NAHODKA — ORC Rating | RegattaPages

GPH

665

OSN

644.7

LOA

11.229 m

Displacement

7142 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6061

Medium

0.8227

High

0.968

Triple Offshore

Low

0.7805

Medium

1.0203

High

1.1566

Boat Specifications

Dimensions

Length overall: 11.229 m
Beam: 3.47 m
Draft: 2.05 m
Displacement: 7142 kg
Crew weight: 650 kg
Wetted surface: 27.93 m²

Sails

Mainsail: 27.5 m²
Genoa: 49.42 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 78.51 m²

Design

Type: Swan 371
Builder: Nautor
Designer: Holland
Year built: 1979
Stability index: 145.6

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.

6,43,4.443814,52,4.95,60,5.23,75,5.43,90,5.36,110,5.15,120,4.99,135,4.53,146,4.04083,150,3.87
8,40.8,5.138739,52,5.84,60,6.14,75,6.36,90,6.32,110,6.25,120,6.06,135,5.56,147.5,5.003608,150,4.87
10,41.4,5.879129,52,6.53,60,6.73,75,6.86,90,6.88,110,6.94,120,6.84,135,6.46,146.6,5.893289,150,5.68
12,39.6,6.294506,52,6.88,60,7.02,75,7.13,90,7.24,110,7.29,120,7.23,135,6.99,147.3,6.559631,150,6.37
14,38.2,6.489731,52,7.07,60,7.21,75,7.34,90,7.5,110,7.6,120,7.53,135,7.32,149.6,6.817283,150,6.79
16,37.5,6.592271,52,7.19,60,7.35,75,7.53,90,7.7,110,7.92,120,7.86,135,7.61,150,7.08,171.2,6.526831
20,36.6,6.639118,52,7.3,60,7.51,75,7.84,90,8.01,110,8.51,120,8.53,135,8.26,150,7.52,175,7.157235

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.23	5.43	5.36	5.15	4.99	4.53	3.87
8	5.84	6.14	6.36	6.32	6.25	6.06	5.56	4.87
10	6.53	6.73	6.86	6.88	6.94	6.84	6.46	5.68
12	6.88	7.02	7.13	7.24	7.29	7.23	6.99	6.37
14	7.07	7.21	7.34	7.5	7.6	7.53	7.32	6.79
16	7.19	7.35	7.53	7.7	7.92	7.86	7.61	7.08
20	7.3	7.51	7.84	8.01	8.51	8.53	8.26	7.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.25	146°	3.35
8	40.8°	3.89	147.5°	4.22
10	41.4°	4.41	146.6°	4.92
12	39.6°	4.85	147.3°	5.52
14	38.2°	5.1	149.6°	5.88
16	37.5°	5.23	171.2°	6.45
20	36.6°	5.33	175°	7.13

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