Extasea — ORC Rating | RegattaPages

GPH

455.6

OSN

444.4

LOA

15.22 m

Displacement

7404 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8861

Medium

1.1731

High

1.3832

Triple Offshore

Low

1.1509

Medium

1.4761

High

1.7272

Boat Specifications

Dimensions

Length overall: 15.22 m
Beam: 4.25 m
Draft: 3.29 m
Displacement: 7404 kg
Crew weight: 1020 kg
Wetted surface: 40.9 m²

Sails

Mainsail: 93.86 m²
Genoa: 65.37 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 249.01 m²

Design

Type: COOKSON 50
Builder: COOKSON BOATS
Designer: FARR/ COOKSON
Year built: 2004

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.

6,43.5,6.589701,52,7.37,60,7.87,75,8.27,90,8.23,110,7.77,120,7.51,135,6.72,141,6.240784,150,5.6
8,41.2,7.588898,52,8.57,60,8.89,75,9.22,90,9.16,110,9.13,120,9,135,8.45,141.5,7.896672,150,7.14
10,39.8,8.252162,52,9.12,60,9.48,75,10.03,90,10.03,110,10.14,120,10.09,135,9.38,147.2,8.601341,150,8.35
12,38.2,8.436651,52,9.39,60,9.85,75,10.68,90,11.02,110,10.91,120,11.22,135,10.44,150,9.3,152.5,9.030329
14,37.1,8.513211,52,9.59,60,10.1,75,11.06,90,11.83,110,11.67,120,12.04,135,11.77,149.5,10.120363,150,10.07
16,36.4,8.647104,52,9.8,60,10.28,75,11.33,90,12.32,110,12.41,120,12.83,135,13.33,144,11.952777,150,11.16
20,36,8.776083,52,10.19,60,10.83,75,12.05,90,13.01,110,14.79,120,14.88,135,15.91,141.1,16.02327,150,14.39

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.37	7.87	8.27	8.23	7.77	7.51	6.72	5.6
8	8.57	8.89	9.22	9.16	9.13	9	8.45	7.14
10	9.12	9.48	10.03	10.03	10.14	10.09	9.38	8.35
12	9.39	9.85	10.68	11.02	10.91	11.22	10.44	9.3
14	9.59	10.1	11.06	11.83	11.67	12.04	11.77	10.07
16	9.8	10.28	11.33	12.32	12.41	12.83	13.33	11.16
20	10.19	10.83	12.05	13.01	14.79	14.88	15.91	14.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	4.78	141°	4.85
8	41.2°	5.71	141.5°	6.18
10	39.8°	6.34	147.2°	7.23
12	38.2°	6.63	152.5°	8.01
14	37.1°	6.79	149.5°	8.72
16	36.4°	6.96	144°	9.67
20	36°	7.1	141.1°	12.47

Loading polar chart…