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From: Keith GD
Location: Logan, UT
email:
Remote Name: 129.123.63.33
Date: 08.29.06
Time: 06:57:13 PM
I wonder if you mean sacrificial anodes. Wikipedia has a brief explanation http://en.wikipedia.org/wiki/Sacrificial_anode Here's a good shot of them on the Cougar Ace when it was heeled over recently (they are the numerous small, light-colored rectangles attached to the rudder and propeller shaft): http://www.dec.state.ak.us/spar/perp/response/sum_fy07/060728201/images/orig/060728201_p015.jpg
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