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Reply to: nacra jib block on a 5.2

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[quote=erice]the line running from the block to the back beam allows you to balance the foot of the sail vs. the leech of the sail so the upper and lower telltales break at the same time, showing you have the best "shape" for that jib-sheet tension

i'm a bit furry on this as i don't have the jam cleats on my rear beam, i just knot the line through the saddle

basically if you are sailing upwind close-hauled and the upper and lower jib telltales are streaming back nicely if you let the jib sheet out slowly and the top leeward telltale stalls first, the jib leech is a little looser than the foot. to correct this adjust that jib block position line so the block goes forward a few inches and then tighten the jib sheet to get both telltales streaming again

continue repeating the process until both rear telltales stall at virtually the same time

i've set mine for close-hauled and left them as that's the point of sail i spend the most time.

it would be slightly different for reaching and a useful adjustment for 1 design racing with crew, it will give you a tiny bit more speed, 0.1%?, but in most cases will not be enough to keep up with a longer boat with a bigger sail, like the 5.7?

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