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Old 07-06-2005, 07:47 AM
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brake line update

The only way to bend brake line tubing. Needing a very short bend for the 27 brought to mind a improvement on the water filled line trick. I adapted my 4 ton portopower to fit the brake line. After filling the line full of jack fluid, I capped the end and pressurised the line to all the pump would pump. That figures out to about 2000psi. I experimented a bit and found I could wrap the 3/16 line around a 1/4" rod with no collapsing or kinking. Kind of a poormans mandrel bending.

DOWNSIDE At this pressure, a failure could do personal injury. Be sure to wear protective gloves and eye protection.

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Old 07-06-2005, 12:37 PM
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Quote:
Originally Posted by 61bone
The only way to bend brake line tubing. Needing a very short bend for the 27 brought to mind a improvement on the water filled line trick. I adapted my 4 ton portopower to fit the brake line. After filling the line full of jack fluid, I capped the end and pressurised the line to all the pump would pump. That figures out to about 2000psi. I experimented a bit and found I could wrap the 3/16 line around a 1/4" rod with no collapsing or kinking. Kind of a poormans mandrel bending.

DOWNSIDE At this pressure, a failure could do personal injury. Be sure to wear protective gloves and eye protection.
Sounds like fun. I can't say I have ever needed a bend that sharp but it might come in handy sometime.

Just make sure you clean out all that hydraulic fluid real well.
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Old 07-06-2005, 02:39 PM
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I use these.........they work great and are inexpensive to buy....I can get over 90 degrees with mine.....

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Old 07-06-2005, 04:29 PM
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[QUOTE=DeuceI can get over 90 degrees with mine.....

[/QUOTE] I can swing 360 dg and more on a 1/8" radius with the pressurised line, not that that is useful. What is, is that you can make any bend you would like with no problems.
I find most benders slightly flatten the line and don't make as tight of bend as I like.
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Old 07-06-2005, 07:02 PM
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I'll keep that trick in mind too.
I was watching on television the making of trumpets, and they would fill the tube with water and freeze it to keep it from kinking.
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Old 07-07-2005, 04:42 AM
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NOS, yes the nitrous people make a handy little bender that will do really tight radius bends on small diameter tubing. I used it on my 3/16" SS brake lines on my 34.

Vince
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