JOS OF HAMBLE — ORC Rating

GPH

671.2

OSN

651

LOA

11.079 m

Displacement

6926 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6041

Medium

0.8208

High

0.9605

Triple Offshore

Low

0.7756

Medium

1.01

High

1.1383

Boat Specifications

Dimensions

Length overall: 11.079 m
Beam: 3.27 m
Draft: 1.87 m
Displacement: 6926 kg
Crew weight: 583 kg
Wetted surface: 27.12 m²

Sails

Mainsail: 27.66 m²
Genoa: 44.96 m²
Spinnaker: 101.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: SWAN 37 NORM
Builder: NAUTOR
Designer: SPARKMAN&STEPHENS
Year built: 1970

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.

6,42.8,4.293133,52,4.8,60,5.07,75,5.27,90,5.21,110,5.22,120,5.1,135,4.69,147,4.125577,150,4
8,41.2,4.997243,52,5.64,60,5.95,75,6.18,90,6.14,110,6.32,120,6.2,135,5.69,150,4.99,151,4.93929
10,42,5.705483,52,6.33,60,6.55,75,6.7,90,6.8,110,6.93,120,6.86,135,6.55,150,5.87,151,5.808239
12,40.9,6.125526,52,6.69,60,6.85,75,6.98,90,7.08,110,7.27,120,7.23,135,7.01,150,6.6,157,6.290027
14,39.9,6.295906,52,6.87,60,7.03,75,7.19,90,7.23,110,7.58,120,7.56,135,7.33,150,7,178,6.403901
16,39.4,6.379948,52,6.96,60,7.15,75,7.36,90,7.43,110,7.8,120,7.89,135,7.67,150,7.3,180,6.86
20,39,6.42093,52,7.03,60,7.24,75,7.58,90,7.81,110,8.09,120,8.36,135,8.33,150,7.93,180,7.46

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.8	5.07	5.27	5.21	5.22	5.1	4.69	4
8	5.64	5.95	6.18	6.14	6.32	6.2	5.69	4.99
10	6.33	6.55	6.7	6.8	6.93	6.86	6.55	5.87
12	6.69	6.85	6.98	7.08	7.27	7.23	7.01	6.6
14	6.87	7.03	7.19	7.23	7.58	7.56	7.33	7
16	6.96	7.15	7.36	7.43	7.8	7.89	7.67	7.3
20	7.03	7.24	7.58	7.81	8.09	8.36	8.33	7.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.15	147°	3.46
8	41.2°	3.76	151°	4.32
10	42°	4.24	151°	5.08
12	40.9°	4.63	157°	5.79
14	39.9°	4.83	178°	6.4
16	39.4°	4.93	180°	6.86
20	39°	4.99	180°	7.46

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