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-   -   Jib hanks and corrosion (http://www.sailnet.com/forums/gear-maintenance/35831-jib-hanks-corrosion.html)

kjsailingSpring 08-06-2007 09:38 PM

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

chuckg5 08-06-2007 09:41 PM

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'

kjsailingSpring 08-06-2007 09:49 PM

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.

sailingdog 08-06-2007 10:14 PM

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.

sailaway21 08-06-2007 11:24 PM

I second the Dog's rec. for Sailkote. The stuff flat out works.

sailingdog 08-06-2007 11:26 PM

I bought the gallon size of it...and put some into little spray bottles... amazing stuff...damn useful.


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