Force lab
Sailboat force visualizer
Red no-go zone · ±36.5°
Heading0° fixed
Polar boat speed...
Sail angle...
Helm...
Dufour 410 GL reference yacht
78.5 m²
11.15 m
8,940 kg
3.2 m²
0.85 m²
Published dimensions and standard sail plan; *foil areas are modeled estimates.
Apparent wind...
Sail force...
Polar boat speed...
Vector dot diagramLength shows magnitude · wind scaled separately