SEA WOLF — ORC Rating

GPH

595.2

OSN

578

LOA

11.924 m

Displacement

7129 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7695

Medium

1.0433

High

1.2025

Triple Offshore

Low

0.9907

Medium

1.2804

High

1.4308

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.42 m
Displacement: 7129 kg
Crew weight: 737 kg
Wetted surface: 31.26 m²

Sails

Mainsail: 46.27 m²
Genoa: 50.02 m²
Spinnaker: 100.76 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 40.7
Builder: BENETEAU
Designer: FARR
Year built: 1997

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.

6,42.1,5.040595,52,5.63,60,5.92,75,6.14,90,6.07,110,5.75,120,5.58,135,5.05,144.8,4.515723,150,4.27
8,40.8,5.957767,52,6.7,60,6.96,75,7.13,90,7.1,110,6.99,120,6.82,135,6.23,149.1,5.430825,150,5.39
10,39.8,6.612142,52,7.3,60,7.47,75,7.6,90,7.62,110,7.66,120,7.56,135,7.17,150,6.37,151.2,6.299165
12,38.2,6.807855,52,7.53,60,7.71,75,7.88,90,7.94,110,8.07,120,8,135,7.7,150,7.19,155.4,6.917895
14,37.9,6.944761,52,7.63,60,7.82,75,8.09,90,8.22,110,8.46,120,8.43,135,8.09,150,7.68,170.2,7.032621
16,37.5,6.983017,52,7.68,60,7.88,75,8.22,90,8.49,110,8.73,120,8.87,135,8.53,150,8.05,180,7.49
20,37.3,7.052404,52,7.72,60,7.93,75,8.34,90,8.86,110,9.14,120,9.56,135,9.5,150,8.88,180,8.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.63	5.92	6.14	6.07	5.75	5.58	5.05	4.27
8	6.7	6.96	7.13	7.1	6.99	6.82	6.23	5.39
10	7.3	7.47	7.6	7.62	7.66	7.56	7.17	6.37
12	7.53	7.71	7.88	7.94	8.07	8	7.7	7.19
14	7.63	7.82	8.09	8.22	8.46	8.43	8.09	7.68
16	7.68	7.88	8.22	8.49	8.73	8.87	8.53	8.05
20	7.72	7.93	8.34	8.86	9.14	9.56	9.5	8.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.74	144.8°	3.69
8	40.8°	4.51	149.1°	4.66
10	39.8°	5.08	151.2°	5.52
12	38.2°	5.35	155.4°	6.29
14	37.9°	5.48	170.2°	6.93
16	37.5°	5.54	180°	7.49
20	37.3°	5.61	180°	8.23

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