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Old 06-14-2009, 02:12 PM   #1
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Default Homebrew Third Hand

I'm getting ready to braze up my first tube chassis and figured I'd need some extra hands to hold things in place, so I built some third hand tools out of stuff I had laying around. There was another how to post about this subject recently, but those were made out of plastic and would not have been useful for brazing. So here is what I came up with. Very easy to make the pics should explain it all.

I used some heavy-duty alligator clips, 1/4" shaft collars, heavy gauge solid copper wire, and some scrap metal. Make sure to strip all the insulation off of the copper wire. The shaft collars make a strong heat proof connection for the alligator clip.
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Last edited by toybuilder; 06-15-2009 at 02:49 PM.
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Old 06-14-2009, 04:36 PM   #2
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Mmmmmmm.......Homebrew! :-P

Cool idea.....I'm going to make up a set of these too.
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Old 06-15-2009, 09:09 AM   #3
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I love it!

Making one today except I will just solder my clips to the wire
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Old 06-15-2009, 09:17 AM   #4
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If you solder the clips on, they will probably come unsoldered as you heat up the tubing.
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Old 06-15-2009, 09:42 AM   #5
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Quote:
Originally Posted by JohnRobHolmes View Post
If you solder the clips on, they will probably come unsoldered as you heat up the tubing.
Yes. I tried it that way first, I had to scrounge up the shaft collars after the soldered clip fell off. It takes a lot less heat to solder the clip to the wire than it does to braze brakeline. Soldering it on may work if you are careful about where you clamp your work piece and where you direct the heat while brazing, but the shaft collar is fool proof.
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Old 06-15-2009, 09:43 AM   #6
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Quote:
Originally Posted by JohnRobHolmes View Post
If you solder the clips on, they will probably come unsoldered as you heat up the tubing.
I just look at the pictures, so I didn't read the part about building tubers

I will use mine mostly for holding electrical wires
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Old 06-15-2009, 11:25 AM   #7
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I just look at the pictures, so I didn't read

That's how I got through drivers ed.
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Old 06-15-2009, 02:46 PM   #8
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Quote:
Originally Posted by JohnRobHolmes View Post
If you solder the clips on, they will probably come unsoldered as you heat up the tubing.
Too much heat in this application, the clips will unsolder themselves long before you can get hot enough to braze brakeline.

Those collars will act as heatsinks...
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Old 06-15-2009, 04:38 PM   #9
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Was thinking of doing something very similar but using some cheapie flat magnets with holes in the center from Harbor Freight as a base for each "hand". Granted, I have a metal desk top. Could not decide on how to make the "hands" bend and conform, looks like you solved that mystery for me.
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Old 06-15-2009, 06:59 PM   #10
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Love the wire idea!! I guess I'll be lookin for some wire tomorrow

Thanks for the idea.

Phil
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Old 06-15-2009, 11:47 PM   #11
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i might half 2 make 1 now. good work
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Old 06-18-2009, 10:16 PM   #12
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Now that is slick, I need one for doing Deans Soldering. Thanks for the pics and writeup!
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Old 06-19-2009, 07:05 AM   #13
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Thanks for this tip. I picked up some copper wire yesterday from a house we are doing and will be getting everything else I need from the LHS today. This will really help with soldering deans and on my first tube chassis..
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Old 06-22-2009, 08:29 PM   #14
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I got mine made finally......they are a bit long but I figured I could always trim them down. I also need to add some weight to the base....this was all I had in the shop. I plan to fill the bottoms with lead so that they will be a bit more stable. Thanks again Clint......great idea

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Old 06-22-2009, 09:13 PM   #15
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Quote:
Originally Posted by C*H*U*D View Post
I got mine made finally......they are a bit long but I figured I could always trim them down. I also need to add some weight to the base....this was all I had in the shop. I plan to fill the bottoms with lead so that they will be a bit more stable. Thanks again Clint......great idea
Nice work! Way more adjustable than the commercial variety, and cheaper too!
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Old 02-25-2011, 09:31 AM   #16
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braze the clips to the copper wire not solder them ..........bob

....
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Old 02-25-2011, 09:43 AM   #17
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Get the clip too hot and you'll ruin the springs inside. I killed two so far building my tuber. I like the collar better for the fact that it's easier to replace the clips
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Old 02-25-2011, 09:56 AM   #18
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Get the clip too hot and you'll ruin the springs inside. I killed two so far building my tuber. I like the collar better for the fact that it's easier to replace the clips
Exactly the reason they were made that way
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Old 02-25-2011, 10:37 AM   #19
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Quote:
Originally Posted by C*H*U*D View Post
I got mine made finally......they are a bit long but I figured I could always trim them down. I also need to add some weight to the base....this was all I had in the shop. I plan to fill the bottoms with lead so that they will be a bit more stable. Thanks again Clint......great idea

Where did you get the USMC Hood? Love it !!

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Old 02-25-2011, 12:02 PM   #20
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He made it. Here is a link to the build thread:

Yet another PSC Build
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