MAR DE VENTO — ORC Rating

GPH

691.4

OSN

665.9

LOA

11.99 m

Displacement

9652 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5729

Medium

0.7999

High

0.9529

Triple Offshore

Low

0.7375

Medium

0.989

High

1.1284

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.74 m
Draft: 2.06 m
Displacement: 9652 kg
Crew weight: 500 kg
Wetted surface: 31.77 m²

Sails

Mainsail: 32.92 m²
Genoa: 41 m²
Spinnaker: 102.56 m²
Asymmetric spinnaker: 0 m²

Design

Type: NORTH WIND 40
Builder: NORTH WIND
Designer: PRIMROSE ANGUS
Year built: 1979

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.

6,44.8,4.101071,52,4.5,60,4.77,75,4.94,90,4.89,110,5.05,120,4.92,135,4.47,145.8,3.977847,150,3.8
8,42.7,4.884921,52,5.41,60,5.67,75,5.85,90,5.94,110,6.15,120,6.02,135,5.54,149.6,4.892676,150,4.87
10,41.4,5.452526,52,6.07,60,6.32,75,6.51,90,6.67,110,6.86,120,6.79,135,6.41,150,5.77,152.4,5.642044
12,40.6,5.887224,52,6.52,60,6.73,75,6.9,90,7.04,110,7.25,120,7.22,135,6.98,150,6.5,156.1,6.223654
14,39.8,6.169597,52,6.79,60,6.97,75,7.14,90,7.23,110,7.51,120,7.51,135,7.33,150,7,165.5,6.486614
16,39.4,6.328184,52,6.95,60,7.12,75,7.31,90,7.36,110,7.72,120,7.76,135,7.62,150,7.32,176.3,6.804183
20,39.1,6.455799,52,7.09,60,7.28,75,7.53,90,7.66,110,8.02,120,8.22,135,8.16,150,7.85,179,7.431132
24,39.5,6.479835,52,7.12,60,7.34,75,7.67,90,7.88,110,8.23,120,8.59,135,8.75,150,8.4,179,7.921206

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.5	4.77	4.94	4.89	5.05	4.92	4.47	3.8
8	5.41	5.67	5.85	5.94	6.15	6.02	5.54	4.87
10	6.07	6.32	6.51	6.67	6.86	6.79	6.41	5.77
12	6.52	6.73	6.9	7.04	7.25	7.22	6.98	6.5
14	6.79	6.97	7.14	7.23	7.51	7.51	7.33	7
16	6.95	7.12	7.31	7.36	7.72	7.76	7.62	7.32
20	7.09	7.28	7.53	7.66	8.02	8.22	8.16	7.85
24	7.12	7.34	7.67	7.88	8.23	8.59	8.75	8.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	2.91	145.8°	3.29
8	42.7°	3.59	149.6°	4.22
10	41.4°	4.09	152.4°	5
12	40.6°	4.47	156.1°	5.69
14	39.8°	4.74	165.5°	6.28
16	39.4°	4.89	176.3°	6.79
20	39.1°	5.01	179°	7.43
24	39.5°	5	179°	7.92

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