TROUBLE & STRIFE — ORC Rating

GPH

554.4

OSN

539.6

LOA

11.98 m

Displacement

5216 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7425

Medium

0.9903

High

1.1294

Triple Offshore

Low

0.9566

Medium

1.2145

High

1.3658

Boat Specifications

Dimensions

Length overall: 11.98 m
Beam: 3.79 m
Draft: 2.6 m
Displacement: 5216 kg
Crew weight: 830 kg
Wetted surface: 29.46 m²

Sails

Mainsail: 54 m²
Genoa: 37.97 m²
Spinnaker: 137.03 m²
Asymmetric spinnaker: 0 m²

Design

Type: COOKSON 12
Builder: COOKSONS
Designer: BRUCE 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.

6,42.4,5.349003,52,5.99,60,6.34,75,6.63,90,6.56,110,6.44,120,6.28,135,5.67,141.2,5.312201,150,4.78
8,40.9,6.350437,52,7.13,60,7.37,75,7.54,90,7.53,110,7.63,120,7.55,135,7.04,140,6.709793,150,5.94
10,39,6.884164,52,7.62,60,7.8,75,7.98,90,7.99,110,8.22,120,8.18,135,7.84,148,7.181196,150,7.03
12,37.5,7.020831,52,7.79,60,8.02,75,8.33,90,8.42,110,8.64,120,8.83,135,8.43,150,7.81,155.5,7.549772
14,37.5,7.134274,52,7.88,60,8.13,75,8.6,90,8.88,110,9.01,120,9.37,135,9.14,150,8.34,171,7.55299
16,36.8,7.193424,52,7.93,60,8.2,75,8.75,90,9.25,110,9.38,120,9.8,135,9.96,150,8.97,180,7.99
20,37,7.299951,52,8.08,60,8.42,75,8.9,90,9.67,110,10.18,120,10.71,135,11.81,150,10.54,151,10.427389

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.99	6.34	6.63	6.56	6.44	6.28	5.67	4.78
8	7.13	7.37	7.54	7.53	7.63	7.55	7.04	5.94
10	7.62	7.8	7.98	7.99	8.22	8.18	7.84	7.03
12	7.79	8.02	8.33	8.42	8.64	8.83	8.43	7.81
14	7.88	8.13	8.6	8.88	9.01	9.37	9.14	8.34
16	7.93	8.2	8.75	9.25	9.38	9.8	9.96	8.97
20	8.08	8.42	8.9	9.67	10.18	10.71	11.81	10.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.95	141.2°	4.14
8	40.9°	4.8	140°	5.14
10	39°	5.35	148°	6.09
12	37.5°	5.57	155.5°	6.87
14	37.5°	5.66	171°	7.46
16	36.8°	5.76	180°	7.99
20	37°	5.83	151°	9.12

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