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#11
17-08-05, 06:47
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Hi this is a great thread. I am going to try the electrolysis method.
I used myriatic acid soloution to clean an M38A1 fuel tank. It ate the rust instantly (wear a mask and goggles) and discovered every pinhole or potential pinhole in the tank. After a good soaking (15 min) I flushed it out with copious ammounts of water and sloshed it out with methyl hydrate. I repaired the pinholes and the tank is working great to this day. Just a note on phosphoric acid, I used to work in a chemical fertilizer plant many years ago and this acid was used to make the fertilizer. Nothing rusted. The acid tended to solidify into a kind of muck and if you left your shovel stuck halfway in it for a couple of days and then gave the handle a pull the blade would snap off clean at the level of the acid mud. It really embrittled the steel. SteveJ 43 GPW 52 M38CDN W/W 53 M100 CDN 
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