DARK & STORMY — ORC Rating

GPH

575

OSN

558.1

LOA

11.56 m

Displacement

4768 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7152

Medium

0.9617

High

1.1009

Triple Offshore

Low

0.9196

Medium

1.1734

High

1.3163

Boat Specifications

Dimensions

Length overall: 11.56 m
Beam: 3.45 m
Draft: 2.74 m
Displacement: 4768 kg
Crew weight: 780 kg
Wetted surface: 28.03 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
Stability index: 119.5

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.

6,42,5.16723,52,5.79,60,6.09,75,6.33,90,6.22,110,6.2,120,6,135,5.37,142.6,4.921863,150,4.52
8,40.6,6.163805,52,6.88,60,7.11,75,7.25,90,7.29,110,7.36,120,7.23,135,6.67,146.6,5.917246,150,5.7
10,38.2,6.667881,52,7.39,60,7.56,75,7.69,90,7.7,110,7.92,120,7.84,135,7.5,150,6.76,150.7,6.71965
12,36.9,6.802681,52,7.55,60,7.76,75,8.02,90,8.08,110,8.36,120,8.42,135,8.02,150,7.49,157.4,7.159799
14,36.6,6.900697,52,7.64,60,7.86,75,8.25,90,8.49,110,8.67,120,9,135,8.62,150,7.99,169.4,7.335172
16,35.8,6.978489,52,7.69,60,7.92,75,8.39,90,8.84,110,8.98,120,9.39,135,9.3,150,8.54,177.2,7.729228
20,36,7.107391,52,7.85,60,8.13,75,8.55,90,9.23,110,9.6,120,10.14,135,11.04,150,9.87,174.8,8.756036

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.79	6.09	6.33	6.22	6.2	6	5.37	4.52
8	6.88	7.11	7.25	7.29	7.36	7.23	6.67	5.7
10	7.39	7.56	7.69	7.7	7.92	7.84	7.5	6.76
12	7.55	7.76	8.02	8.08	8.36	8.42	8.02	7.49
14	7.64	7.86	8.25	8.49	8.67	9	8.62	7.99
16	7.69	7.92	8.39	8.84	8.98	9.39	9.3	8.54
20	7.85	8.13	8.55	9.23	9.6	10.14	11.04	9.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.84	142.6°	3.91
8	40.6°	4.68	146.6°	4.94
10	38.2°	5.24	150.7°	5.86
12	36.9°	5.44	157.4°	6.61
14	36.6°	5.54	169.4°	7.21
16	35.8°	5.66	177.2°	7.72
20	36°	5.75	174.8°	8.72

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