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Old 03-21-2017, 10:43 PM
NOBLNG NOBLNG is offline
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Default Rust scale removal

I made this up to chip the rust scale off my Willys fenders. I used both a 1/8" tig filler rod to get into the really tight spots and a piece of 1/4" steel rod for the more open areas. Just flatten the end a bit and spin it at 20,000 rpm. Works great! I had to support and guide it with a heavy welding glove on though, wouldn't want that rod swinging out 90 degrees at that rpm!
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Old 03-21-2017, 11:26 PM
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milomilo milomilo is online now
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Looks like it ought to work, but why not put the part in an electrolysis tank? Lots less work.
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Old 03-22-2017, 12:21 PM
NOBLNG NOBLNG is offline
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I am sure that would work fabulous, but I don't have an electrolysis tank. I do have a die grinder.
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Old 03-22-2017, 02:54 PM
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Electrolysis tank: Just dig a hole or trench, line with some heavy plastic sheet. Done deal. Depending on the condition and shape of the bumper, perhaps you could de-rust most of the interior with the bumper actually being the tank. It's not rocket surgery.

As for your descaler, I should show that to the retired proctologist up the street. He might consider getting back in business. Or at least have some fun.
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Old 03-22-2017, 04:45 PM
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I use a 55 gallon plastic barrel. Just hang the sacrificial annodes on the inside of the barrel. Paid $5 for my barrel. I use 5 lawnmower blades so there ends up being no line of sight issue.
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Old 03-27-2017, 04:59 PM
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It does not take much lumber to make a tank lined with plastic sheeting vsq. Using 2x4s and pallet lumber.

You have no idea as to how much cleaning ive done with plastic drums and kiddy pools.
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