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Thread: Very good way to remove rust
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21st January 2014, 10:04 AM #1Senior Member
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Very good way to remove rust
A friend was telling how they remove rust in vintage car club using mango and water To get started you need 6-8 mangoes rotten or ripe is fine add 9-10 litres water let them ferment for a couple of weeks covered after that simply place items in if oily or covered in grease wash with degreaser this mix removes paint easily
I saw a old Holden jack that was frozen after in the mix for abut two weeks turned freely . But word of caution it will eat cast iron or strip galvanise if left to long in the mix and must use plastic not metal bucket give it go you will impressed
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21st January 2014 10:04 AM # ADSGoogle Adsense Advertisement
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21st January 2014, 11:20 AM #2.
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Sounds like a waste of mangoes to me.
The reason this works is because mangoes contain citric acid which is also found in most fruit. Mangoes contain relatively little citric acid which is probably why so many are needed. The 6-8 mangoes could probably be replaced with one lemon.
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21st January 2014, 11:57 AM #3Member
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Or use electrolysis
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21st January 2014, 04:17 PM #4GOLD MEMBER
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Sounds liek a great idea. Even if lemons are better, at this time of the year I have access to many hundreds if mangoes, most of which are half eaten and then thrown on the ground. Might be something useful to do with them all rather than just throw them away.
The other day I described to my daughter how to find something in the garage by saying "It's right near my big saw". A few minutes later she came back to ask: "Do you mean the black one, the green one, or the blue one?".
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21st January 2014, 05:24 PM #5Retired
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At $8 a mango (here) that jack must be bloody hard to replace....
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21st January 2014, 06:20 PM #6SENIOR MEMBER
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Wow, that's a lot for a mango. Never more than $2 in South Oz.
I read that you can use molasses or even old pumpkins to ferment down to form citric acid.
Plenty of videos showing this works (slowly) or you can go fast and use electrolysis.
I prefer the latter.
No mangos required
RobThe worst that can happen is you will fail.
But at least you tried.
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21st January 2014, 07:31 PM #7.
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21st January 2014, 10:02 PM #8
Yup, good old vinegar, you can buy cleaning vinegar in a 2 litre bottle at the supermarket or Bunnies for less than $3 a litre.
Ready to go when you want it & it doesn't stink.Cliff.
If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.
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21st January 2014, 10:36 PM #91915 17"x50" LeBlond heavy duty Lathe, 24" Queen city shaper, 1970's G Vernier FV.3.TO Universal Mill, 1958 Blohm HFS 6 surface grinder, 1942 Rivett 715 Lathe, 14"x40" Antrac Lathe, Startrite H225 Bandsaw, 1949 Hercus Camelback Drill press, 1947 Holbrook C10 Lathe.
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22nd January 2014, 07:47 AM #10Turning useful pieces of steel into scrap metal.
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22nd January 2014, 07:58 AM #11Senior Member
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22nd January 2014, 09:03 AM #12
I have three old steel objects, A jenny wheel with hook, a bench press ( you know, a heavy steel frame with a cause threaded plunger with handle), and a base for a rotary chuck (I think thats what it is) On the week end I mixed up 18 litres of molasses and water. I read where it should sit for 3 weeks to ferment. Well nothing seemed to be happening so I dumped the rusty stuff in. Yesterday when I looked the surface had some froth on top. The plastic drum that contains the mix is right at the front of the shed and at the moment there is the sweet smell of molasses when I walk past. It reminds me of a visit to a sugar mill 40 years ago
Just do it!
Kind regards Rod
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22nd January 2014, 09:48 AM #13Senior Member
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It is just too slow and messy that way . https://www.youtube.com/results?sear...ing+soda&sm=12
Feed the molasses to the cattle not the rust .The volume of a pizza of thickness 'a' and radius 'z' is given by pi z z a.
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22nd January 2014, 04:24 PM #14
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22nd January 2014, 11:54 PM #15Senior Member
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