Search results

anyway,i think you catch my drift:), no pun intended

lol, dusts off my old planimeter to measure leech hollow and luff/foot rounds.......better yet...use the old simpson's rule(not homer)., as an easy way out of painstaking integral calculus!

Thanks Mike, that's really all i needed to know. I'm actually a sailmaker, and draft, camber, round ,etc, are actually measured by use of integration, or by manual use of a planimeter <archaic, and now by computer. My purpose here was to illustrate to those unaware, that the sail area...

additionally , if anything ,the area in reality should be MORE. as the leech is the only negatively rounded side and not to the degree that the positive round percentages of both the luff and the foot contribute, i'd imagine

i didnt multiply the sides.......i dropped a perpendicular down from the head to the leech..actually area is area regardless of where you drop the perpendicular......if the luff and the foot are both 164", and the leech is 1.08 times that, (roughly), that makes the leech 177.12, which divided by...

with the luff and foot spars at roughly 13'8" each , the leech could not be over 12'2.52" in order for the sunfish sail to have an area of 75 square feet, unless the area of a triangle is no longer 1/2 bh (base x heighth). Most of the diagrams of the sunfish sail show the leech to be about 1.08...