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Heavy Metal. Rust Removal and plating

Discussion in 'The Garage' started by Jim, Dec 25, 2019.

  1. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    In our case, steel. And let's face it, these bikes are old... that's part of their charm. But with that age comes rust. Yes... the dreaded "R" word. :rolleyes: What's the best way to deal with rust? I have my methods and opinions. But then, you know what they say... the three most abundant elements in the Universe are hydrogen, opinions and stupidity. When it comes to rust removal I want "just the facts ma'am".
    Well, here ya go. A well made video with quantitative results of various methods of rust removal from a gent from New Zealand. Enjoy.
    Pssst.... vinegar is snake oil. ;)

     
    MaxPete, GLJ, gggGary and 4 others like this.
  2. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    He also gives a dead simple how-to on electroplating. De-rust your rusty hardware/brackets and give 'em a good nickle finish.

     
    MaxPete, jetmechmarty, GLJ and 6 others like this.
  3. Beags64

    Beags64 XS650 Junkie Top Contributor

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    Interesting, if the plating solution is that easy to DIY that may need some experimentation. Start with some small bits and see what happens.
     
    MaxPete, Jim and gggGary like this.
  4. Bewarethemoon

    Bewarethemoon XS650 Addict XS650.com Supporter

    Just watched the first video you posted in it’s entirety Jim, seems to me that to remove all rust from the inside of a tank I want to be using either Evaporust or Electrolysis?

    Would it be a good idea to drop some small nuts/ball bearings into the tank and give them a good shake around prior to any treatment?
     
    gggGary, MaxPete and Jim like this.
  5. solo2racr

    solo2racr Suck, Squeeze, Bang, Blow

    Been there, done that. With the Evapo-Rust. As well as freeing a frozen (piston rings rusted to the bore) engine. GREAT STUFF!!!
     
    MaxPete and gggGary like this.
  6. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Yeah, if it's crusty/scaly rust in there... whatever you can do to remove that first will help with whatever treatment you try.
     
    gggGary and MaxPete like this.
  7. Bewarethemoon

    Bewarethemoon XS650 Addict XS650.com Supporter

    I’ve seen guys mention using old chain, we have heaps of old chainsaw chains at our yard, I’m sure these will do a good job?

    I think I’m going to try Electrolysis, people to seem to have positive results and it doesn’t harm the steel which I think is imperative in my case.
     
    Mailman and Jim like this.
  8. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

  9. timbeck

    timbeck XS650 Junkie XS650.com Supporter

  10. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Plugged the 9V charger in and it promptly tripped the circuit breaker on the power strip. It's dead now. I don't get it, it was only 'bout 25yrs old.... :rolleyes:
    Anyway.... found a Motorola 5.0V USB charger... 1150Ma.... It works.

    charger.jpg

    Here's the tank. 3qts white vinegar and a heaping tablespoon of salt.

    plate tank.jpg

    Bubbles on the negative side is a positive development....;)

    bubbles.jpg
     
    MaxPete, Mailman, Raymondo and 3 others like this.
  11. Downeaster

    Downeaster Everything in XS Top Contributor

    Must've dozed off for a second there...what're we plating?
     
  12. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    These for starters. Brackets to lock the backrest.

    brackets.jpg
     
  13. Beags64

    Beags64 XS650 Junkie Top Contributor

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    Watchin' this fo' sho'! :geek:
     
    gggGary and Jim like this.
  14. Downeaster

    Downeaster Everything in XS Top Contributor

    Ah. Cuz we started out talking about de-rusting tanks and I'm easily confused...
     
  15. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Brackets have a fair amount of light pitting.

    pitted.jpg

    Into a 31% solution of hydrochloric acid.

    acid bath.jpg

    10 min. later... yes, that's not a typo, ten minutes and into a hot water bath. And here we are...

    clean.jpg

    done..jpg

    I'm just doing this for corrosion protection, so I'll prolly just plate 'em as is without polishing first. They're small and fiddley, and this is more or less a proof of concept try anyway.
     
  16. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    2 hrs in and we're finally starting to pick up a slight greenish hue to the solution.

    2hrs.jpg
     
    MaxPete, gggGary, GLJ and 1 other person like this.
  17. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Was curious how my current draw compared to the video. He was getting about 150Ma. I'm pullin over 500Ma. :yikes: Perhaps I was a little overzealous with the salt? Not sure if that's a good or bad thing... bein' as how this is my first try and all... :rolleyes:

    current draw.jpg

    3hrs in and it's now a nice green. And we're off and runnin'.

     
    MaxPete, Mailman, gggGary and 4 others like this.
  18. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    So, after 30 min, I couldn't really tell if it was plating. So I went a full hour. Since I started with dull, unpolished pieces... I wound up with dull, unpolished pieces. In fact, they look identical to when I started. Just to make sure the plating took, I put 'em in a water soaked rag for about a half an hr. No surface rust or discoloration showed up so yeah... they're definitely nickel plated. They'll work for what I need... which is corrosion protection.

    plated.jpg

    plated2.jpg


    I'm currently plating another piece that I gave a cursory shine to and then suspended it half in/out of the plating solution. We'll see what happens.
     
    MaxPete, Mailman and jetmechmarty like this.
  19. Jim

    Jim Beyond the edge, is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Wood drill bit that I shined up (sorta :rolleyes: ) with a red scotchbrite pad. 20 min cook. You can definitely see the nickel plate.

    wood bit.jpg
     
    MaxPete, Mailman, GLJ and 3 others like this.

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