ALCAPONE — ORC Rating

GPH

494.4

OSN

482.3

LOA

12.78 m

Displacement

4143 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8291

Medium

1.0867

High

1.2811

Triple Offshore

Low

1.0738

Medium

1.3563

High

1.5651

Boat Specifications

Dimensions

Length overall: 12.78 m
Beam: 3.97 m
Draft: 2.59 m
Displacement: 4143 kg
Crew weight: 930 kg
Wetted surface: 30.91 m²

Sails

Mainsail: 62.51 m²
Genoa: 45.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 200.73 m²

Design

Type: GP 42 07
Builder: KINGS MARINE
Designer: B&C
Year built: 2006
Stability index: 126

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.

6,44.2,6.067702,52,6.74,60,7.22,75,7.59,90,7.54,110,7.36,120,7.17,135,6.37,141.5,5.89056,150,5.32
8,42,7.131853,52,7.92,60,8.22,75,8.48,90,8.44,110,8.5,120,8.49,135,8.08,141.1,7.606877,150,6.84
10,40,7.401659,52,8.24,60,8.56,75,9.1,90,9.26,110,9.1,120,9.4,135,9.07,148.2,8.153971,150,8.01
12,39.4,7.557585,52,8.4,60,8.76,75,9.47,90,10.02,110,9.69,120,10.1,135,10.32,149.6,9.020147,150,8.99
14,39,7.70769,52,8.52,60,8.9,75,9.71,90,10.46,110,10.43,120,10.78,135,11.54,144.7,10.75799,150,10.14
16,38.8,7.814325,52,8.7,60,9.15,75,9.85,90,10.78,110,11.48,120,11.44,135,12.45,144.7,12.216077,150,11.51
20,39.3,7.882764,52,8.8,60,9.38,75,10.43,90,11.2,110,12.86,120,12.95,135,14.26,146.9,15.255717,150,14.76

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.74	7.22	7.59	7.54	7.36	7.17	6.37	5.32
8	7.92	8.22	8.48	8.44	8.5	8.49	8.08	6.84
10	8.24	8.56	9.1	9.26	9.1	9.4	9.07	8.01
12	8.4	8.76	9.47	10.02	9.69	10.1	10.32	8.99
14	8.52	8.9	9.71	10.46	10.43	10.78	11.54	10.14
16	8.7	9.15	9.85	10.78	11.48	11.44	12.45	11.51
20	8.8	9.38	10.43	11.2	12.86	12.95	14.26	14.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	4.35	141.5°	4.61
8	42°	5.3	141.1°	5.92
10	40°	5.67	148.2°	6.93
12	39.4°	5.84	149.6°	7.78
14	39°	5.99	144.7°	8.78
16	38.8°	6.09	144.7°	9.97
20	39.3°	6.1	146.9°	12.78

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