Backstay won't stay for long - Page 2 - SailNet Community
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post #11 of 16 Old 05-21-2009
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g'day Gil, I'm not sure of your rig but an S&S from the mid 70's is likely to be a mast head rig with in-line spreaders. I would be VERY reluctant to replace a proper backstay with running type backstays on such a rig. S&S were pretty good at making boats work. We had a local boat builder make quite a lot of S&S 34's around that time and they are ledgendary. A couple of notable local boats/owners are Jon Sanders with Perri Benuo(double solo circumnavigation) and David Dicks(at the time and maybe still the youngest to circumnavigate). Not a bad pedigree you've got there.
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post #12 of 16 Old 05-21-2009
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Originally Posted by zz4gta View Post
No it hasn't. Synthetic line still hasn't been proven for 10 years plus. But if it starts to get fuzzy or frayed, you usually have time to change it out (at a fraction of the cost). It just takes more attention from a maintenance standpoint. SS rigging might show a meat hook, or it might not, and just decide it doesn't want to hang on anymore.
Is the problem with SS rigging due to crevice corrosion? It seems impossible NOT to have some part of the wire buried in an oxygenless place, whether inside a swedge or a Norseman-like fitting. That won't give any warning before failure. How does galvanized compare for longevity in a saltwater environment?

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post #13 of 16 Old 05-22-2009
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Time for a new backstay. Inspect all of the rest of the rig as well. 10 years in salt is all that is reasonable from ss wire rigging.

Paul Van Voorhees
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post #14 of 16 Old 05-22-2009
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Originally Posted by bobmcgov View Post
Is the problem with SS rigging due to crevice corrosion? It seems impossible NOT to have some part of the wire buried in an oxygenless place, whether inside a swedge or a Norseman-like fitting. That won't give any warning before failure. How does galvanized compare for longevity in a saltwater environment?
I'm not sure, I know I've used mil spec harware for aircraft before, and they corroded in less than a season. I'm in salt water, lower potomac.

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post #15 of 16 Old 05-22-2009
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I have a 1977 Orion S&S 35. The fixed backstay's swaging is crackin. I was thinking of buying a long nut sta-lok and cutting the cable to fit. Or what about converting it to a running backstay? Would this benefit me or go against the design too much?
Running backstays ARE NOT a replacement or alternative to a permanant backstay. Running backstays provide additional support to non-masthead rigs or masthead rigs where pumping is a concern.

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post #16 of 16 Old 05-27-2009 Thread Starter
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Thanks!

Replace it all I shall. Synthetic, eh? hmmmm.... I may be the bozo that gets careless with a knife.


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