Home Made Stick welder?

Old 08-20-13, 09:15 PM
hoary's Avatar
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Join Date: Jun 2008
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Red face Home Made Stick welder?

I see this guy on you-tube;
Grant Thompson, the King of Random.
With his home made stick welder.
He has lot's of interesting tools as well.

As well as a home made spot welder.
I need a Spot welder to make a battery pack for my Battery powered drill.

Have any of you made this Home made Stick welder?
Occasionally I need one. I have a Big TV set with a couple transformers in it.
Don't know what else I might come up with.

Have we had this on the forum in the past?
I'd like to be able to study some plans.
Old 08-21-13, 09:04 AM
Join Date: Nov 2007
Location: MI
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I just spent most of my lunch break watching several of his videos. Lots of useful stuff on his channel. I think the spot welder would be a great project.

FWIW I've rebuilt a few battery packs and so far I haven't needed a spot welder. The tabs or battery ends are tin plated and can be soldered with an ordinary electronics soldering iron & a large-ish tip. It helps greatly to pre-tin the batteries and bridging tabs with solder & flux before trying to daisy-chain the batteries together. Once pre-tinned, the terminals solder together easy & if your iron has enough wattage and contact the solder will flow out smooth.

Bridging tabs can be made from a strip of thin brass from a hobby shop or perhaps copper foil from a stained glass supply. I've also used small braided grounding strap, desoldering braid, or small bits of bare wire.

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