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crush tubes
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Author:  chris_mac [ Tue Sep 14, 2010 10:18 am ]
Post subject:  crush tubes
G'day

do you know where i can get some crush tubes from? I need few for chassis. 10-14mm OD. as usually is to much to ask for in bunnings, they have 16 ODmm steel pipes and 12mm OD aluminium ones. I've check some steel shops but they don't have such a small diameter pipes. copper and aluminium is probably to soft

cheers

Chris
Author:  ajsr [ Tue Sep 14, 2010 10:20 am ]
Post subject:  Re: crush tubes
whats wrong with 16mm steel pipe, use a bigger washer
Author:  BlueSuzy [ Tue Sep 14, 2010 10:44 am ]
Post subject:  Re: crush tubes
How much did u need chris? Im using tube to suit M12 bolts. 1.7mmthk wall
Author:  jonno_racing [ Tue Sep 14, 2010 12:30 pm ]
Post subject:  Re: crush tubes
i use rhs for mine
20x20x1.6 from memory. but that is in the end of the chassis for bar mounts
Author:  chris_mac [ Tue Sep 14, 2010 2:40 pm ]
Post subject:  Re: crush tubes
BlueSuzy wrote:
How much did u need chris? Im using tube to suit M12 bolts. 1.7mmthk wall


PM send
Author:  mrw82 [ Wed Sep 15, 2010 9:09 am ]
Post subject:  Re: crush tubes
try a hydraulics shop like enzed or pirtek.
Author:  BlueSuzy [ Wed Sep 15, 2010 11:00 pm ]
Post subject:  Re: crush tubes
mrw82 wrote:
try a hydraulics shop like enzed or pirtek.


Thats a good idea!
Author:  brendan [ Thu Sep 16, 2010 1:39 am ]
Post subject:  Re: crush tubes
BlueSuzy wrote:
mrw82 wrote:
try a hydraulics shop like enzed or pirtek.


Thats a good idea!


most will carry seamless tube, which cost alot more. not sure if you get it per metre or not.
Author:  chris_mac [ Thu Sep 16, 2010 12:38 pm ]
Post subject:  Re: crush tubes
thanks guys, I'll keep looking around.
Author:  PJ.zook [ Thu Sep 16, 2010 8:53 pm ]
Post subject:  Re: crush tubes
Yeh as others have said, just use steel pipe. I found some a little larger than the bolt, cut them so they are a snug fit in the rail, then shoved the bolts thru and tightened.
Author:  rick1970 [ Fri Sep 17, 2010 10:35 am ]
Post subject:  Re: crush tubes
brendan wrote:
BlueSuzy wrote:
mrw82 wrote:
try a hydraulics shop like enzed or pirtek.


Thats a good idea!


most will carry seamless tube, which cost alot more. not sure if you get it per metre or not.


They should sell it in what ever length you want. 12mm bolt is a neat fit in 16mm x 1.6 hydraulic tube.
Author:  skelaaleks [ Sun Sep 19, 2010 7:02 am ]
Post subject:  Re: crush tubes
what is a crush tube?

are you talking about the tube that goes in the centre of the rubber mounts?
Author:  brendan [ Sun Sep 19, 2010 8:07 am ]
Post subject:  Re: crush tubes
skelaaleks wrote:
what is a crush tube?

are you talking about the tube that goes in the centre of the rubber mounts?


yeah pretty much. same concept, use to stop the chassie from being pulled in.

got a question, do you have to weld them in?
Author:  ajsr [ Sun Sep 19, 2010 8:28 am ]
Post subject:  Re: crush tubes
yes
Author:  PJ.zook [ Sun Sep 19, 2010 8:52 am ]
Post subject:  Re: crush tubes
brendan wrote:
skelaaleks wrote:
what is a crush tube?

are you talking about the tube that goes in the centre of the rubber mounts?


yeah pretty much. same concept, use to stop the chassie from being pulled in.

got a question, do you have to weld them in?


No you dont have to weld them in
Author:  ajsr [ Sun Sep 19, 2010 8:59 am ]
Post subject:  Re: crush tubes
whats to stop them moving in the box section and enlargeing the holes then?
I'll keep welding mine pj :wink:
Author:  PJ.zook [ Sun Sep 19, 2010 8:00 pm ]
Post subject:  Re: crush tubes
They shouldnt really move at all should they? Mine are still as tight/solid as when I put them in.
What steel did you use out of interest?


I should then clarify, SHOULD you weld them in, yes apparently its safer.
Do you HAVE TO weld them in, no.
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