AIRSTREAM — ORC Rating

GPH

596.6

OSN

580.1

LOA

12.33 m

Displacement

8714 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7608

Medium

1.0366

High

1.198

Triple Offshore

Low

0.9847

Medium

1.279

High

1.4296

Boat Specifications

Dimensions

Length overall: 12.33 m
Beam: 3.85 m
Draft: 2.32 m
Displacement: 8714 kg
Crew weight: 832 kg
Wetted surface: 35.19 m²

Sails

Mainsail: 52.33 m²
Genoa: 46.44 m²
Spinnaker: 118.99 m²
Asymmetric spinnaker: 104.73 m²

Design

Type: CENTURION 40 S
Builder: WAUQUIEZ
Designer: BERRET
Year built: 2003

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.

6,42.8,4.892809,52,5.49,60,5.81,75,6.09,90,6.03,110,5.88,120,5.72,135,5.17,140.4,4.879864,150,4.35
8,41,5.750556,52,6.51,60,6.83,75,7.09,90,7.08,110,7.12,120,6.97,135,6.37,148.9,5.523977,150,5.46
10,40.6,6.466727,52,7.21,60,7.44,75,7.61,90,7.67,110,7.78,120,7.7,135,7.34,149.1,6.537967,150,6.47
12,39.9,6.817307,52,7.52,60,7.72,75,7.89,90,7.95,110,8.15,120,8.11,135,7.86,150,7.32,154.8,7.084227
14,39,6.935634,52,7.64,60,7.85,75,8.09,90,8.2,110,8.47,120,8.49,135,8.23,150,7.83,166.9,7.228104
16,38.5,6.976671,52,7.7,60,7.91,75,8.22,90,8.43,110,8.76,120,8.9,135,8.64,150,8.18,180,7.61
20,38.1,7.001849,52,7.74,60,7.96,75,8.35,90,8.81,110,9.16,120,9.57,135,9.58,150,8.97,180,8.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.49	5.81	6.09	6.03	5.88	5.72	5.17	4.35
8	6.51	6.83	7.09	7.08	7.12	6.97	6.37	5.46
10	7.21	7.44	7.61	7.67	7.78	7.7	7.34	6.47
12	7.52	7.72	7.89	7.95	8.15	8.11	7.86	7.32
14	7.64	7.85	8.09	8.2	8.47	8.49	8.23	7.83
16	7.7	7.91	8.22	8.43	8.76	8.9	8.64	8.18
20	7.74	7.96	8.35	8.81	9.16	9.57	9.58	8.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.59	140.4°	3.76
8	41°	4.34	148.9°	4.73
10	40.6°	4.91	149.1°	5.61
12	39.9°	5.23	154.8°	6.41
14	39°	5.39	166.9°	7.04
16	38.5°	5.46	180°	7.61
20	38.1°	5.51	180°	8.33

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