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post #10 of Old 02-23-2012
pdqaltair
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Quote:
Originally Posted by jetdrvr393 View Post
My Stantion bases have the U's on them so I was going to use those for my jacklines and I do plan to get tethers.
Many (most?) stantion bases are neither trough-bolted (many are screwed on) nor have backing plates capable of holding 5,000 pounds (yes, the forces are that high, because of the tight-rope effect).

Bow cleats are generally fine, but the stern cleats are too far back (you can go off the back). Thus, Jackdales recomendation for in-cockpit u-bolts. Remember that the clip on the u-bolt end MUST be a locking biner; they come off easy.

(some calculations about fall energy)
Sail Delmarva: Sample Calculations for Jackline Stress and Energy Absorption

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