Portsmouth Yardstick Index

Updated 05/01/2009

Index for North American Portsmouth Yardstick 2008

Copyright © 2008 by N. E. Richards and J. F. Spinnler
Reprint permission by the authors is required  for material in the Portsmouth Yardstick
Please contact hobockd@aol.com for permission

Portsmouth Tables for Prior Years
•  •  •
Click on links:
 Cover
Cover Page  
PY Index Index Page
Clubs2008 Clubs Supporting the 2008 North American Portsmouth Yardstick
Committee US SAILING Portsmouth Numbers Committee
Howto How to Use Portsmouth Numbers  -  Formula: CT = ET/HC x 100
Tables 2008 Tables of Portsmouth Numbers and Wind Dependent Handicaps
Centerboards Centerboard Classes  
Centerboards-Inactive Centerboard Classes-Inactive  
Multihulls Multihull Classes  
Multihulls-Inactive Multihull Classes-Inactive  
MH Modification Factors Multihull Modifications
MH Wts Multihull Class Weights
Keelboats Keelboat Classes  
Offshore A-E Offshore Classes A-E  
Offshore F-N Offshore Classes F-N  
Offshore O-Z Offshore Classes O-Z  
Windsurfer Windsurfer Classes  
Modifications Optional Modification Allowances (Table VI)
   
PY Text  
Section I Introduction  (Includes definition of std. equipment on offshore boats)
Section II Use of Portsmouth Yardstick Handicapping System
Section III Calculation of PNs (D-PN) & Wind Handicap Factors (HC)
Section IV Reference Classes
Section V Modification Factors & Coding System for Deviation from Normal Class
Section VI Reporting Data
   
PY Formulas  
Table I Beaufort Scale of Wind Velocity
Table II Weight Factors and Beaufort Number
Table III p1 Class Types and Rating Formulas for Centerboards and Multihulls
Table III p2 Class Types and Rating Formulas for Keelboats and Offshore Classes
Table IV Calculation of PNs and Wind HCs from Rating Formulas and Factors
Table V Relationship of D-PN to PHRF; convert D-PN to PHRF and vice versa
Table VI Optional Modification Allowances  (Not applicable to Multihulls)
Table VII Table of Primary and Secondary Yardsticks
   
PY Forms (Microsoft Word Format)
Figure I Portsmouth Reporting Data Form
Figure II Portsmouth Handicapping Sheet
Figure III Race Committee Recording Sheet
   
PY Forms (PDF Format)
Figure I Portsmouth Data Submittal Form
Figure II Portsmouth Handicapping Sheet
Figure III Race Committee Recording Sheet

In the Tables:
Parentheses ( ) around numbers indicate between 5 and 15 data points
Brackets [ ] around numbers indicate calculated number or fewer than 5 data points

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