MADAME SOUSSOU — ORC Rating

GPH

725.5

OSN

697.9

LOA

11.23 m

Displacement

6300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5405

Medium

0.7603

High

0.9031

Triple Offshore

Low

0.6974

Medium

0.9453

High

1.0821

Boat Specifications

Dimensions

Length overall: 11.23 m
Beam: 3.2 m
Draft: 1.81 m
Displacement: 6300 kg
Crew weight: 480 kg
Wetted surface: 26.6 m²

Sails

Mainsail: 24.1 m²
Genoa: 37.35 m²
Spinnaker: 78.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: GRAMPIAN 37
Builder: PORTER & HAYLETT
Designer: MACGRUER
Year built: 1979
Stability index: 120.2

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.

6,45.4,3.888041,52,4.26,60,4.55,75,4.72,90,4.62,110,4.77,120,4.63,135,4.2,146.9,3.700526,150,3.58
8,43.5,4.673449,52,5.16,60,5.43,75,5.62,90,5.64,110,5.83,120,5.71,135,5.25,150,4.62,150.2,4.60954
10,42,5.207599,52,5.8,60,6.06,75,6.27,90,6.38,110,6.58,120,6.5,135,6.12,150,5.5,152.9,5.369503
12,41.4,5.639165,52,6.26,60,6.48,75,6.67,90,6.8,110,7.02,120,6.98,135,6.73,150,6.24,156.8,5.940366
14,41.1,5.931817,52,6.53,60,6.73,75,6.93,90,6.98,110,7.3,120,7.31,135,7.12,150,6.76,165.8,6.240682
16,40.8,6.037028,52,6.66,60,6.87,75,7.1,90,7.19,110,7.52,120,7.59,135,7.44,150,7.12,175.4,6.591231
20,40.8,6.116288,52,6.75,60,6.98,75,7.3,90,7.49,110,7.81,120,8.04,135,8.04,150,7.71,179,7.251104

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.26	4.55	4.72	4.62	4.77	4.63	4.2	3.58
8	5.16	5.43	5.62	5.64	5.83	5.71	5.25	4.62
10	5.8	6.06	6.27	6.38	6.58	6.5	6.12	5.5
12	6.26	6.48	6.67	6.8	7.02	6.98	6.73	6.24
14	6.53	6.73	6.93	6.98	7.3	7.31	7.12	6.76
16	6.66	6.87	7.1	7.19	7.52	7.59	7.44	7.12
20	6.75	6.98	7.3	7.49	7.81	8.04	8.04	7.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.73	146.9°	3.1
8	43.5°	3.39	150.2°	4
10	42°	3.87	152.9°	4.78
12	41.4°	4.23	156.8°	5.46
14	41.1°	4.47	165.8°	6.05
16	40.8°	4.57	175.4°	6.57
20	40.8°	4.63	179°	7.25

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