SPECIAL K — ORC Rating

GPH

683

OSN

667.1

LOA

9.137 m

Displacement

3749 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6216

Medium

0.8051

High

0.8955

Triple Offshore

Low

0.7931

Medium

0.9806

High

1.067

Boat Specifications

Dimensions

Length overall: 9.137 m
Beam: 3.12 m
Draft: 1.69 m
Displacement: 3749 kg
Crew weight: 463 kg
Wetted surface: 19.8 m²

Sails

Mainsail: 23.02 m²
Genoa: 34.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 68.11 m²

Design

Type: CS 30
Builder: Candadian Sailcraf
Designer: Tony Castro
Year built: 1982

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.

6,42.5,4.557308,52,5.09,60,5.34,75,5.49,90,5.39,110,5.27,120,5.11,135,4.62,145.1,4.157767,150,3.94
8,40.9,5.318491,52,5.87,60,6.03,75,6.14,90,6.12,110,6.17,120,6.07,135,5.67,147.2,5.1037,150,4.96
10,38.8,5.67148,52,6.22,60,6.34,75,6.44,90,6.48,110,6.59,120,6.54,135,6.3,148,5.860517,150,5.74
12,38.1,5.832756,52,6.4,60,6.52,75,6.65,90,6.71,110,6.88,120,6.85,135,6.67,149.6,6.214394,150,6.19
14,37.6,5.894309,52,6.48,60,6.63,75,6.8,90,6.87,110,7.15,120,7.15,135,6.97,150,6.49,171.6,5.873004
16,37.5,5.92422,52,6.52,60,6.68,75,6.92,90,7.05,110,7.39,120,7.46,135,7.28,150,6.72,174.1,6.263177
20,37.9,5.930927,52,6.54,60,6.73,75,7.04,90,7.31,110,7.7,120,8.09,135,8.02,150,7.17,175.4,6.771813
24,39.1,5.888823,52,6.51,60,6.72,75,7.1,90,7.46,110,7.91,120,8.5,135,8.91,150,7.72,174.7,7.251

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.34	5.49	5.39	5.27	5.11	4.62	3.94
8	5.87	6.03	6.14	6.12	6.17	6.07	5.67	4.96
10	6.22	6.34	6.44	6.48	6.59	6.54	6.3	5.74
12	6.4	6.52	6.65	6.71	6.88	6.85	6.67	6.19
14	6.48	6.63	6.8	6.87	7.15	7.15	6.97	6.49
16	6.52	6.68	6.92	7.05	7.39	7.46	7.28	6.72
20	6.54	6.73	7.04	7.31	7.7	8.09	8.02	7.17
24	6.51	6.72	7.1	7.46	7.91	8.5	8.91	7.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.36	145.1°	3.41
8	40.9°	4.02	147.2°	4.29
10	38.8°	4.42	148°	4.97
12	38.1°	4.59	149.6°	5.36
14	37.6°	4.67	171.6°	5.81
16	37.5°	4.7	174.1°	6.23
20	37.9°	4.68	175.4°	6.75
24	39.1°	4.57	174.7°	7.22

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