BIG BANG — ORC Rating

GPH

604.4

OSN

588

LOA

12.31 m

Displacement

7185 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6799

Medium

0.9136

High

1.046

Triple Offshore

Low

0.8743

Medium

1.1173

High

1.2413

Boat Specifications

Dimensions

Length overall: 12.31 m
Beam: 3.8 m
Draft: 2.22 m
Displacement: 7185 kg
Crew weight: 650 kg
Wetted surface: 30.55 m²

Sails

Mainsail: 37.38 m²
Genoa: 56.17 m²
Spinnaker: 114.45 m²
Asymmetric spinnaker: 105.38 m²

Design

Type: F&C 40
Builder: AST. F&C
Designer: GERMAN FRERS
Year built: 1986

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.

6,42,4.978841,52,5.59,60,5.89,75,6.12,90,6.04,110,5.72,120,5.55,135,5.04,145,4.516866,150,4.28
8,40.9,5.860924,52,6.61,60,6.86,75,7.02,90,6.99,110,6.91,120,6.75,135,6.2,149,5.424845,150,5.37
10,40.5,6.535982,52,7.14,60,7.31,75,7.43,90,7.44,110,7.5,120,7.43,135,7.1,150,6.339306
12,38.6,6.692083,52,7.37,60,7.53,75,7.69,90,7.72,110,7.87,120,7.83,135,7.58,150,7.12,156,6.83053
14,38.2,6.807855,52,7.47,60,7.65,75,7.89,90,7.97,110,8.22,120,8.22,135,7.95,150,7.56,172,6.927417
16,37.5,6.83176,52,7.52,60,7.72,75,8.04,90,8.21,110,8.49,120,8.6,135,8.36,150,7.91,180,7.37
20,37.5,6.85697,52,7.55,60,7.78,75,8.19,90,8.59,110,8.85,120,9.19,135,9.2,150,8.67,180,8.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.59	5.89	6.12	6.04	5.72	5.55	5.04	4.28
8	6.61	6.86	7.02	6.99	6.91	6.75	6.2	5.37
10	7.14	7.31	7.43	7.44	7.5	7.43	7.1	6.34
12	7.37	7.53	7.69	7.72	7.87	7.83	7.58	7.12
14	7.47	7.65	7.89	7.97	8.22	8.22	7.95	7.56
16	7.52	7.72	8.04	8.21	8.49	8.6	8.36	7.91
20	7.55	7.78	8.19	8.59	8.85	9.19	9.2	8.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.7	145°	3.7
8	40.9°	4.43	149°	4.65
10	40.5°	4.97	150°	5.49
12	38.6°	5.23	156°	6.24
14	38.2°	5.35	172°	6.86
16	37.5°	5.42	180°	7.37
20	37.5°	5.44	180°	8.07

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