ALEXANDRA — ORC Rating

GPH

653

OSN

631.4

LOA

12.25 m

Displacement

7800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6779

Medium

0.9451

High

1.1257

Triple Offshore

Low

0.8787

Medium

1.1769

High

1.3467

Boat Specifications

Dimensions

Length overall: 12.25 m
Beam: 3.91 m
Draft: 1.98 m
Displacement: 7800 kg
Crew weight: 800 kg
Wetted surface: 32.49 m²

Sails

Mainsail: 32.97 m²
Genoa: 34.17 m²
Spinnaker: 105.51 m²
Asymmetric spinnaker: 0 m²

Design

Type: SUN LEGENDE 41
Builder: JEANNEAU
Designer: D. PETERSON
Year built: 1985

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,44.7,4.290943,52,4.73,60,5.03,75,5.24,90,5.3,110,5.42,120,5.28,135,4.8,145.4,4.264178,150,4.05
8,42.7,5.07542,52,5.67,60,5.99,75,6.23,90,6.43,110,6.63,120,6.46,135,5.92,149.5,5.164635,150,5.14
10,41.8,5.701055,52,6.4,60,6.72,75,6.95,90,7.19,110,7.34,120,7.26,135,6.88,150,6.08,150.8,6.037194
12,41.4,6.252407,52,6.93,60,7.14,75,7.32,90,7.54,110,7.73,120,7.68,135,7.42,150,6.89,154.2,6.686521
14,40.4,6.578789,52,7.2,60,7.39,75,7.56,90,7.69,110,8.05,120,8.03,135,7.78,150,7.41,167.9,6.801098
16,39.7,6.667537,52,7.34,60,7.53,75,7.75,90,7.82,110,8.35,120,8.4,135,8.14,150,7.74,180,7.21
20,39.9,6.713027,52,7.4,60,7.64,75,8.02,90,8.24,110,8.7,120,9.05,135,8.93,150,8.42,180,7.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.73	5.03	5.24	5.3	5.42	5.28	4.8	4.05
8	5.67	5.99	6.23	6.43	6.63	6.46	5.92	5.14
10	6.4	6.72	6.95	7.19	7.34	7.26	6.88	6.08
12	6.93	7.14	7.32	7.54	7.73	7.68	7.42	6.89
14	7.2	7.39	7.56	7.69	8.05	8.03	7.78	7.41
16	7.34	7.53	7.75	7.82	8.35	8.4	8.14	7.74
20	7.4	7.64	8.02	8.24	8.7	9.05	8.93	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.05	145.4°	3.51
8	42.7°	3.73	149.5°	4.45
10	41.8°	4.25	150.8°	5.27
12	41.4°	4.69	154.2°	6.02
14	40.4°	5.01	167.9°	6.65
16	39.7°	5.13	180°	7.21
20	39.9°	5.15	180°	7.88

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