US SAILING

Portsmouth Yardstick Windsurfer Classes



TABLE OF NORTH AMERICAN PORTSMOUTH NUMBERS
AND WIND DEPENDENT HANDICAPS

WINDSURFER CLASSES
May 2003
 

WINDSURFER CLASSES CLASS D-PN WIND HC FOR BEAUFORT RANGE
CODE 0-1 2-3 4 5-9
Div II   (SA = < 6m2) SB-2 92.6 98.4 94.6 88.4 (85.1)
Div IIB (SA = 6-7m2) SB-2B 89.7 96.3 92.6 83.8 (82.0)
Div IIC (SA = > 7m2) SB-2C 86.7 84.4 87.3
ISAF Division I A development class with a fully battened sail of less than 6.0m2 and a slim displacement hull of 17 kg minimum weight
Division II Original development class for USBA/ISAF and the Olympic windsurfer class
Division IIB Has 6 to 7m2 sail with a flatter hull of 18 kg minimum weight
Division IIC Same as Division IIB except with a sail larger than 7m2

To improve the statistical data for windsurfers, please report elapsed times for each windsurfer in each race

Ratings are based on boats being rigged in accordance with one-design class rules and with class sails and equipment. In fairness to other competitors, each competitor should comply with minimum crew weight and number of crew.
Please submit race results by November 1 each year to US SAILING,
Portsmouth Numbers Committee, Attn. Donna Leary, Box 1260, Portsmouth, RI 02871.

Copyright © 2003 by N. E. Richards and J. F. Spinnler