⛵ Sailboat Polar — 2D Sail Forces, Trim and VMG Lab

2D companion of the sailboat aerodynamics sim: apparent wind from vector addition, a stall-limited lift and drag model, hull resistance with a wave-making rise, a live speed history and a best-trim polar with upwind and downwind VMG.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install