Impuls — ORC Rating | RegattaPages

GPH

630.5

OSN

611.3

LOA

12.2 m

Displacement

8656 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6405

Medium

0.8769

High

1.0135

Triple Offshore

Low

0.8269

Medium

1.0777

High

1.2006

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.91 m
Draft: 2.02 m
Displacement: 8656 kg
Crew weight: 691 kg
Wetted surface: 34.06 m²

Sails

Mainsail: 36.11 m²
Genoa: 55.03 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 122.01 m²

Design

Type: SUN LEGENDE 41
Builder: Jeanneau
Designer: PETERSONDOUG
Year built: 1984

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.

6,44.1,4.720618,52,5.22,60,5.52,75,5.71,90,5.58,110,5.57,120,5.42,135,4.87,143.5,4.403769,150,4.09
8,42.1,5.566219,52,6.19,60,6.45,75,6.62,90,6.55,110,6.73,120,6.59,135,6.08,146.9,5.383669,150,5.2
10,40.5,6.141456,52,6.8,60,6.99,75,7.14,90,7.17,110,7.36,120,7.3,135,6.97,148.4,6.293097,150,6.19
12,39.7,6.459583,52,7.1,60,7.28,75,7.43,90,7.49,110,7.72,120,7.7,135,7.48,150,6.97,155.4,6.708928
14,38.9,6.59177,52,7.25,60,7.43,75,7.62,90,7.69,110,7.99,120,8.02,135,7.84,150,7.44,165.1,6.922771
16,38.4,6.648008,52,7.32,60,7.5,75,7.75,90,7.88,110,8.22,120,8.31,135,8.15,150,7.78,175.8,7.209361
20,38,6.713106,52,7.41,60,7.6,75,7.9,90,8.15,110,8.56,120,8.92,135,8.84,150,8.38,178.6,7.87235
24,38.5,6.721116,52,7.43,60,7.65,75,8,90,8.33,110,8.86,120,9.41,135,9.77,150,9.1,178.6,8.432517

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.52	5.71	5.58	5.57	5.42	4.87	4.09
8	6.19	6.45	6.62	6.55	6.73	6.59	6.08	5.2
10	6.8	6.99	7.14	7.17	7.36	7.3	6.97	6.19
12	7.1	7.28	7.43	7.49	7.72	7.7	7.48	6.97
14	7.25	7.43	7.62	7.69	7.99	8.02	7.84	7.44
16	7.32	7.5	7.75	7.88	8.22	8.31	8.15	7.78
20	7.41	7.6	7.9	8.15	8.56	8.92	8.84	8.38
24	7.43	7.65	8	8.33	8.86	9.41	9.77	9.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.39	143.5°	3.54
8	42.1°	4.13	146.9°	4.51
10	40.5°	4.67	148.4°	5.36
12	39.7°	4.97	155.4°	6.1
14	38.9°	5.13	165.1°	6.69
16	38.4°	5.21	175.8°	7.19
20	38°	5.29	178.6°	7.87
24	38.5°	5.26	178.6°	8.43

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