Long Beach, CA, USA More User infoBareboat Charter Master Level V Status: Really Big Time Sailor Qualified days: 202
Reply 2017, Apr 06 17:18
Also how does heeling angle give the sails a foil shape?
Reply 2017, Apr 06 17:58
Yes the wind is horizontal so it looks at the vertically presented sail area. As the boat heels the vertical distance to the top of the mast decreases as with the vertically presented sail area.
Also see this blog on how heeling angle creates airfoil shape. http://www.nauticed.org/sailing-blog/how-does-heeling-angle-create-airfoil-shape/