Vildensky — ORC Rating

GPH

685.2

OSN

663

LOA

9.87 m

Displacement

4517 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5905

Medium

0.8126

High

0.9434

Triple Offshore

Low

0.7609

Medium

0.9909

High

1.1094

Boat Specifications

Dimensions

Length overall: 9.87 m
Beam: 3.08 m
Draft: 1.76 m
Displacement: 4517 kg
Crew weight: 540 kg
Wetted surface: 21.58 m²

Sails

Mainsail: 26.79 m²
Genoa: 29.24 m²
Spinnaker: 71.5 m²
Asymmetric spinnaker: 0 m²

Design

Type: Contrast 33
Builder: Contrast
Designer: MAGNUSSON ROLF
Year built: 1978
Stability index: 127.4

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.

6,43.2,4.321174,52,4.81,60,5.05,75,5.2,90,5.1,110,5.16,120,5.01,135,4.49,146,3.908146,150,3.74
8,41.4,5.092579,52,5.67,60,5.9,75,6.04,90,6.07,110,6.19,120,6.05,135,5.51,150,4.78,151.1,4.728918
10,40,5.626305,52,6.21,60,6.37,75,6.49,90,6.6,110,6.72,120,6.65,135,6.34,150,5.7,151.4,5.626533
12,38.4,5.895162,52,6.49,60,6.63,75,6.76,90,6.89,110,7.06,120,7.02,135,6.78,150,6.4,159.5,6.053345
14,37.8,6.03679,52,6.64,60,6.79,75,6.96,90,7.05,110,7.35,120,7.34,135,7.13,150,6.8,173.6,6.279132
16,37.2,6.101466,52,6.73,60,6.9,75,7.12,90,7.21,110,7.6,120,7.64,135,7.47,150,7.12,179,6.661015
20,37.2,6.201901,52,6.82,60,7.01,75,7.32,90,7.53,110,7.94,120,8.19,135,8.13,150,7.76,179,7.281109

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.81	5.05	5.2	5.1	5.16	5.01	4.49	3.74
8	5.67	5.9	6.04	6.07	6.19	6.05	5.51	4.78
10	6.21	6.37	6.49	6.6	6.72	6.65	6.34	5.7
12	6.49	6.63	6.76	6.89	7.06	7.02	6.78	6.4
14	6.64	6.79	6.96	7.05	7.35	7.34	7.13	6.8
16	6.73	6.9	7.12	7.21	7.6	7.64	7.47	7.12
20	6.82	7.01	7.32	7.53	7.94	8.19	8.13	7.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.15	146°	3.24
8	41.4°	3.82	151.1°	4.14
10	40°	4.31	151.4°	4.94
12	38.4°	4.62	159.5°	5.67
14	37.8°	4.77	173.6°	6.24
16	37.2°	4.86	179°	6.66
20	37.2°	4.94	179°	7.28

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