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how do you do use electrolysis on large items?

G

Goes4ever

New member
I found that large piece of a desk in that old school yard and wondered how it would clean up, but it is like 10-12 inches long. I was wondering if a person could use something like an electric car battery charger? it already has the positive and negative clips on it. Anyone with experience on this please chime it
 
[quote robert roy]Use a large tank?:clapping:
Ok....no more smart ass stuff.:lol:
How large is large? WHat are you trying to clean up?

Robert R[/quote] hahaha RR you crack me up, did you read my post above? I said right there what I was trying to clean and it's size :rofl:
 
:crazy:NO sir! I confess I did not. But I did read your question!!:smoke:
Ok...thats not good enough, but I have an excuse.
I just got up and the brain is not connected yet to the hand or the other way around.
Anyway this must be a really interesting piece of desk! WHat is it you think, one of the old
desks from the the 1940's and 1950's. When I was in elementry school we had desks that ( I swear ) looked
like a sled on runners and we sat one behind the other, about five in a row with a desk and ink well.
I think you would be hard pressed to find one of them in use today even in the most rual of the countryside.
I bet the piece you found is from one of those desks.
DO you have a photo?

RR
 
[size=large]
hey, I don't think a car charger will be safe to use in water, I could be wrong, but that is the makings of a torture device!!!!!​
[/size]

I think it has too many amps, have you ever seen a hand tool touch both ends of a car battery, it sparks alot and it gets very hot.
 
Not to mention, if you were to touch the water, you will get a bad shock!!!!
 
if its metal and rusty, I would just use a wirebrush, and some navy jelly to clean it up. Or if you have a soda blaster or sand blaster in you town, ask how much they charge. But DON"T USE THE CAR CHARGER!!!!
 
The old desks we were useing believe it or not were from that time period.
In fact the elementry school was still useing them right up until 1960. Other class rooms had more moderen chairs
but very uncomfortable. Hope you can post a photo of the part you found.
RR
 
1. It's lower than 10 amps.
2. Nothing in the glass dish is touching metal to metal between the electrodes. Whatever is connected to the positive cannot touch whatever is connected to the negative.
3. Don't turn on the battery charger until you are certain of these conditions are correct.
4. Don't remove anything unless the battery charger is turned off or unplugged.
5. If you're scared of doing any of these things, then don't do it.
6. Don't use the high amp charger on small items like a knife or coin. Use a small charger for a discarded item like a re-chargeable razor, cell phone etc.

I use baking soda for the additive.When done rinse well and lightly oil or paint after drying.
People have been cleaning this way for years. Haven't lost any detectorist that I know of. Maybe Uncle Willy or John-Edmonton can enlighten.
HH
 
yea, I use an old cell phone charger for coins, but I have never tried to usa a large power source. I use either table salt or just distilled water for my additive.
 
electrolysis won't remove much more of the rust. You can use a bench grinder with a soft wire brush or a Dremel then polish. It will never be perfect but it will improve. Neat find in my book.
HH
 
Thats it!!!!!
Yup. Thats the design these sled like rows of desks had.
Check out this photo.....
Hard to believe these things were still in use in the 19650' and 1960's.
You can see your metal work in the photo.

Robert R
 
As an electrical engineer who used to design electrical control and distribution equipment I emplore you to not ever use a car battery or charger for your electrolysis unless you are an expert. It only takes a few miliamps to kill you if the conditions are right, that is .0001 amps. Please use caution with anything that delivers current even as small as a tenth of an amp.
 
It only takes a few miliamps to electrocute you if the conditions are right. Do not use a car battery charger. I designed electrical distribution and control equipment for 15 years and have seen what can happen if you are unaware of the risk. It only take .0001 amps to kill.
 
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