Extending the life of rusty steel work

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Extending the life of rusty steel work
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T.G

Joined: 13 Sep 2009
Posts: 7280
Location: Somewhere you're not

Posted: Mon May 31, 10 9:37 pm Post subject:
Dude ... unfortunately, I'm sure Iï¿½d scare myself half to death if I attempted to have a play at this... Iï¿½d need a responsible adult holding my hand

toggle

Joined: 30 Dec 2006
Posts: 11622
Location: truro

Posted: Mon May 31, 10 9:37 pm Post subject:

The.Grange wrote:

Dude

... unfortunately, I'm sure Iï¿½d scare myself half to death if I attempted to have a play at this... Iï¿½d need a responsible adult holding my hand

it's not that hard.

they had us doing similar in gcse chem

just very nice to see someone putting it all into practice

vegplot

Joined: 19 Apr 2007
Posts: 21301
Location: Bethesda, Gwynedd

Posted: Mon May 31, 10 9:40 pm Post subject:

The.Grange wrote:

Dude

... unfortunately, I'm sure Iï¿½d scare myself half to death if I attempted to have a play at this... Iï¿½d need a responsible adult holding my hand

It's very straight forward and as it uses low voltage leccy, it's very safe unless you get do something silly with the chemics. What drove me to do it was seeing the stuff people routinely throw away that has a lot of life (and embodied energy) in it especially steel work.

T.G

Joined: 13 Sep 2009
Posts: 7280
Location: Somewhere you're not

Posted: Mon May 31, 10 9:41 pm Post subject:

toggle wrote:

The.Grange wrote:

Dude

... unfortunately, I'm sure Iï¿½d scare myself half to death if I attempted to have a play at this... Iï¿½d need a responsible adult holding my hand

it's not that hard.

they had us doing similar in gcse chem

just very nice to see someone putting it all into practice

probably... but most people didnt have a father who owned an electrical contractors firm and taught us the danger of electic by saying come hold this wire for me for a minute .... oh how we laughed

... dads eh! .oO0where was childline then!

12Bore

Joined: 15 Jun 2008
Posts: 9089
Location: Paddling in the Mersey

Posted: Mon May 31, 10 9:49 pm Post subject:
I remember similar fun with mates and a motorcycle HT lead

woody guthrie

Joined: 28 Jan 2009
Posts: 209
Location: Cork, Ireland

Posted: Mon May 31, 10 10:10 pm Post subject:

That's a great thing to have a go at home and I am already thinking of things to plate. I just wouldn't tell my wife what I was doing as she tends to worry about strange smells/sparks/loud bangs/blood etc. coming from the shed.

I had a similar experience with my own father who is a mechanical "genius" and will try to mend anything that breaks down or recycle it into some other use. He once set fire to my trousers when helping him weld under a car and gave my mother an electric shock after she used an electric kettle he repaired rather than throw it out. Taught me everything I know especially that great old saying "don't throw that away it will come in handy one day". Which is the main reason I can't move in the shed for old engine parts/tools from a bygone age and odd offcuts of timber.

earthyvirgo

Joined: 24 Aug 2007
Posts: 7972
Location: creating prints in the loft, Gerlan

Posted: Mon May 31, 10 10:24 pm Post subject:

woody guthrie wrote:

If you do do it. Don't do it in the shed, unless it's very well ventilated, i.e. no roof!!

The fumes, even outside were very strong. Had me coughing and spluttering just walking past the spitting, fizzing bowl of stuff.

EV

dpack

Joined: 02 Jul 2005
Posts: 46375
Location: yes

Posted: Mon May 31, 10 11:49 pm Post subject:

hcl and caustic soda and metal solutions and hydrogen have a few hazards
good ppe and hns practice is better than a comedy death

electrochemistry stuff is fun but it has dangers ,i wont give details but it is possible to use some metal ,some acid ,the correct conditions and the correct type of electric energy to produce a metal azide ,if you mean to do that fair enough if it goes bang but if one wasnt expecting it one could get a very big surprise ,as might the neighbours

some of the solutions for plating /cleaning are rather hardcore ,metal salts are pretty toxic

be careful and have fun

vegplot

Joined: 19 Apr 2007
Posts: 21301
Location: Bethesda, Gwynedd

Posted: Tue Jun 01, 10 12:10 am Post subject:
Azides can be nasty (used in air bags for explosive inflation) and don't link fingers when using potassium cyanide for your plating solution. It's one of the reasons I stuck to relatively harmless chemicals.

matt_hooks

Joined: 01 Aug 2010
Posts: 312
Location: Lambourn(ish) Berkshire

Posted: Mon Aug 09, 10 6:30 pm Post subject:
Of course everyone has vats of HCL and chunks of zinc lying about the place! Actually the zinc isn't difficult to get hold of, but the conc HCL is more of a challenge in sensible amounts!

sean
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 42219
Location: North Devon

Posted: Fri Aug 13, 10 2:59 pm Post subject:

matt_hooks wrote:

Actually the zinc isn't difficult to get hold of, but the conc HCL is more of a challenge in sensible amounts!

Hardware stores sell it, or at least our local one does.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Fri Aug 13, 10 4:31 pm Post subject:
Anyone got a recipe for doing the same, but with Chrome? Now, there's money in that...

vegplot

Joined: 19 Apr 2007
Posts: 21301
Location: Bethesda, Gwynedd

Posted: Fri Aug 13, 10 8:33 pm Post subject:

Nick wrote:

Anyone got a recipe for doing the same, but with Chrome? Now, there's money in that...

It's a very expensive business to run with high running costs and onerous waste disposal requirements. Pretty nasty chemical involved as well.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Sat Aug 14, 10 3:26 pm Post subject:
https://cgi.ebay.co.uk/Zinc-Mazak-casting-metal-/130420507641?pt=UK_Crafts_Other_Crafts_EH#ht_500wt_1154 For anyone searching for zinc. Struck me as cheap.

Hairyloon

Joined: 20 Nov 2008
Posts: 15446
Location: Today I are mostly being in Yorkshire.

Posted: Sat Aug 14, 10 7:21 pm Post subject:

Nick wrote:

https://cgi.ebay.co.uk/Zinc-Mazak-casting-metal-/130420507641?pt=UK_Crafts_Other_Crafts_EH#ht_500wt_1154

For anyone searching for zinc. Struck me as cheap.

Is anyone here wanting to buy it?
Perhaps we could refrain from bidding against each other.

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