Mar 16, 2006, 6:14 AM
Post #8 of 13
DG's explanation is close, but the measurement (aka, the LP) is not taken along the foot. The LP measurement is taken from the clew to the closest point on the luff. So, using DJ's example, for a jib to have a 100% LP, you use 100% of the 15' length (distance from forestay to mast, aka the J measurement) and measure from the clew to the closest point on the luff, and this measurement should equal 15'.
Re: [DGreenleaf] jib vs genoa
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It is interesting to note that a jib with a deck sweeper clew, or a jib with a high clew, can still have the same LP. One-Design class rules might spec out the other sail dimensions (luff, leech, foot), but for handicap racing, it is ONLY about the LP measurement.
See diagram below to (hopefully) back up the above info: