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On 23 Apr 2005 09:11:08 -0700, wrote:
I have a block for a flag halyard connected to my backstay about 15
feet above my deck. The block has failed, and I'd rather not unstep
that mast to replace the block.

Can I used a bosun's chair and connect the main halyard around the
backstay to lift someone up to the fitting to replace it?

My main concern is placing 180 to 200 pounds of strain on the backstay.
Logic tells me this is okay though, since the forestay carries the
genoa, but before I try, I'd like other opinions.
======================

The backstay should be strong enough. If I were doing the job, I'd
clip a snatch block around the back stay, preferably one with a
plastic sheave. That will reduce friction while you are hoisting and
prevent wire damage. In lieu of a snatch block you could also use a
sturdy nylon sail tie to create a sliding loop. As always when
hoisting someone aloft, tape all snap shackles shut to prevent
accidental opening, and use the boom topping lift as a backup safety
line.