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Rust removal blog from Model Engineering site
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JammeiM
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April 18, 2017 - 11:29 am
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** Please log in to view **

 

Should link not work, go to ** Please log in to view ** and click on Any Chemists (Rust)

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cocorico
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April 18, 2017 - 11:42 am
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Fair enough - but at that price I think I'll stick to white vinegar or electrolysis using weak caustic. Neither will affect the base steel if used normally, and are a lot cheaper.

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johnsullivan
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April 18, 2017 - 4:35 pm
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molasses is a chelating agent about as inoffensive to the metal as you can get ,slow though.It is well suited to thin items such as lawn mover engine shields which filligree so readily if treated harshly.Citric acid is my weapon of choice in the battle against the tin moth.

67 D10. and a D7    2007 Honda Hornet FA. Honda CD200 81 93 Yamaha TTR 250 Raid, Sinnis SC 125.   75 Montesa Cota 247 an electric scooter of Famous make.

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colk2004
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April 18, 2017 - 9:12 pm
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I'll stick to Evapo-rust thank you. Needs leaving longer than the instructions say but has done a lovely job on the parts on my FB. Quick scrub to get the crud off then chuck in the tub and leave - when it's totally black chuck out and start again with a fresh batch. Next step is to learn to plate the parts.

Cheers Col

BSA Bantam D10 so so near, and moved up the list again. FB Falcon 87 reg number applied for. Ariel Arrow now on the go! MZ125 running, Royal Enfield Classic love it, campervan done to tow some of the above! 1.5 Velo LE in bits!

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Shuggie
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April 19, 2017 - 11:45 pm
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Phosphoric acid is the stuff of choice.  Kills and converts.

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cocorico
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April 20, 2017 - 7:43 am
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There you go then - plenty of weapons are available in the fight against rust. I guess it's up to you to choose which you are happiest with.

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Mags 1
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April 20, 2017 - 1:34 pm
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THe "Rust Removal Olympics" by Lyle Peterson, otherwise Tubal Cain, or Mr Pete222 is an ex school shop teacher and offers everything from electrolysis to molasses and citric acid etc. he has a very engaging way of putting things across, I think.

 t=477s

Four now on the road and at least several in bits.

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mike p5xbx
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April 20, 2017 - 5:34 pm
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Lots of different rust remedies all with some good and bad points, but for inside petrol tanks!
molasses and the like all leave a sticky residue in the tank as stated above, which is not easy to remove, Lord help you is any of that gets in your carb jets
electrolysis works quite well but you also have to also use something to stop the nice new bear metal rusting almost immediately, same goes for most acids Vinegar (Acetic acid) etc.
I use Phosphoric Acid (81%) diluted 50pc results speak for themselves
Top old rusty nail, bottom after treatment and left outside in the rain for over a year.

nailposacid.jpg

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cocorico
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April 20, 2017 - 9:05 pm
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mike p5xbx said
... old rusty nail, bottom after treatment and left outside in the rain for over a year.
  

That's no way to describe your bike! winkImpressive result.

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colk2004
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April 20, 2017 - 9:25 pm
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As an aside this Tubal Cain isn't to be confused with the 'real' Tubal Cain - Tom Walshaw. Tom W was a model engineering hero of mine (and Stan Bray) and I've got every book he's ever written (not that many so not so impressive). But it irks me that after Toms death some one else is using the moniker and whilst he's good he isn't a patch on the real thing! ** Please log in to view ** . Sort of like AJS, Britain and the new Chinese AJS.

Cheers Col

BSA Bantam D10 so so near, and moved up the list again. FB Falcon 87 reg number applied for. Ariel Arrow now on the go! MZ125 running, Royal Enfield Classic love it, campervan done to tow some of the above! 1.5 Velo LE in bits!

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Mags 1
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April 21, 2017 - 6:53 pm
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Col, neither are the original Tubal Cain of course, he was a biblical character.

Over 800 machining and tool type videos from a man in his mid eighties is rather good I thought, whatever he calls himself.

I remember the English TB from old Model Engineer magazines, the American one has made it clear he's not him, many times too in many of his videos.

Youtube videos are probably the new 'books'?

Four now on the road and at least several in bits.

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