Metric 4T — ORC Rating

GPH

506.9

OSN

493.8

LOA

12.18 m

Displacement

4866 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8143

Medium

1.0649

High

1.2437

Triple Offshore

Low

1.0459

Medium

1.3213

High

1.5309

Boat Specifications

Dimensions

Length overall: 12.18 m
Beam: 4.15 m
Draft: 2.96 m
Displacement: 4866 kg
Crew weight: 340 kg
Wetted surface: 34.16 m²

Sails

Mainsail: 75.14 m²
Genoa: 41.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 133.68 m²

Design

Type: Class 40 OCD 40
Builder: Jazz Marine
Designer: Owen Clarke Design
Year built: 2007

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.

6,42.2,6.101474,52,6.83,60,7.18,75,7.41,90,7.31,110,6.9,120,6.69,135,6.02,141.7,5.555723,150,5.03
8,39.7,6.914483,52,7.71,60,7.98,75,8.22,90,8.19,110,8.09,120,8,135,7.47,144.4,6.825722,150,6.41
10,37.4,7.275798,52,8.17,60,8.44,75,8.75,90,8.87,110,8.88,120,8.89,135,8.4,149.8,7.543897,150,7.53
12,36.7,7.520807,52,8.42,60,8.76,75,9.25,90,9.47,110,9.66,120,9.75,135,9.29,150,8.34,151.6,8.219191
14,36,7.6389,52,8.62,60,9,75,9.59,90,10.05,110,10.2,120,10.63,135,10.35,149.3,9.164365,150,9.1
16,35.5,7.726176,52,8.78,60,9.19,75,9.87,90,10.54,110,10.73,120,11.38,135,11.56,146.3,10.469327,150,10.05
20,35.2,7.856624,52,9.02,60,9.48,75,10.33,90,11.32,110,12.25,120,12.68,135,13.96,144.4,13.257889,150,12.45
24,36.1,7.859009,52,9.06,60,9.59,75,10.62,90,11.88,110,13.69,120,13.84,135,16.21,146.6,16.577871,150,15.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.83	7.18	7.41	7.31	6.9	6.69	6.02	5.03
8	7.71	7.98	8.22	8.19	8.09	8	7.47	6.41
10	8.17	8.44	8.75	8.87	8.88	8.89	8.4	7.53
12	8.42	8.76	9.25	9.47	9.66	9.75	9.29	8.34
14	8.62	9	9.59	10.05	10.2	10.63	10.35	9.1
16	8.78	9.19	9.87	10.54	10.73	11.38	11.56	10.05
20	9.02	9.48	10.33	11.32	12.25	12.68	13.96	12.45
24	9.06	9.59	10.62	11.88	13.69	13.84	16.21	15.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	4.52	141.7°	4.36
8	39.7°	5.32	144.4°	5.55
10	37.4°	5.78	149.8°	6.52
12	36.7°	6.03	151.6°	7.23
14	36°	6.18	149.3°	7.88
16	35.5°	6.29	146.3°	8.71
20	35.2°	6.42	144.4°	10.78
24	36.1°	6.35	146.6°	13.84

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