BALU: ORC Rating

GPH

572.3

OSN

559

LOA

12.24 m

Displacement

7782 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7172

Medium

0.9537

High

1.0847

Triple Offshore

Low

0.9307

Medium

1.1766

High

1.3039

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.9 m
Draft: 2.47 m
Displacement: 7782 kg
Crew weight: 540 kg
Wetted surface: 34.6 m²

Sails

Mainsail: 54.15 m²
Genoa: 53.65 m²
Spinnaker: 134.59 m²
Asymmetric spinnaker: 132.48 m²

Design

Type: FIRST 40 DK
Builder: BENETEAU
Designer: FARR
Year built: 2008

Performance data

Polar CSV

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

6,43.1,5.2728,52,5.9,60,6.27,75,6.65,90,6.69,110,6.19,120,6.03,135,5.41,143,4.958457,150,4.57
8,42,6.23028,52,6.98,60,7.29,75,7.55,90,7.57,110,7.42,120,7.28,135,6.68,147.5,5.892875,150,5.74
10,40.1,6.693498,52,7.46,60,7.72,75,7.95,90,7.99,110,8.01,120,7.92,135,7.59,150,6.789639
12,39,6.884164,52,7.65,60,7.89,75,8.19,90,8.3,110,8.4,120,8.37,135,8.08,150,7.57,156,7.257439
14,38.6,6.973586,52,7.74,60,7.99,75,8.34,90,8.6,110,8.68,120,8.86,135,8.54,150,8.05,170,7.371997
16,38.6,7.024768,52,7.8,60,8.06,75,8.45,90,8.86,110,8.96,120,9.29,135,9.07,150,8.47,180,7.81
20,39,7.167251,52,7.86,60,8.11,75,8.56,90,9.13,110,9.47,120,9.87,135,10.3,150,9.48,180,8.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.9	6.27	6.65	6.69	6.19	6.03	5.41	4.57
8	6.98	7.29	7.55	7.57	7.42	7.28	6.68	5.74
10	7.46	7.72	7.95	7.99	8.01	7.92	7.59	6.78
12	7.65	7.89	8.19	8.3	8.4	8.37	8.08	7.57
14	7.74	7.99	8.34	8.6	8.68	8.86	8.54	8.05
16	7.8	8.06	8.45	8.86	8.96	9.29	9.07	8.47
20	7.86	8.11	8.56	9.13	9.47	9.87	10.3	9.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.85	143°	3.96
8	42°	4.63	147.5°	4.97
10	40.1°	5.12	150°	5.88
12	39°	5.35	156°	6.63
14	38.6°	5.45	170°	7.26
16	38.6°	5.49	180°	7.81
20	39°	5.57	180°	8.65

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°	5.90	6.98	7.46	7.65	7.74	7.80	7.86
60°	6.27	7.29	7.72	7.89	7.99	8.06	8.11
75°	6.65	7.55	7.95	8.19	8.34	8.45	8.56
90°	6.69	7.57	7.99	8.30	8.60	8.86	9.13
110°	6.19	7.42	8.01	8.40	8.68	8.96	9.47
120°	6.03	7.28	7.92	8.37	8.86	9.29	9.87
135°	5.41	6.68	7.59	8.08	8.54	9.07	10.30
150°	4.57	5.74	6.78	7.57	8.05	8.47	9.48