oldtin
oldtin UltraDork
2/23/13 11:23 p.m.

Cleaning up bits for the TR4. A few bits are pretty crusty so I thought I'd give electrolysis a whirl.
Supplies:
5 gallon bucket
Box of wash soda - 1 tablespoon per gallon of water
Power supply - 12v battery (old style car charger will work)
Jumper cables - positive to the anode/sacrificial steel, negative to the part
Sacrificial steel (anode)
Chain/electrical connection to part
Support bar
The set up

Started bubbling/fizzing after a few seconds

After a couple of hours it looked like this:

The part after a light touch up with a wire brush
Most of the big crusties are gone from the inside, but there is still some rust inside. Much better though. Here's what happened to the sacrificial steel:

Basically transfers the rust from the part to the anode. Pretty cool and virtually no effort. Plug it in and check on the part after a few hours.

Woody
Woody GRM+ Memberand MegaDork
2/24/13 4:07 a.m.

I've done a lot of this. I love it, especially for delicate metal parts.

Knurled
Knurled GRM+ Memberand UltraDork
2/24/13 7:42 a.m.

How much current do you think it needed?

I have a 2a charger, not sure if it'll be enough.

slopecarver
slopecarver Reader
2/24/13 8:28 a.m.

In reply to Knurled:

2A is enough, it will just take longer.

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