TRUWEN — ORC Rating | RegattaPages

GPH

657.7

OSN

638.2

LOA

11.659 m

Displacement

8609 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6301

Medium

0.8408

High

0.9657

Triple Offshore

Low

0.8028

Medium

1.0269

High

1.1407

Boat Specifications

Dimensions

Length overall: 11.659 m
Beam: 3.52 m
Draft: 1.99 m
Displacement: 8609 kg
Crew weight: 500 kg
Wetted surface: 29.26 m²

Sails

Mainsail: 32.51 m²
Genoa: 54.35 m²
Spinnaker: 113.16 m²
Asymmetric spinnaker: 0 m²

Design

Type: SWAN 38
Builder: NAUTOR
Designer: S+S
Year built: 1974
Stability index: 130.2

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.

6,43,4.63524,52,5.11,60,5.35,75,5.48,90,5.37,110,5.28,120,5.15,135,4.7,146,4.197638,150,4.02
8,41.1,5.347924,52,5.95,60,6.16,75,6.29,90,6.23,110,6.32,120,6.2,135,5.75,150,5.07,150.7,5.034004
10,40,5.848225,52,6.48,60,6.66,75,6.78,90,6.77,110,6.94,120,6.88,135,6.56,150,5.94,153.2,5.780957
12,39.6,6.138765,52,6.76,60,6.92,75,7.07,90,7.09,110,7.3,120,7.28,135,7.07,150,6.63,157.9,6.303097
14,39.3,6.280366,52,6.91,60,7.08,75,7.26,90,7.32,110,7.55,120,7.58,135,7.42,150,7.08,169.4,6.531457
16,38.8,6.338713,52,6.99,60,7.17,75,7.39,90,7.49,110,7.76,120,7.83,135,7.72,150,7.41,177.2,6.908247
20,38.4,6.405566,52,7.07,60,7.28,75,7.58,90,7.76,110,8,120,8.28,135,8.3,150,7.99,178.4,7.532937

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.11	5.35	5.48	5.37	5.28	5.15	4.7	4.02
8	5.95	6.16	6.29	6.23	6.32	6.2	5.75	5.07
10	6.48	6.66	6.78	6.77	6.94	6.88	6.56	5.94
12	6.76	6.92	7.07	7.09	7.3	7.28	7.07	6.63
14	6.91	7.08	7.26	7.32	7.55	7.58	7.42	7.08
16	6.99	7.17	7.39	7.49	7.76	7.83	7.72	7.41
20	7.07	7.28	7.58	7.76	8	8.28	8.3	7.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.39	146°	3.48
8	41.1°	4.03	150.7°	4.39
10	40°	4.48	153.2°	5.16
12	39.6°	4.73	157.9°	5.84
14	39.3°	4.86	169.4°	6.42
16	38.8°	4.94	177.2°	6.9
20	38.4°	5.02	178.4°	7.53

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