BIG BANG: ORC Rating

GPH

606.3

OSN

590

LOA

12.31 m

Displacement

7185 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7645

Medium

1.0231

High

1.1692

Triple Offshore

Low

0.9826

Medium

1.2525

High

1.3883

Boat Specifications

Dimensions

Length overall: 12.31 m
Beam: 3.8 m
Draft: 2.22 m
Displacement: 7185 kg
Crew weight: 500 kg
Wetted surface: 30.54 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

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42,4.978841,52,5.59,60,5.87,75,6.1,90,6.03,110,5.71,120,5.55,135,5.04,145,4.516866,150,4.27
8,40.9,5.860924,52,6.6,60,6.85,75,7.01,90,6.98,110,6.9,120,6.75,135,6.2,149,5.424845,150,5.37
10,40.5,6.483379,52,7.12,60,7.29,75,7.42,90,7.43,110,7.49,120,7.42,135,7.1,150,6.339306
12,39,6.665415,52,7.33,60,7.5,75,7.67,90,7.71,110,7.85,120,7.82,135,7.58,150,7.12,156,6.83053
14,38.2,6.731506,52,7.43,60,7.62,75,7.86,90,7.95,110,8.18,120,8.2,135,7.95,150,7.56,173,6.901442
16,38.2,6.82058,52,7.48,60,7.68,75,8,90,8.18,110,8.42,120,8.57,135,8.35,150,7.91,180,7.37
20,37.9,6.818031,52,7.5,60,7.73,75,8.13,90,8.54,110,8.76,120,9.1,135,9.18,150,8.67,180,8.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.59	5.87	6.1	6.03	5.71	5.55	5.04	4.27
8	6.6	6.85	7.01	6.98	6.9	6.75	6.2	5.37
10	7.12	7.29	7.42	7.43	7.49	7.42	7.1	6.34
12	7.33	7.5	7.67	7.71	7.85	7.82	7.58	7.12
14	7.43	7.62	7.86	7.95	8.18	8.2	7.95	7.56
16	7.48	7.68	8	8.18	8.42	8.57	8.35	7.91
20	7.5	7.73	8.13	8.54	8.76	9.1	9.18	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°	4.93	150°	5.49
12	39°	5.18	156°	6.24
14	38.2°	5.29	173°	6.85
16	38.2°	5.36	180°	7.37
20	37.9°	5.38	180°	8.06

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.59	6.60	7.12	7.33	7.43	7.48	7.50
60°	5.87	6.85	7.29	7.50	7.62	7.68	7.73
75°	6.10	7.01	7.42	7.67	7.86	8.00	8.13
90°	6.03	6.98	7.43	7.71	7.95	8.18	8.54
110°	5.71	6.90	7.49	7.85	8.18	8.42	8.76
120°	5.55	6.75	7.42	7.82	8.20	8.57	9.10
135°	5.04	6.20	7.10	7.58	7.95	8.35	9.18
150°	4.27	5.37	6.34	7.12	7.56	7.91	8.67