ALHENA GG — ORC Rating

GPH

631.1

OSN

611.9

LOA

11.1 m

Displacement

7029 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7248

Medium

0.9843

High

1.1388

Triple Offshore

Low

0.9308

Medium

1.2102

High

1.3501

Boat Specifications

Dimensions

Length overall: 11.1 m
Beam: 3.43 m
Draft: 2.31 m
Displacement: 7029 kg
Crew weight: 600 kg
Wetted surface: 29.81 m²

Sails

Mainsail: 39.81 m²
Genoa: 35.98 m²
Spinnaker: 91.86 m²
Asymmetric spinnaker: 0 m²

Design

Type: CENTURION 37 S DK
Builder: WAUQUIEZ SA
Designer: DUBOIS Ed
Year built: 1997

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.

6,42.1,4.609314,52,5.16,60,5.42,75,5.63,90,5.55,110,5.53,120,5.37,135,4.87,145.6,4.338797,150,4.13
8,40.3,5.415198,52,6.15,60,6.44,75,6.65,90,6.61,110,6.72,120,6.55,135,5.99,150,5.22,150.2,5.208781
10,40.5,6.115155,52,6.82,60,7.03,75,7.19,90,7.22,110,7.35,120,7.27,135,6.91,150,6.16,151.4,6.082122
12,39.6,6.437268,52,7.12,60,7.3,75,7.46,90,7.49,110,7.69,120,7.66,135,7.41,150,6.95,156,6.655389
14,38.8,6.544016,52,7.24,60,7.43,75,7.64,90,7.72,110,7.96,120,8,135,7.75,150,7.4,173.2,6.767607
16,38.5,6.593338,52,7.29,60,7.49,75,7.78,90,7.93,110,8.12,120,8.35,135,8.12,150,7.73,180,7.24
20,37.9,6.678629,52,7.36,60,7.53,75,7.9,90,8.28,110,8.44,120,8.79,135,8.92,150,8.43,180,7.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.42	5.63	5.55	5.53	5.37	4.87	4.13
8	6.15	6.44	6.65	6.61	6.72	6.55	5.99	5.22
10	6.82	7.03	7.19	7.22	7.35	7.27	6.91	6.16
12	7.12	7.3	7.46	7.49	7.69	7.66	7.41	6.95
14	7.24	7.43	7.64	7.72	7.96	8	7.75	7.4
16	7.29	7.49	7.78	7.93	8.12	8.35	8.12	7.73
20	7.36	7.53	7.9	8.28	8.44	8.79	8.92	8.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.42	145.6°	3.58
8	40.3°	4.13	150.2°	4.52
10	40.5°	4.65	151.4°	5.34
12	39.6°	4.96	156°	6.08
14	38.8°	5.1	173.2°	6.72
16	38.5°	5.16	180°	7.24
20	37.9°	5.27	180°	7.9

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