Electrolysis

eztbone

Lieutenant Commander
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May 22, 2012
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Location
Marblehead
Boat Make
Holland 38
Ok so I am pulling the prop off to get conditioned and I believe I am dealing with some electrolysis. I bought this boat (38 holland) end of June in Rockland, Me and part of the commisioning of the boat (by the broker) was to install zincs, including prop nut zinc. It as never done and I dove on the boat to do it myself and was unable to underwater, for whatever reason. Anyhow this what I am dealing with. Thoughts?

prop1.jpg

prop2.jpg

prop3.jpg
 

eztbone

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May 22, 2012
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Marblehead
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Holland 38
I agree. Thanks for the input. I have some investigating to do.
 

captainlarry84

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Sep 13, 2011
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KristenFormer Charter Captain
This is the way Duffy adds more zinc to help prevent electrotisis. Excellent for boats with fiberglass rudders.

Picture 4866.jpg
 

tomy

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Sep 5, 2011
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36 Wayne Beal
Like that idea Capt! will install in spring. What is that zink on bottom of skeg grounded too? can't see in picture?
 

cb34

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Oct 31, 2011
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collar zinc

Why didn't they just put on a collar zinc on the rudder post? seems simple
 

captainlarry84

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KristenFormer Charter Captain
It is bonded to the shoe which holds the rudder post. The block is where you need it and works much better that the transom zincs.

The rudder post is only 1 and a donut zinc on the shaft would not be large enough to carry you through the season.
 
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