Jib hanks and corrosion - SailNet Community
 
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post #1 of 6 Old 08-06-2007 Thread Starter
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Jib hanks and corrosion

I used a different jib this weekend, one with copper hanks. I got caught in a storm and left the jib hanked on overnight. When I removed the jib the next day, nearly all the copper hanks were covered with green corrosion. In just one night? Is this a sign of a serious corrosion problem on my boat? I am struggling with other small spots of corrosion but is this normal?

Any information would help!

Thank you -
KJ
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post #2 of 6 Old 08-06-2007
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Acid rain will do that.
anyway, they are probably bronze.
you need to spray them with lithium (waterproof) grease while opening an
closing the springs. should last the 'season'
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post #3 of 6 Old 08-06-2007 Thread Starter
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Thanks much chuckg! Yes, they are bronze and I'm relieved it is not a sign of a bigger problem. Thanks for letting me know about the grease and I'll get at it this weekend.
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post #4 of 6 Old 08-06-2007
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Not really a big deal, since the corrosion usually stops with a fine green patina over the whole surface...however, the corrosion can interfere with the opening and closing action, and a good dry lubricant, like McLube Sailkote is probably better than a grease, since it is far less likely to attract dirt and gum up the action of the spring loaded pin.

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post #5 of 6 Old 08-06-2007
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I second the Dog's rec. for Sailkote. The stuff flat out works.

“Scientists are people who build the Brooklyn Bridge and then buy it.”
Wm. F. Buckley, Jr.
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post #6 of 6 Old 08-06-2007
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I bought the gallon size of it...and put some into little spray bottles... amazing stuff...damn useful.

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