Erathostenes — ORC Rating

GPH

449.5

OSN

433.6

LOA

34.34 m

Displacement

101867 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8202

Medium

1.1926

High

1.4544

Triple Offshore

Low

1.0849

Medium

1.542

High

1.8258

Boat Specifications

Dimensions

Length overall: 34.34 m
Beam: 7.43 m
Draft: 4.19 m
Displacement: 101867 kg
Crew weight: 3023 kg
Wetted surface: 173.95 m²

Sails

Mainsail: 279.93 m²
Genoa: 246.21 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 638.41 m²

Design

Type: Swan 112
Builder: Nautor
Designer: Frers
Year built: 1999
Stability index: 136.1

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.

6,47.2,6.196267,52,6.68,60,7.28,75,7.83,90,7.78,110,7.33,120,7.1,135,6.29,141.2,5.838289,150,5.25
8,45.4,7.633663,52,8.38,60,8.98,75,9.51,90,9.46,110,9.21,120,8.99,135,8.1,143,7.412643,150,6.84
10,44.2,8.74586,52,9.68,60,10.34,75,10.94,90,10.9,110,10.86,120,10.63,135,9.65,144.8,8.73774,150,8.24
12,44.2,9.610682,52,10.63,60,11.31,75,11.87,90,11.93,110,12.06,120,11.92,135,11.07,146.9,9.848174,150,9.53
14,43.2,9.972994,52,11.15,60,11.81,75,12.37,90,12.51,110,12.7,120,12.66,135,12.11,148.4,10.930733,150,10.75
16,43,10.282303,52,11.45,60,12.06,75,12.66,90,12.9,110,13.02,120,13.21,135,12.76,150,11.754851
20,42.3,10.64044,52,11.77,60,12.31,75,12.96,90,13.5,110,13.57,120,14.05,135,13.95,150,12.86,151.6,12.675517

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.68	7.28	7.83	7.78	7.33	7.1	6.29	5.25
8	8.38	8.98	9.51	9.46	9.21	8.99	8.1	6.84
10	9.68	10.34	10.94	10.9	10.86	10.63	9.65	8.24
12	10.63	11.31	11.87	11.93	12.06	11.92	11.07	9.53
14	11.15	11.81	12.37	12.51	12.7	12.66	12.11	10.75
16	11.45	12.06	12.66	12.9	13.02	13.21	12.76	11.76
20	11.77	12.31	12.96	13.5	13.57	14.05	13.95	12.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	47.2°	4.21	141.2°	4.55
8	45.4°	5.36	143°	5.92
10	44.2°	6.27	144.8°	7.14
12	44.2°	6.89	146.9°	8.25
14	43.2°	7.27	148.4°	9.31
16	43°	7.52	150°	10.18
20	42.3°	7.87	151.6°	11.15

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