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Gordon

Bruce wrote:
On Mon, 09 Feb 2009 23:46:11 GMT, (Richard
Casady) wrote:

How come stainless cable is more than six times as costly as
galvanized, yet nobody uses the galvanized. Stainless the same size
has about 80% of the breaking strength. Galvanized is what they guy
power poles with.

Casady

Basically using galvanized wire rope just takes a LOT more
maintenance, and a LOT more time to build. If you are doing your own
work then perhaps it is more economical, but if you are paying others
the it is doubtful

The first problem comes when you attempt to locate proper heavy duty
thimbles for the eyes. Damned hard to find. Next comes splicing the
eyes in the cables. Again, if you can do it yourself and have the
tools then go for it but if you are paying rigger's rates then get
your wallet ready.

Now you have the cables cut, spliced around proper heavy duty
thimbles. Next step is to worm, parcel and serve all splices and
usually the lower cables up 10 - 15 feet above the deck. Once that is
done you need to mix up some slushing and paint the cables, working it
well into the wrappings.

Now! At last, you can rig the boat. But remember that annually you
will need to inspect, replace worn wrappings and re-slush all the
cables and slushing is a mixture of tar, oil, Japan dryer and various
other arcane substances. (think roofing tar) so don't even begin to
think about slushing down the rigging while in a marina slip as you
will sprinkle not only your deck but your neighbor's decks with
sticky, black, tarry gunk.

Now, having said all that you might be interested that properly
maintained galvanized rigging will out last stainless.

Cheers,

Bruce

Brion Toss, pages 276 and 277 goes into slushing of several types
including Marvel Mystery Oil!
He also goes into wire types and brands on pages 148 and 149 and is a
staunch proponent of galvanized wire for long life and low cost in spite
of the annual maintenance.
Gordon
BTW, This book is really a must have for a serious interest in sailing.

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