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Idea for extending copper fuel lines, etc.


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Old 07-21-2019, 11:35:45 PM
Pete Spaco Pete Spaco is offline
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Default Idea for extending copper fuel lines, etc.

Here's a short video for a method of extending copper tubing without having to buy any fittings.
It's not my original idea, but I hadn't heard of it until recently:
https://youtu.be/4mt3Afy4QYI

Pete Stanaitis
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Old 07-22-2019, 12:08:03 AM
Vanman Vanman is offline
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Default Re: Idea for extending copper fuel lines, etc.

Nice and neat method! Think I've seen that on refrigeration stuff. The voice and the subject seem familiar. I'm pretty sure this fellow is also a fellow Smokstakker.

Keith
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Old 07-22-2019, 06:42:59 AM
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grub54891 grub54891 is offline
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Default Re: Idea for extending copper fuel lines, etc.

Ya know I have some of them swaging tools. Not sure what they were, someone told me they were for refrigeration, but I didn't know how they were used. Thought they would make good punches, now maby not!
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Old 07-22-2019, 07:28:21 AM
cobbadog cobbadog is offline
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Default Re: Idea for extending copper fuel lines, etc.

That swaging tool that held the pipe is also used with the correct dies to flare brake lines for cars but was only a single flair and they are now illegal here in Oz.
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Old 07-22-2019, 05:47:29 PM
Scotty 2 Scotty 2 is offline
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Default Re: Idea for extending copper fuel lines, etc.

Hello all
Self centering copper tube expanders are easy to obtain. Use only with annealed copper.
We have a set of Ridgid expanders but I don't think they go down to 1/4". I think they're only down to 3/8.

Here is a set of flaring tools that also do the expanding. The dies would not be hard to make up if you had a lathe. Ideas for you Cobba?
https://www.ebay.com.au/itm/Flaring-....c100677.m4598

Cheers Scott
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Old 07-22-2019, 11:00:00 PM
Power Power is offline
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Default Re: Idea for extending copper fuel lines, etc.

Quote:
Originally Posted by cobbadog View Post
That swaging tool that held the pipe is also used with the correct dies to flare brake lines for cars but was only a single flair and they are now illegal here in Oz.
I have that exact one. Was my father's. He used it to make single flares on water lines, oil burner lines and refrigeration lines before sweating & brazing became popular. There are several in my house that were done in 1950's and do not leak. The nice thing about them is on copper, they can be used like a union, and will reseal perfectly.
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Old 07-23-2019, 07:14:24 AM
cobbadog cobbadog is offline
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Default Re: Idea for extending copper fuel lines, etc.

Hi Scotty, One day at a garage sale I will pick one up and then a few of those type of expander type tools and then simply soft solder / sweat them together. It is then the same as the old style capilliary joiners for copper pipe in plumbing without the solder being already inside the fitting.

I totally agree about annealing the tube before expanding as it softens the copper and is mor forgiving. Yes I am overdue for a project on the lathe but that David Brown is taking all my spare time at the moment and I am stalling off work so I can get a bit further ahead but having customers ring you and beg to fix a track and you say then bring it to me and they turn up with 4 tracks and a heap of bottom hems to sew can be upsetting to be nice about it so he was charged appropriately.
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Old 07-23-2019, 07:39:33 AM
AussieIron AussieIron is offline
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Default Re: Idea for extending copper fuel lines, etc.

We used to expand copper pipe for the same result with a hand operated expander. Had little fingers in a circle, various sized fitted into the various sized copper tube. When you pulled the two handles together a cone drove the fingers apart and expanded the tube. Used it when we made air conditioning units for tractor cabs.
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