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-   -   Bending tubing with frozen soapwater inside? (https://www.shopfloortalk.com/forums/showthread.php?t=36470)

rocketeir 12-28-2012 03:52 PM

Bending tubing with frozen soapwater inside?
 
I got this idea from "How its made". They make trombones with brass tubing and they fill the tubing with soap then freeze it. Then when they bend it it wont crush or distort. My question is have any of you heard of doing this with bigger tubing for turbo applications or something?

dubby 12-28-2012 05:18 PM

I saw that episode, and pretty sure it's available on Netflix still. Never had any reason to try it, but I always thought it might work if a feller had a way to pull it off.

monte55 12-28-2012 06:11 PM

You can google it...I did and they said water not soap. where did you get soap?

tnmike 12-28-2012 06:22 PM

I have done it with copper tubing and plain water. Made a cooling coil . Works great

H80N 12-28-2012 06:24 PM

Quote:

Originally Posted by monte55 (Post 523644)
You can google it...I did and they said water not soap. where did you get soap?

That's funny... I found soap....:rolleyes:

"Another method is make some very soapy water and fill the tube and freeze. bend while frozen. makes a nicer bend than sand and no grit to worry about in oil feed type apps. The soap make the ice bend well and not just crack up. The ice method also holds the tube walls well during as it does not shift during".

http://www.garagejournal.com/forum/a...p/t-15528.html

take a look...:devil:

http://search.yahoo.com/search;_ylt=...8&fr=yfp-t-701

rocketeir 12-28-2012 06:28 PM

yea it was soap not water.. i think water could stick to tubing where as soap could also be lube to make thing smoother

Shopmonkey 12-28-2012 06:32 PM

Wouldn't frozen water be too hard to to bend? Maybe the idea of using soapy water is that it would be more of a slush, which would bend, but still keep the tube from kinking on the bends.

H80N 12-28-2012 06:35 PM

Quote:

Originally Posted by rocketeir (Post 523647)
yea it was soap not water.. i think water could stick to tubing where as soap could also be lube to make thing smoother

Makes sense...Soap ice might be more popsicle consistancy.. supporting the walls better for the bend.. in smaller increments than regular ice that might break more coarsely...

on turbo tubing bends... I have been buying them prebent..... there is some pretty decent tube bends on fleabay for good prices... to TIG together

H80N 12-28-2012 06:37 PM

Quote:

Originally Posted by Shopmonkey (Post 523650)
Wouldn't frozen water be too hard to to bend? Maybe the idea of using soapy water is that it would be more of a slush, which would bend, but still keep the tube from kinking on the bends.

Bingo... we both came to the same conclusion...

you posted just ahead of me... :)

Shopmonkey 12-28-2012 06:42 PM

Probably not good for trombone tube, but I know some tubing has been bent by packing it full of sand, capping the ends, and making the bend that way. I think DRY sand is in order for that operation.

H80, great minds, huh? ;)


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