Vildensky — ORC Rating

GPH

690.5

OSN

668.9

LOA

9.87 m

Displacement

4516 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5831

Medium

0.8033

High

0.9349

Triple Offshore

Low

0.7535

Medium

0.9835

High

1.1036

Boat Specifications

Dimensions

Length overall: 9.87 m
Beam: 3.08 m
Draft: 1.76 m
Displacement: 4516 kg
Crew weight: 543 kg
Wetted surface: 21.59 m²

Sails

Mainsail: 27.2 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.

6,43.2,4.197712,52,4.69,60,4.95,75,5.14,90,5.09,110,5.16,120,5,135,4.52,146.9,3.915395,150,3.79
8,41.2,4.890919,52,5.54,60,5.83,75,6.03,90,6.11,110,6.21,120,6.07,135,5.5,150,4.79,152,4.700166
10,41.4,5.572508,52,6.16,60,6.35,75,6.48,90,6.63,110,6.71,120,6.65,135,6.36,150,5.7,150.2,5.692783
12,39.6,5.892176,52,6.46,60,6.6,75,6.73,90,6.9,110,7.04,120,6.98,135,6.76,150,6.42,159.2,6.086696
14,38.8,6.043591,52,6.61,60,6.76,75,6.92,90,7.03,110,7.36,120,7.32,135,7.08,150,6.78,173.9,6.295646
16,38.2,6.107982,52,6.69,60,6.86,75,7.09,90,7.19,110,7.66,120,7.68,135,7.44,150,7.08,179,6.661015
20,38.1,6.163152,52,6.75,60,6.95,75,7.31,90,7.59,110,7.98,120,8.28,135,8.18,150,7.76,179,7.241103

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.95	5.14	5.09	5.16	5	4.52	3.79
8	5.54	5.83	6.03	6.11	6.21	6.07	5.5	4.79
10	6.16	6.35	6.48	6.63	6.71	6.65	6.36	5.7
12	6.46	6.6	6.73	6.9	7.04	6.98	6.76	6.42
14	6.61	6.76	6.92	7.03	7.36	7.32	7.08	6.78
16	6.69	6.86	7.09	7.19	7.66	7.68	7.44	7.08
20	6.75	6.95	7.31	7.59	7.98	8.28	8.18	7.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.06	146.9°	3.28
8	41.2°	3.68	152°	4.15
10	41.4°	4.18	150.2°	4.94
12	39.6°	4.54	159.2°	5.69
14	38.8°	4.71	173.9°	6.26
16	38.2°	4.8	179°	6.66
20	38.1°	4.85	179°	7.24

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