[DeTomaso] Sacrificial Zinc anode

[jderyke at aol.com]

Absolutely true; no correction necessary, Mike. Google the 'Triboelectric Series' for more info than you want on the subject of dissimilar metals in a conductive fluid. 
Cheers- J Deryke

 

 

 

-----Original Message-----
From: The Hougans <hougan at verizon.net>
To: detomaso <detomaso at poca.com>
Sent: Tue, Jan 28, 2014 9:18 pm
Subject: Re: [DeTomaso] Sacrificial Zinc anode



I’m sure I’ll get corrected, but here’s the ‘big picture’, IMHO:
 
Any two different metals placed in a fluid (your coolant) that iselectrically conductive will generate a battery. The more ‘different’ themetals (there’s a ‘chart’ that shows these differences), the ‘stronger’ thebattery.  Basically, one of the metalsgets electrochemically dissolved. Obviously, you don’t want that metal to be your radiator, or other partsof your cooling system!
So, you want to pick the most ‘reactive’ metal to be the one that gets‘eaten up’… turns out magnesium and zinc are good choices.  Therefore, you put in a drain plug that’smade out of one of those metals it becomes the ‘sacrificial anode’ of the‘battery’.
 
Hope that makes some kind of sense.
 
Mike
 
 
On Behalf Of MikeThomas
Sent: Tuesday, January 28, 20145:56 PM
To: jgkrenton at comcast.net; 'AsaJay Laughton'
Cc: detomaso at poca.com
Subject: Re: [DeTomaso]Sacrificial Zinc anode
 
OK,question from the unwashed . . . 
 
Whatdoes the zinc anode do in a cooling system?
Mike Thomas
VP, POCA
VP, Panteras Northwest
Yellow ’74 #6328


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