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Old 09-08-2010
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What's my Purchase?

I've got the stock mainsheet rigging on my Javelin, but it's in this funky configuration, and I just can't wrap my head around the blocks to the point that I can calculate my purchase. Can one of you rigging gurus make sense of this:

(I whipped it up in photoshop )



I'm betting it gets me some mechanical advantage 2:1? 3:1? But I'd love to be able to cite a number when chatting with my sailing buddies, you know?

Thanks!
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