Fred,
Good call, as usual. I installed a home-made galvanic isolator (Yandina design) a number of years ago. I can go a full season or more on a single zinc. Jake Jake Brodersen "Midnight Mistress" C&C 35 Mk-III Hampton Va cid:D1BF9853-22F7-47FB-86F2-4115CE0BAF2F From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Frederick G Street Sent: Tuesday, November 26, 2013 12:31 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List Prop pitch advice needed Joanne - if you're in fresh water, you shouldn't need anodes at all. The only reason I have one on my prop shaft is to keep it from backing out of the hull if the coupler comes loose. If you're seeing that much corrosion in fresh water, there are probably some serious electrical issues in your marina (or possibly, but less likely, on your boat). I'd have the marina bring in an electrician before someone goes for a swim and gets electrocuted; you should also have a qualified marine electrician check your inverter setup as soon as possible. It's also possible that a neighboring boat has some serious wiring issues. Are you docked next to any large power boats? They're notorious for having issues. The next option would be for you to add a galvanic isolator to your shorepower inlet; something like the ProMariner ProSafe 30: http://promariner.com/products/galvanic-isolation/prosafe/ . This would help isolate you from shorepower-based issues. Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( On Nov 26, 2013, at 11:12 AM, joanne.dowd3...@gmail.com wrote: Joel the anode had some corrosion but by no means badly. I am going to put on 2 this year. I did question that somehow I got a salt water anode instead of fresh. We have had some problems with the electrical inverter as well this year- seems to have stopped working- I did wonder if the unused AC power from the shore power could have been the cause- but I am not an electrician so may be WAY off Joanne Sent from Windows Mail
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