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Electronic Vechicle Corrosion Control, Are You For Real?

NateR31

By NateR31,
in General Automotive Discussion

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midnight Experienced

midnight

Posted
Posted

you can remove rust by electrolysis with a low voltage, and aparantly it works well

but you need a solution (washing soda, baking soda or lye mixed with water) and the part has to be immersed.

so it smells like bs to me.

rs73 Grand Master

rs73

Posted
Posted

It's for those braindeads who regularly takes their car to the beach thinking its a Hovercraft... especially when their cars' brand, ehm...I mean Hovercraft, have the same starting alphabet "H" with a Hovercraft.

MANWHORE Grand Master

MANWHORE

Posted
Posted

Um, actually, any of you guys that are laughing at this device are very wrong.

It is corrosion protection by applied voltage. Corrosion is a chemical process which can be prevented by many ways. It is a reaction that requires water and oxygen. Obviously painting it or covering it so there is no oxygen will prevent corrosion.

It can also be prevented by attachign a sacrificial anode - like on big ships. A block of magnesium is attached. Same as in your big water heaters.

Applied voltage is another such method. It sets up a galvanic cell.

It's not something that you can just bung on any car. Like it's not "just a ground wire". It is a special device. All panels are linked to it. It actually works. I have tested it using cast iron.

Ford Falcon AU comes with this from the factory.

Research it before you knock it.

MK2 Experienced

MK2

Posted
Posted (edited)

About the only thing I could think of it doing would be inducing a galvanic voltage too the chassis, but that shit is normally only done too boats and stuff with a zinc surface on it.

ed- read the above guys post, he knows more about it :happy:

Edited by MK2
fat31 Community Regular

fat31

Posted
Posted
Um, actually, any of you guys that are laughing at this device are very wrong.

It is corrosion protection by applied voltage. Corrosion is a chemical process which can be prevented by many ways. It is a reaction that requires water and oxygen. Obviously painting it or covering it so there is no oxygen will prevent corrosion.

It can also be prevented by attachign a sacrificial anode - like on big ships. A block of magnesium is attached. Same as in your big water heaters.

Applied voltage is another such method. It sets up a galvanic cell.

It's not something that you can just bung on any car. Like it's not "just a ground wire". It is a special device. All panels are linked to it. It actually works. I have tested it using cast iron.

Ford Falcon AU comes with this from the factory.

Research it before you knock it.

has been researched mate there shit ive got a mate that works for batteryworld and they admit they dont work as they sell and test them
MANWHORE Grand Master

MANWHORE

Posted
Posted

Hey guys, sorry if i seemed a little rough up above.

As MK2 said, they are normally used on boats, wharves, buildings by the sea and cars in snowy areas/rainy (chemicals such as salt added to the road surface increase corrosion rate).

I dunno how good that system is. It might be total shit as you said, or it might work. Never tested it.

I have a friend that regularly works on boats, and appplied voltage is the bees knee. It works very well.

Once again, sorry.

MANWHORE Grand Master

MANWHORE

Posted
Posted

fat31, I wouldn't expect those ones that b82rz world sell to work very well, because they're cheap.

I can tell you for a fact that the one on the au falcon doesn't work very well because there is rust on one of my panels.

But if done properly, it works very well.

Cheers

xRHETTx Mentor

xRHETTx

Posted
Posted

Nate you obviosly didn't do chemistry in High School?

This was covered in my year 12 chemistry class, and it works. And that was 7 years ago now.

Rhett

NateR31 Grand Master

NateR31

Posted
  • Author
Posted
Nate you obviosly didn't do chemistry in High School?

This was covered in my year 12 chemistry class, and it works. And that was 7 years ago now.

Rhett

obviously not, as i popped this thing open today, and all that was in it was a small circut board with some resistors to make the lights blink.

Big Rizza Mentor

Big Rizza

Posted
Posted

We have cathodic protection on the oil and gas pipelines at work, which operate on the same principle. So theoretically they should work. Whether this particular one works is an entirely different story though!

Kinks Grand Master

Kinks

Posted
Posted

You have to push the red hexagonal STOP button for it to actually stop your car from rusting. It will stop your car from rusting as long as you are pushing the button. You cannot use tape to hold the button down.

Seriously though, if it was going to reduce rusting by applied voltage you need a complete circuit. Since the body of the car is connected to the battery negative, you need another surface for the positive side. This has to be connected by an electrolyte (assuming rain, in this case). So what's the missing surface?

Cubes Grand Master

Cubes

Posted
Posted
i work at toyota and they are sold to ppl when they buy a new car

its an aftermarket option like tint and fabric protector

Yep the oldies have had it on their last 2 cars.

They origionally owned an 80series landcruiser that didn't have one fitted and showed signs of rust after 3 years.

They sold it and bought a nissan patrol and had one of these gizmo's fitted, funny enough the car had rust on it from factory, it went back, they got another, that was soon traded in for a new 100series landcruiser, the old toyota 4wds definitely have it over the patrols i must say. :D

The new landcruiser also has one of these gizmos fitted, no rust yet and its 1yr old, see's salt water (boat) every weekend.

http://www.ruststop.com.au/

R33S2 Grand Master

R33S2

Posted
Posted

I did my apprenticeship on shipping, There are guys who specialise in this area (those blocks are Zinc) and get an iron block with sea cooling to have zero corrosion, They use small zinc anodes inserted into the motor cooling passages and an electrical current to protect the inner sufaces. Of course the annodes wear away reguarly and require yearly checks.

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