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Re: Backstay Adjuster
Keep in mind that when you induce bend with a backstay on a masthead rig it's similar to bending a toothpick between your thumb and forefinger. As you bend the mast it will get overall 'shorter'. Without limiting this action you can slacken the shrouds and not get the full benefit of tensioning the forestay as the masthead gets closer to the deck.
Checks limit the bend to the optimum, allowing any further adjustment to firm up the forestay. And you can control each individual effect.
For full advantage they work together.. Esp on a bendy stick.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)