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post #3 of Old 05-01-2009
KeelHaulin's Avatar
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Originally Posted by celenoglu View Post
The expected load on any corner of a sail is not more than 2000 lbs.
That's not true. It depends on the size of the sail. Open 70's have sheet loads that are over 15k lbs. There are ways to calculate the loads on various sheets and halyards. IIRC Harken has some calculation formulas in their catalog; and they were posted on the website. Harken had them as calculators on their website where you could just enter in the numbers but for some reason they took them down (possibly for liability reasons if loads were exceeded).

Here you go:

Harken Loading Formulas
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