[quote=Edchris177][quote]"So far, these 30+ year old boats are staying together."
how many 5.7, 5.8. p19MX with bigger jibs and no foil have you seen survive?[/quote]
Speaking only for myself, I don't see any upside in adding a larger jib to my 5.7. A few sq feet more dacron is not going to register much. Let's face it, when a team in a recent America Cup race cut their ENTIRE jib loose, (literally), their speed dropped by only a few mph. It wasn't like the jib gave them even a quarter of their speed.
I get it that the cutting edge racers want,(need) even the tiniest bit extra. The pictured boat is also carrying a big kite, & that is another reason the jib is low, it attaches to the spin pole, & even then it's only a teensy bit lower.
Sure there are broken bows, but look at the age & hard life many of these boat led. I'm not convinced a foil would have saved them, & there are plenty of instances of broken boats that use foils.
I think a proper load analysis would show they are "better", but I doubt very much many conversions will be done.[/quote]
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