GRACE O'MALLEY — ORC Rating

GPH

544.2

OSN

528.3

LOA

11.99 m

Displacement

4818 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8503

Medium

1.138

High

1.2998

Triple Offshore

Low

1.0921

Medium

1.393

High

1.5781

Boat Specifications

Dimensions

Length overall: 11.99 m
Beam: 3.83 m
Draft: 2.78 m
Displacement: 4818 kg
Crew weight: 850 kg
Wetted surface: 28.71 m²

Sails

Mainsail: 51.88 m²
Genoa: 37.21 m²
Spinnaker: 137.88 m²
Asymmetric spinnaker: 111.43 m²

Design

Type: COOKSON 12
Builder: COOKSON
Designer: FARR
Year built: 1995

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.

6,42.1,5.391011,52,6.06,60,6.4,75,6.69,90,6.59,110,6.55,120,6.38,135,5.75,143.4,5.231575,150,4.85
8,40.8,6.446541,52,7.2,60,7.43,75,7.58,90,7.65,110,7.72,120,7.63,135,7.14,143.3,6.597856,150,6.11
10,38.1,6.963726,52,7.71,60,7.88,75,8.04,90,8.11,110,8.35,120,8.29,135,7.92,150,7.19,150.5,7.157993
12,36.9,7.165324,52,7.92,60,8.16,75,8.48,90,8.53,110,8.96,120,9,135,8.56,150,7.88,157.2,7.528232
14,36.2,7.224643,52,8.03,60,8.32,75,8.83,90,9.04,110,9.39,120,9.69,135,9.31,150,8.46,172.1,7.592053
16,35.8,7.286726,52,8.09,60,8.42,75,9.02,90,9.5,110,9.8,120,10.29,135,10.2,150,9.12,180,8.06
20,35.8,7.422351,52,8.29,60,8.64,75,9.21,90,10.06,110,10.57,120,11.31,135,12.25,148.1,11.025103,150,10.8

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.06	6.4	6.69	6.59	6.55	6.38	5.75	4.85
8	7.2	7.43	7.58	7.65	7.72	7.63	7.14	6.11
10	7.71	7.88	8.04	8.11	8.35	8.29	7.92	7.19
12	7.92	8.16	8.48	8.53	8.96	9	8.56	7.88
14	8.03	8.32	8.83	9.04	9.39	9.69	9.31	8.46
16	8.09	8.42	9.02	9.5	9.8	10.29	10.2	9.12
20	8.29	8.64	9.21	10.06	10.57	11.31	12.25	10.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	4	143.4°	4.2
8	40.8°	4.88	143.3°	5.29
10	38.1°	5.48	150.5°	6.23
12	36.9°	5.73	157.2°	6.94
14	36.2°	5.83	172.1°	7.52
16	35.8°	5.91	180°	8.06
20	35.8°	6.02	148.1°	9.36

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