Interactive 3D vector analysis

The fundamental law of sailing

Symbols β Apparent wind angle εA Aero drag angle εH Hydro drag angle φA Aero elevation angle φH Hydro elevation angle W Weight FA Aero force FH Hydro force VA Apparent wind velocity VH Water flow

Further information

Ultimate Sailing (4.8Mb, PowerPoint slides, July 2005)
A Fundamental Theory of Sailing and its application to the design of a Hydrofoil Sail Craft , (559kb pdf format, Technical paper, October 2001)
An interactive 3D vector analysis showing the velocity triangle and the net forces acting on the WBHF can be toggled on theInteractive 3D CAD model (240kb)
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