it will be ok, i'll make the buggers tonight!
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Post by MissDrew »

We finished making those bars at 4.30am on a Friday morning, I wouldn`t be surprised if he was still their :roll:
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Post by hottiemonster »

Guts wrote:We finished making those bars at 4.30am on a Friday morning, I wouldn`t be surprised if he was still their :roll:


which comp was it for guts?
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Post by JoeLux »

No luck, if he is there he aint answering! :?

I just found a 3.2m length of 50mm OD 5mm thick... only one tho.... Might have to settle for that... Definately beating otis' budget still :lol: , the spray job and the tray have only cost bout 400 bucks together so far... 200 for paint and about 170 for checkerplate and a bit on other bits n pieces...
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Post by Ruggers »

most rollcages for cams approval are 32mm od with a 3mm wall thickness. if it isnt for racing and doesnt need govering body eg cams approval then it should be fine to use
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Post by LEXX »

HMMMMM, it's touch and go with it. Being 5mm thick it should be ok, you could always make it then go for a test, really the ID is a bit small, but it should be strong enough.
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Post by JoeLux »

got it all mapped out on the ground... just about to start bending... who's going to make the decision for me??

50mm OD 5mm thick 1 bar up front

or

25mm ID 5mm thick 2 bars up front


My ex handbrake always said because i'm a libran i am a bad decision maker.... Made one right one tho... (read: EX :D )
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Post by 4sum4 »

5MM is heaps,its all you will need,PM MY45 he just rolled a few times with small OD and ID it saved him but it was in a mess.
And also are you useing seamless tube?
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Post by MissDrew »

hottiemonster wrote:
Guts wrote:We finished making those bars at 4.30am on a Friday morning, I wouldn`t be surprised if he was still their :roll:


which comp was it for guts?
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Post by N*A*M »

JoeLux wrote:got it all mapped out on the ground... just about to start bending... who's going to make the decision for me??

50mm OD 5mm thick 1 bar up front

or

25mm ID 5mm thick 2 bars up front


My ex handbrake always said because i'm a libran i am a bad decision maker.... Made one right one tho... (read: EX :D )


yeah dump the woman and work on the car is the best way to recover ;)
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Post by Midget »

first of if it a big vehicle i would definatley go with the 50mm pipe.
I made a full cage for my zook and i used 50mm pipe for the main hoop and rear supports and 32mm for the front half..

Just my 2cents worth...

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Post by OVERKILL ENG »

Most of the comp rules allow 1 3/4 pipe and the DOM tube has a wall of only 2.3mm so I think what you are using will be fine.
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Post by LEXX »

Sorry my last post probably didn't read well, being too bloody sarcastic for my own good :)

The tube will be fine!!!!!!! 5mm wall will be more than strong enough for the job, but as has been said if its a big 4x4 you may consider a bigger OD tube but not really needed.
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Post by JoeLux »

"N*A*M" yeah dump the woman and work on the car is the best way to recover


yeah... the car doesn't crack the shits half as much! :lol:


Anyway... ended up going with the 50mm. rather safe than sorry, even if i only use it once, i want it to work! :armsup:

Come up alright for an amatuer.... almost straight :roll: will fix it up tomorrow night, cant be bothered getting the lights out tonight.

Thanks for the help guys :)
Joe
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Bar work??

Post by Trickster »

When you said that you wanted Bar work... i thought you wanted to DO some work!! :D
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Post by HeathGQ »

five cougars thanks
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Post by bj on roids »

cross brace your main hoop, and try not to bend those rear stays.
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Post by JoeLux »

cross brace your main hoop, and try not to bend those rear stays.


Bending the rear stays will make it weaker I'm guessing?

Only thing is, I dont think my new 90L esky would fit under straight ones... And remember i am a lux driver so I dont do no trip without my esky :lol:
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Post by Trickster »

Where's my Stella? :finger: I ordered it ages ago!!!! :D
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