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To: E. Charters who wrote (23945)11/13/2003 6:37:05 AM
From: Condor  Read Replies (1) | Respond to of 39344
 
Another thing I have never understood is why they do not use sacrificial anodes on cars, of magnesium like they do on pipelines, or active galvanic protection like they do on ships. Make the car a cathode (negative pole of a battery -36 volts to vehicle, no return) and it cannot corrode.

They have an anode on an boat outboard motor I have and I understand it is to prevent corrosion in salt water use.