MADAME SOUSSOU — ORC Rating

GPH

723.6

OSN

698.5

LOA

11.23 m

Displacement

6300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5386

Medium

0.7546

High

0.9074

Triple Offshore

Low

0.6981

Medium

0.9464

High

1.0926

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: 26.76 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

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.

6,45.8,3.858483,52,4.23,60,4.54,75,4.78,90,4.73,110,4.82,120,4.69,135,4.28,147,3.779792,150,3.66
8,43.9,4.579828,52,5.07,60,5.39,75,5.66,90,5.69,110,5.89,120,5.76,135,5.29,150,4.66,151,4.61915
10,42.8,5.138131,52,5.75,60,6.1,75,6.37,90,6.53,110,6.69,120,6.61,135,6.21,150,5.51,152,5.413685
12,42.8,5.683291,52,6.32,60,6.58,75,6.77,90,6.94,110,7.09,120,7.05,135,6.81,150,6.28,154,6.108185
14,42.8,6.078531,52,6.62,60,6.83,75,7.01,90,7.09,110,7.39,120,7.37,135,7.16,150,6.82,170,6.214411
16,42,6.176454,52,6.75,60,6.97,75,7.18,90,7.26,110,7.65,120,7.68,135,7.47,150,7.14,180,6.66
20,42,6.23028,52,6.82,60,7.05,75,7.39,90,7.62,110,7.94,120,8.24,135,8.13,150,7.73,180,7.29

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.23	4.54	4.78	4.73	4.82	4.69	4.28	3.66
8	5.07	5.39	5.66	5.69	5.89	5.76	5.29	4.66
10	5.75	6.1	6.37	6.53	6.69	6.61	6.21	5.51
12	6.32	6.58	6.77	6.94	7.09	7.05	6.81	6.28
14	6.62	6.83	7.01	7.09	7.39	7.37	7.16	6.82
16	6.75	6.97	7.18	7.26	7.65	7.68	7.47	7.14
20	6.82	7.05	7.39	7.62	7.94	8.24	8.13	7.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.69	147°	3.17
8	43.9°	3.3	151°	4.04
10	42.8°	3.77	152°	4.78
12	42.8°	4.17	154°	5.49
14	42.8°	4.46	170°	6.12
16	42°	4.59	180°	6.66
20	42°	4.63	180°	7.29

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