WIRED: ORC Rating

GPH

586

OSN

570.4

LOA

11.924 m

Displacement

6800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6956

Medium

0.9386

High

1.0774

Triple Offshore

Low

0.8991

Medium

1.153

High

1.2895

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.4 m
Displacement: 6800 kg
Crew weight: 731 kg
Wetted surface: 31.08 m²

Sails

Mainsail: 49.15 m²
Genoa: 53.33 m²
Spinnaker: 103.38 m²
Asymmetric spinnaker: 93.73 m²

Design

Type: BENETEAU FIRST 40.
Builder: BENETEAU
Designer: BRUCE FARR
Year built: 1997

Performance data

Polar CSV

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

6,42.4,5.145877,52,5.78,60,6.11,75,6.39,90,6.32,110,5.91,120,5.71,135,5.15,144.5,4.618509,150,4.34
8,41.2,6.100358,52,6.85,60,7.11,75,7.29,90,7.27,110,7.12,120,6.94,135,6.35,149,5.518176,150,5.46
10,39.8,6.703255,52,7.41,60,7.58,75,7.72,90,7.72,110,7.74,120,7.64,135,7.26,150,6.46,151,6.402783
12,39,6.948502,52,7.62,60,7.81,75,8.01,90,8.04,110,8.17,120,8.09,135,7.77,150,7.27,156,6.961887
14,38.2,7.02418,52,7.72,60,7.92,75,8.24,90,8.37,110,8.61,120,8.56,135,8.2,150,7.75,171,7.097381
16,37.9,7.07149,52,7.77,60,7.99,75,8.38,90,8.66,110,8.99,120,9.05,135,8.67,150,8.14,180,7.56
20,37.9,7.122181,52,7.8,60,8.05,75,8.52,90,9.05,110,9.46,120,9.91,135,9.72,150,9.03,180,8.34

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.78	6.11	6.39	6.32	5.91	5.71	5.15	4.34
8	6.85	7.11	7.29	7.27	7.12	6.94	6.35	5.46
10	7.41	7.58	7.72	7.72	7.74	7.64	7.26	6.46
12	7.62	7.81	8.01	8.04	8.17	8.09	7.77	7.27
14	7.72	7.92	8.24	8.37	8.61	8.56	8.2	7.75
16	7.77	7.99	8.38	8.66	8.99	9.05	8.67	8.14
20	7.8	8.05	8.52	9.05	9.46	9.91	9.72	9.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.8	144.5°	3.76
8	41.2°	4.59	149°	4.73
10	39.8°	5.15	151°	5.6
12	39°	5.4	156°	6.36
14	38.2°	5.52	171°	7.01
16	37.9°	5.58	180°	7.56
20	37.9°	5.62	180°	8.34

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°	5.78	6.85	7.41	7.62	7.72	7.77	7.80
60°	6.11	7.11	7.58	7.81	7.92	7.99	8.05
75°	6.39	7.29	7.72	8.01	8.24	8.38	8.52
90°	6.32	7.27	7.72	8.04	8.37	8.66	9.05
110°	5.91	7.12	7.74	8.17	8.61	8.99	9.46
120°	5.71	6.94	7.64	8.09	8.56	9.05	9.91
135°	5.15	6.35	7.26	7.77	8.20	8.67	9.72
150°	4.34	5.46	6.46	7.27	7.75	8.14	9.03