MAR DE VENTO — ORC Rating

GPH

691.8

OSN

666.3

LOA

11.99 m

Displacement

9652 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5739

Medium

0.7996

High

0.9486

Triple Offshore

Low

0.7382

Medium

0.9883

High

1.1249

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.74 m
Draft: 2.06 m
Displacement: 9652 kg
Crew weight: 450 kg
Wetted surface: 31.53 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
Stability index: 129.4

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.

6,44.4,4.072934,52,4.51,60,4.77,75,4.94,90,4.89,110,5.05,120,4.92,135,4.47,146.2,3.959159,150,3.8
8,42.4,4.861499,52,5.41,60,5.67,75,5.85,90,5.94,110,6.14,120,6.02,135,5.55,150,4.88,150.2,4.874589
10,41.2,5.435831,52,6.07,60,6.31,75,6.5,90,6.66,110,6.86,120,6.79,135,6.42,150,5.78,152.9,5.639101
12,40.6,5.874053,52,6.51,60,6.72,75,6.89,90,7.04,110,7.25,120,7.22,135,6.98,150,6.51,156.8,6.21236
14,40,6.148468,52,6.77,60,6.96,75,7.13,90,7.23,110,7.51,120,7.51,135,7.34,150,7,166.4,6.481742
16,39.6,6.281527,52,6.93,60,7.11,75,7.3,90,7.36,110,7.72,120,7.76,135,7.63,150,7.33,176.3,6.824224
20,39.4,6.40583,52,7.05,60,7.26,75,7.52,90,7.66,110,8.02,120,8.21,135,8.17,150,7.86,179,7.451135

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.51	4.77	4.94	4.89	5.05	4.92	4.47	3.8
8	5.41	5.67	5.85	5.94	6.14	6.02	5.55	4.88
10	6.07	6.31	6.5	6.66	6.86	6.79	6.42	5.78
12	6.51	6.72	6.89	7.04	7.25	7.22	6.98	6.51
14	6.77	6.96	7.13	7.23	7.51	7.51	7.34	7
16	6.93	7.11	7.3	7.36	7.72	7.76	7.63	7.33
20	7.05	7.26	7.52	7.66	8.02	8.21	8.17	7.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.91	146.2°	3.29
8	42.4°	3.59	150.2°	4.23
10	41.2°	4.09	152.9°	5.02
12	40.6°	4.46	156.8°	5.71
14	40°	4.71	166.4°	6.3
16	39.6°	4.84	176.3°	6.81
20	39.4°	4.95	179°	7.45

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