Next message: Gene Gruender: "lv-ab: shackle and chain strength"
Mike wrote;
High Test chain vs other types: Still seems the weak link is
the Anchor
shackle. Working load seems to be below the working loads of
the various
chains. Would stainless quicklinks be better? Can they be
safety wired or is
it necessary. Can only find breaking strength for the ss
quick links. Other
than being higher, what is the relationship between working
load and
breaking strength. Would 1/3 be more or less a constant?
Mike Folkestad
Mike,
I have been told you can use 1 size larger shackle than the
chain size. I have not tried it but I will.
That STILL leaves the shackle as the weakest link. I would
NOT use a stainless quicklink with a galvanized chain.
Electrolysis would cause a problem. Stainless is also more
brittle than the HT chain and 'breaking strength' might not
represent performance in a high shock load environment as
anchoring certainly can produce.
Eric Thompson
S/V Procrastinator
South San Francisco
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