DARK & STORMY — ORC Rating

GPH

570.1

OSN

554.4

LOA

11.56 m

Displacement

4685 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7249

Medium

0.9666

High

1.1036

Triple Offshore

Low

0.9313

Medium

1.1811

High

1.3262

Boat Specifications

Dimensions

Length overall: 11.56 m
Beam: 3.45 m
Draft: 2.73 m
Displacement: 4685 kg
Crew weight: 780 kg
Wetted surface: 27.71 m²

Sails

Mainsail: 50.03 m²
Genoa: 31.31 m²
Spinnaker: 103.92 m²
Asymmetric spinnaker: 0 m²

Design

Type: Murray 37
Builder: PACESETTER
Designer: Ian MURRAY
Year built: 1993

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.

6,41.6,5.215312,52,5.88,60,6.18,75,6.43,90,6.34,110,6.26,120,6.07,135,5.44,143.2,4.957967,150,4.58
8,40.5,6.233512,52,6.96,60,7.17,75,7.31,90,7.32,110,7.4,120,7.28,135,6.75,146,6.019028,150,5.76
10,38.1,6.696868,52,7.42,60,7.59,75,7.74,90,7.75,110,7.97,120,7.89,135,7.55,150,6.82,150.5,6.790327
12,37.1,6.845675,52,7.57,60,7.78,75,8.08,90,8.15,110,8.41,120,8.49,135,8.08,150,7.52,157.5,7.17626
14,36.8,6.931163,52,7.65,60,7.88,75,8.3,90,8.58,110,8.75,120,9.08,135,8.7,150,8.02,180,7.24
16,36,7.020866,52,7.71,60,7.94,75,8.44,90,8.92,110,9.09,120,9.49,135,9.4,150,8.58,180,7.76
20,36,7.08267,52,7.85,60,8.15,75,8.61,90,9.28,110,9.76,120,10.27,135,11.24,150,9.96,180,8.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.88	6.18	6.43	6.34	6.26	6.07	5.44	4.58
8	6.96	7.17	7.31	7.32	7.4	7.28	6.75	5.76
10	7.42	7.59	7.74	7.75	7.97	7.89	7.55	6.82
12	7.57	7.78	8.08	8.15	8.41	8.49	8.08	7.52
14	7.65	7.88	8.3	8.58	8.75	9.08	8.7	8.02
16	7.71	7.94	8.44	8.92	9.09	9.49	9.4	8.58
20	7.85	8.15	8.61	9.28	9.76	10.27	11.24	9.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.9	143.2°	3.97
8	40.5°	4.74	146°	4.99
10	38.1°	5.27	150.5°	5.91
12	37.1°	5.46	157.5°	6.63
14	36.8°	5.55	180°	7.24
16	36°	5.68	180°	7.76
20	36°	5.73	180°	8.79

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