KAURI
37' Pacific Proa

designed by Russell Brown

featured in Wooden Boat Magazine
July/August, 1988, Issue #83
RUSSELL BROWN and His PROVEN PROAS

video


Pacific proa KAURI and friends, under sail, 01:22
Sailing KAURI off West Falmouth in Buzzard's Bay, Cape Cod, 1987
Russell Brown, John York, Porter Thompson, Joseph Oster (cameraman), and others

PREQUEL: Sailing proa KAURI to Wood's Hole, MA, 01:47
Sailing KAURI to Wood's Hole, MA - prequel to following video, this clip had no sound so added a little music.

notes about "hobby horsing" observed in this video: a few things should be remembered; it happened under some conditions, not all; there are eight people and "cargo" in this video; KAURI was designed and built circa 1980, JZERRO, twelve years later, has a different hull shape.

frame by frame examination shows exactly three cycles of pitching between 13.2 and 17.2 seconds, a frequency of 1.33 seconds/cycle (0.75 cycles/second), with an amplitude of +- 2.1 degrees, as measured between these two frames (14.15 and 15.03):

Sailing proa KAURI through Wood's Hole, MA, 09:55
Sailing KAURI through strong tidal current in Wood's Hole, MA, delivering base of Ocean Surfer's mast, broken in a yard accident before launch, back to Martha's Vineyard for repair.
Leisurely shunt footage at 0:50, moving mylar headsail to opposite end, main sheeted and under way at 01:29, headsail raised and sheeted around 02:22 - NOTE: a speedy shunt is done with a jib on both ends; this day wasn't that kind of a "show".
Navigating Woods Hole "Tricky in the best conditions, with little margin for error. [the current] routinely flows through at over 4 knots, and will hit 7 knots on occasion."



NOTE: The "Flying Proa" or "Pacific proa" has a small ama to windward,
opposite that of the "Atlantic proa" with heavier hull to windward.
 
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