Toymods Car Club Inc: Tech & Conversions => Electronic Anti-Corrosion System

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oldcorollas
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Kita-Ku, Sapporo, Japan
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January 2003

Re: Electronic Anti-Corrosion System	Fri, 27 May 2005 00:26

i love the replies like... "my car is 2-5 years old, has this system fitted and hasn't rusted, so it must work!!" you can still pick up 30 year old cars which have not rusted, simply because they have been well looked after (ie wash off dirt, keep reapplying fishoil etc) as far as gal goes.. with a galvanised iron roof, for example, the whole thing is coated.. when you get a scratch in the zinc, the zinc/iron area ratio is very large, so the zince effectively protects the iron. (and since the corrosion happens when wet, the whole sheet is conductive as such) when you have just a small block (and no electrolyte) it will only protect a small area around the block. now the prob with cars is that most of the metal is painted! this means that mots of the metal is insulated, and when you get a scratch, you set up an effective corrosion cell. even if you had a block of zinc, if it was not electrically coupled to the scratch, it's not going to do squat.. if the car was always wet, both inside and out, then it might work. anyway, imho, the best thin gyou can do for an old car is to treat it with fishoil/wax and exclude the water and oxygen from the corossion process. remember with all these 'electron impression etc" devices, that all the panels of you car are connected to the battery, and because of this, it's difficult to 'build up' electrons in the panels, as they always have somewhere to go... even if it did work the way they say, localised corossion cells at crack int he paint will still occur, simply because the activation energy there will be higher than any energy barrier you produce.. so you will still get the same problem corrosion at joins/bends in the body work...... meh... [Report message to a moderator]

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