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Author Topic: stray current in marina  (Read 318 times)
Black_Diamond
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Location: Lake Michigan - Holland, MI
Boat: 2003 Rinker 342
Boat name: Black Diamond
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« on: January 14, 2012, 02:57:42 PM »
For the first time Ihad some corrosion on my bravo III drives when I pulled out.  All the zincs were new, drives were overhauled and repainted.  Thinking I have some 'new' stray electrical current in the slip.  What's a good way to check this?
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2003 342 "Black Diamond"
mgm342
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« Reply #1 on: January 19, 2012, 09:50:06 PM »
Black Diamond,
Did you add drive showers and if so when. I added a pair last season and guess what corrsion on both drives.
 Found an article on the internet it states any addition of stainless hardware additional anodes should be
added or install new ones.
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Black_Diamond
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Location: Lake Michigan - Holland, MI
Boat: 2003 Rinker 342
Boat name: Black Diamond
Posts: 1473


Ski hard - Play hard


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« Reply #2 on: January 21, 2012, 03:40:58 AM »
I did install drive showers.  Also all new anodes and added on the prop nut one too (was never on originally).  I rather suspect the drive showers..not sure what else I can add on for anodes?
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2003 342 "Black Diamond"
hanzelvh
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Location: Netherlands
Boat: Rinker 280EC
Boat name: BiXmile
Posts: 147
« Reply #3 on: January 21, 2012, 10:28:31 AM »
Hi Black Diamond,

What type of zincs did you use and what water are you in?
I have had same on a new boat, original zincs on fresh water, after half a year corrosion on the drives.
Checked things and found out that I needed Aluminium "zincs" (anodes) on my water, installed it and no problem any more.

Hans
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BiXmile (2007 280 EC with Volvo Penta D4)
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