Drifters, are much longer in the
foot than most headsails. You can give us the I and J measurements,
(refer to the basic genoa measurements), much like the headsail measurements.
You can measure the luff of an existing sail to give us an accurate luff
length. If you presently have a genoa that is 150%, the foot length
is 150% of the J measurement.
A drifter can be longer in the foot
if your boat is set up for the increase in foot length. We generally
give as much lenght as a cruising spinnaker to allow for more sail
area. If you find that your genoa cars are not back far enough, then
you can still produce a light air genoa to enhance peformance on windless
days and still point higher than
a cruising spinnaker. Refer to the instructions for measuring for
a new genoa or jib.
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