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Roll cage

idiotmobil
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01 Jun 2014 08:46 #116816 by idiotmobil

Replied by idiotmobil on topic Roll cage

Look up a program call tubemeter bloody good for notching tube

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Bigjim91
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01 Jun 2014 09:26 #116819 by Bigjim91

Replied by Bigjim91 on topic Roll cage

Notching?

I got a pipe bender

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Dave cc
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01 Jun 2014 12:08 - 01 Jun 2014 12:43 #116822 by Dave cc

Replied by Dave cc on topic Roll cage

You need to notch ends where they fit to other tubes what tube bender are you going to use or are you talking about a pipe bender ie a bottle jack and former in a frame ?

top picture is pipe bent in a cheap bending frame as machine mart sell 2nd picture CDS tube bent in a pro bend 105 also tube cannot be bent in the cheap benders pipe can sort of but results vary hugely due to the diffence in quality of the pipe

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Last edit: 01 Jun 2014 12:43 by Dave cc.

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idiotmobil
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01 Jun 2014 16:01 #116825 by idiotmobil

Replied by idiotmobil on topic Roll cage

www.ozhpv.org.au/shed/tubemiter.htm

heres the program for notching very handy

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Bigjim91
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01 Jun 2014 17:58 - 01 Jun 2014 18:03 #116832 by Bigjim91

Replied by Bigjim91 on topic Roll cage

Got a proper bender and I'm buying cds tube. Is an arc welder any good for it and at wat amps??

Last edit: 01 Jun 2014 18:03 by Bigjim91.

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TomDK
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01 Jun 2014 18:50 #116836 by TomDK

Replied by TomDK on topic Roll cage

steffan wrote:
TomDK wrote:
Bigjim91 wrote: I've managed tot hold of aload of galvanised scaf poles, one know is it ok, strong enough, easy to bend, for a roll cage/traybak round my Jim?

You'll need to come up with some more details. But in general, no. Not suitable for rollcage use. But if it's just for a simple external cage to protect the body, it's fine. Just not good enough for a cage to protect you and others. For that you'll need CDS tubing 45 x2 mm or T45 tube.
Don't fia roll cages need to be 3mm thick that was my understanding it should also have cross braces to prevent twisting

Who's talking about FIA?
You don't need FIA approved rollcage for any type of competition we do. But most must follow MSA regs.

Think I was a bit wrong though. It's 45x2,5 or 3,0 mm, can't remember. Or better yet 50x2 mm. But much harder to bend.

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Roll cage

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