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Old 03-16-2016, 12:09 PM   #21
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Yeah, I am trying to get used to idea. I went from a Cat 36 to the Cat 400, and hopefully to the NP43.

I went from basically nothing at all and knowing nothing, to a Krogen 42 and still not knowing much. You'll do fine.

Congratulations Dave!


Jim
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Old 03-16-2016, 01:06 PM   #22
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I feel your pain Dave. I have four 5" trim zincs, two 6" rudder zincs, four 2" shaft zincs and two 6" transom plate zincs. Total cost north of $200 from West Marine. The killer is I have to replace the entire ruddy lot of them "every 90 days".
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Old 03-16-2016, 01:21 PM   #23
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It will be interesting to see how often I have to replace these (assuming the sale goes through etc...) On my current boat, I have a diver clean the bottom every 90 days and he checks the zincs each time. He replaces them when he thinks they are down "50%" which is usually about every 9-12 months.

The current owner of the boat I have an offer on, says that he has the zincs replaced every 60 days. Maybe overkill, maybe not.
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Old 03-16-2016, 04:02 PM   #24
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Originally Posted by dhays View Post
It will be interesting to see how often I have to replace these (assuming the sale goes through etc...) On my current boat, I have a diver clean the bottom every 90 days and he checks the zincs each time. He replaces them when he thinks they are down "50%" which is usually about every 9-12 months.

The current owner of the boat I have an offer on, says that he has the zincs replaced every 60 days. Maybe overkill, maybe not.
After one year of ownership I have only needed to replace one zinc. Others are still in good shape. My diver says the bowthruster prop nut zinc that he replaced typically lasts only 90 days or so. For some reason it's heavily used? Perhaps bonding tends to be poor in bowthrusters?

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Old 03-16-2016, 05:07 PM   #25
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A good SOP is to replace yearly know matter what in salt water. Looks can be deceiving.
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Old 03-16-2016, 05:15 PM   #26
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My parts guy prices stuff by the Troy Ounce and wears a jewelry loupe.
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