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Author Topic: Soft brass fuel tubbing  (Read 1160 times)

Offline steve pagano

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Soft brass fuel tubbing
« on: October 11, 2007, 09:11:49 AM »
Any body got any suggestions for bending the tubbing with out putting a kink in it? I cant seem to get it right!
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Offline john e. holliday

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Re: Soft brass fuel tubbing
« Reply #1 on: October 11, 2007, 09:15:35 AM »
Either get a good tubing bender or run the tubing thru a torch until red hot.  Then let it cool.  Try Tower Hobbies, Brodak or SIG.  Have fun,  DOC Holliday
John E. "DOC" Holliday
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Offline Louis Rankin

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Offline Andrew Hathaway

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Re: Soft brass fuel tubbing
« Reply #3 on: October 11, 2007, 09:28:31 AM »
Thread a length of weed eater line through the tube before bending.

Offline Bill Little

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Re: Soft brass fuel tubbing
« Reply #4 on: October 11, 2007, 02:25:46 PM »
I've been using weed eater line for years.  And I heat the tubing cherry red and let it cool before I bend it.

There is *soft* brass tubing.  I have been using the copper for a long time.
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Offline Jerry Olson

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Re: Soft brass fuel tubbing
« Reply #5 on: October 11, 2007, 07:40:17 PM »
I sometimes fill the tubing with fine sand, plug the ends then make the bend.  The tube will need to be flushed out before use.  A kind of variation on the weed eater string idea.  I will try that next time.
Jerry Olson
Clackamas, Oregon

Offline Keith Spriggs

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Re: Soft brass fuel tubbing
« Reply #6 on: October 11, 2007, 09:27:49 PM »
I have never tried it because I use annealed copper for any line that I have to bend, but I have heard you can fill the annealed tube with lead, make the bend(s) and then melt the lead out. The string trimmer idea sounds good. Always something new.

Offline Bellantonio Valerio

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Re: Soft brass fuel tubbing
« Reply #7 on: October 12, 2007, 05:26:06 AM »
Any body got any suggestions for bending the tubbing with out putting a kink in it? I cant seem to get it right!

If they are brass or copper proof to them over a flame, then bend them on a block of wood of shape

Offline Bob Reeves

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Re: Soft brass fuel tubbing
« Reply #8 on: October 12, 2007, 06:47:50 AM »
Best tubing bender I've used is the Harry Higley. Works great on any 1/8 tubing 90 deg bends no kinks.

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXL781&P=7

Offline rustler

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Re: Soft brass fuel tubbing
« Reply #9 on: October 12, 2007, 04:12:33 PM »
If like me you hope your tank will last a long time and possibly several models, use copper tube. Eventually even if it was softened when you made the tank, the brass tube will work or age harden and eventually split.
Ian Russell.
[I can remember the schedule o.k., the problem is remembering what was the last manoeuvre I just flew!].


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