... that were encountered. NOTATION do under any given sail area and wind strength except in general terms. When I first come to my Sail symbols starting from aft-forward, a number new command I have no introductory information at hand to begin to understand what the sailing following a symbol indicates...

... a wide models must account for the effects of hull speed, heel range of combinations of lift, drag and heeling moment. angle, wind speed and direction and the sail area, While the original solution to this problem using the planform and shape as expressed using variations of the well-known parameters...

... investigation engineering science sail area ship science w SAILING THE 15th CHESAPEAKE SAILING YACHT SYMPOSIUM An experimental investigation of slamming on ocean racing yachts. Paolo Manganelli, Ship Science, School of Engineering Sciences, Southampton, UK Philip A. Wilson, Ship Science, School...

... heel angle windage sail aerodynamic model wind speed apparent wind angle vpp calculation span reduction force coefficient calculation aerodynamic model tunnel test drag coefficient sail area THE THIRTEENTH CHESAPEAKE SAILING YACHT SYMPOSIUM Optimisation of a Sailing Rig using Wind...

... is more efficient (for a comparative assessment of aerodynamic given sail area) than another, either merits and demerits of various rigs is anticipated or already existing. And made. Also an attempt is made to find there are considerable differences of correlation between the potential power opinion...

.... knot iteration sail area displacement stability designer ballast selector high performance cruising ketch spectrum yacht red herring boat THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS One World Trade Center, Suite 1369, New York, N. Y. 10048 Paper to be presented at the Chesapeake...

... A theoretical study is carried out to determine the influence on performance of some main design factors of International Twelve Meter Class Yachts, such as length, sail area, beam, draft and stability. This is realized by designing a series of Twelve Meter Yachts in which the length, sail area...

... into a single quan- judged by the Thames Measurement. Since the tity, the rating, usually having the dimen- sail area was not measured at all, the rule sions of length. In level class racing all immediately led to enormous rigs; and since the yachts have the same rating and no handi- B affects the measurement...

..., losing more sail area. To counter balance this lost sail area Objection number two: "What will you do when one requires a taller mast. This tall spar you are running off the wind?" is considerably easier can be well <>upported since it is stepped to answer. When a normal cruising boat with a boom...

... in the present rule are listed and suggestions for improvements are made. The five major parameters; length, sail area, displacement underbody configuration and weight distribution are explained. The present and proposed rules are compared and the probably effect on existing yachts is discussed...

... system under which skill alone will determine the winner among dissimilar yachts. resistance waterline yacht club foretriangle waterline length international rule correction sail area displacement froude speed-length ratio time allowance cca rule formula yacht seawanhaka rule girth...

..., Equations (2) and (6) D Sail Drag H Heeling force h Height of center of effort L Sail lift M Heeling moment R Resultant sail force s Sail area T Thrust u Boat speed -ii- NOTATION (Concluded) v Apparent wind speed w True wind speed X Defined as h/b f3 Angle between apparent wind and course oh Hull drag angle...