... balance of fairness, transparency and acceptance. race course boat tot scratch boat spm upwind newport wind speed standard deviation bermuda race boat speed handicap true wind speed time allowance performance curve knot optimal assumption sailing Scoring Methods for Handicap...

... with reduced chord length at the free surface and by sweeping the rudder forward. To complete the case study, a velocity prediction program was used to estimate the change in speed around a notional race course. lift-to-drag ratio forward sweep ogival section free surface knot degree 0 hull chord...

... inviscid cfd irc 52 yaw balance mainsail alternative mainsail structure interaction consequence tp52 botin partner mainsail planform investigation mainsail planform optimization iqt knot module designer THE 21st CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2013...

... with somewhat more precision, and TWS True Wind Speed, knots secondly, to develop a calculation tool to better establish V Boat Speed, knots this relationship, and to better anticipate the vessel's over VDC Vertical Distance between CLRg and CEg all sailing behavior. Because of those factors that effect VPP...

.... The paper examines the tradeoffs in to establishing the cause of the resulting heeling the decision making process relative to the type of action. The best data are found in steady 10 to 20 vessel involved and the observable wind and sea knot wind strengths in minimum waves found in the conditions...

.... Although she flew well, was very new thinking on sail configuration and hull shape. This controllable, and was spectacular to watch, Rocker could made it a successful evolutionary, but not revolutionary, not match the 20 knot plus speed of Alpha. 197 INTRODUCTION None of the principal participants...

... s surface occurs when the apparent wind is approximately 80° from the bow, and that with a typical heavy weather sail u* friction velocity configuration Niagara would be at risk of capsize in about 40 knots of wind. These results are useful for learning V wind velocity y distance above the water y0...

... were used as a baseline. Finally, validation and verification was performed with the shareware program PCSAIL. load cell knot sail coefficient daggerboard towboat resistance setup tow test twist parameter towline coefficient prediction program wind speed equation worksheet...

.... machine learning knot variation mean value consequence displacement variance hull geometry statistical indicator correlation regression equation coefficient artificial intelligence resistance residuary resistance independent variable systematic series indicator dataset correlation...

...-offs are discussed. ballast configuration canting-ballast configuration fixed-ballast configuration time difference downwind principal characteristic movable ballast configuration performance potential designer displacement knot stability configuration fixed-ballast boat canting...

... fsi simulation modeling & simulation material property maximum principal stress upstream oil & gas knot loadpath sail sail material stress direction membrane smartsail maximum modulus sail shape sail designer primary load path principal stress THE 17th CHESAPEAKE SAILING...

... 4.0 5.0 6.0 7.0 8.0 Boat Speed (knots) Prop Aligned VPP Estimate VPP (updated) T rend (prop aligned) Figure 3: Full-Scale Resistance Data and VPP Estimate 55 Hallberg-Rassy 50 46 Swan 44 Mk II J46 Defiance 44 LOA (ft) 45 J44 X-452 Navy 44 40 35 Baltic 40 Sweden 390 C&C 39 Frers 41 30 120 140 160 180...

..., which included the omission of measurements at several heights above the deck of wind and sail shape that would have been helpful to CFD studies of sail aerodynamics. sailing test knot coefficient wind direction test run apparent wind speed correction chase boat gimcrack davidson...

... Bay south of Melbourne, Australia. This paper will cover all phases of the project from the design through the racing. windward yellow page edge shroud knowledge management information flap knot defender reduction sailing downwind flap angle challenger competition main beam hull...

... burst of wind which accelerated in an instant Harbor. Finally and most importantly, the from 30 knots to something over 70 knots. She construction was being inspected weekly by the was knocked down, flooded through her cabin Office of Marine Inspection, U. S. Coast Guard, companionway, and sank quickly...

... understand­ing of the VPP to many sailors so that they can take advantage of the technology in their normal activities. apparent wind prediction application sailing weather yacht vpp measurement system wind angle boat wind velocity information boat speed certificate sailor knot helmsman...

... crossbow yacht true wind drag angle knot invention sailboard displacement exotic craft coefficient sailing craft THE SEVENTH CHESAPEAKE SAILING YACHT SYMPOSIUM Sailboards, Inventions, Yachts, and Exotic Craft Diana Ru11, Wing Systems, Oyster Bay, New York ABSTRACT A Apparent wind in kfnt.otsp...

... A prediction procedure is developed and checked against test results. sideforce coefficient, speed in knots A few Equations, selected values from included resistance coefficient, speed in knots tabulations, a calculator, pencil and paper will yield quantitative information for the length to beam ratio yacht...

.... 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...

... and moments operating on the deepest keel and the two keels of constant draft. keel plane suite 1369 ratio keel ship yacht leeway angle world trade center constant draft hull aspect ratio equilibrium leeway angle knot true wind naval architect new york 47 THE SOCIETY OF NAVAL...