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Propeller anti-fouling?
Is it possible that there is too much electrolisis loss? And these barnicals
are attracted to that? Using anodes or disconnecting battery or another form of cathodic protection. Have a look at some other boats in the slips to see if theirs has the same problems. If they don't then you may have a electrolisis issue as the prop is the most obvious spot of focus for this as it is the thinest/best part under the water for transfer of electrons. "mmc" wrote in message g.com... "Vic Smith" wrote in message news On Mon, 18 Jan 2010 18:38:26 +0700, Bruce In Bangkok wrote: Has anyone tried any of the anti-fouling schemes intended for propellers, and if so what was your experience? The question comes about because I just had to dive on my prop and clean it. When I got down there I discovered a mass of "clams" as big as a bushel basket. Took two days to scrape them all off. True, for one reason or another, the boat hasn't moved in the better part of a year but still I don't believe I have ever seen as much growth. Must be either global warming or high CO2 content :-) In any event, it does make one think "there must be a better way". Haven't tried it because I don't have a boat. But you made me think that if you knew your boat would be idle a long time, wrapping the prop it in a old piece of poly tarp might work. Maybe even a thick black garbage bag. Should be easier to put that on and crack/cut it away than spend 2 days scraping. Barnacles need some light to grow, right? We sometimes want a patch of lawn for garden and the easiest way to kill the grass is to lay something on it that blocks the light. --Vic You're right, that does work Vic. The owner just has to remember to take it off before getting underway! Hope you're well and staying warm. |
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