ALOY: ORC Rating

GPH

601.1

OSN

581.7

LOA

11.924 m

Displacement

6845 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6708

Medium

0.9212

High

1.0721

Triple Offshore

Low

0.8649

Medium

1.1299

High

1.2748

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.4 m
Displacement: 6845 kg
Crew weight: 600 kg
Wetted surface: 30.97 m²

Sails

Mainsail: 48.54 m²
Genoa: 36.66 m²
Spinnaker: 82.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 40.7
Builder: Beneteau
Designer: 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.

6,42.3,4.975453,52,5.57,60,5.85,75,6.03,90,5.91,110,5.73,120,5.53,135,4.94,143.4,4.434383,150,4.12
8,40.4,5.882829,52,6.58,60,6.82,75,6.98,90,6.91,110,6.92,120,6.74,135,6.14,148.2,5.377149,150,5.28
10,38.8,6.467027,52,7.19,60,7.37,75,7.5,90,7.53,110,7.62,120,7.5,135,7.04,150,6.28,151.8,6.184022
12,37.4,6.747106,52,7.51,60,7.68,75,7.83,90,7.9,110,8.06,120,7.98,135,7.62,150,7.08,156.5,6.771639
14,37.2,6.917505,52,7.66,60,7.86,75,8.08,90,8.15,110,8.46,120,8.4,135,8.06,150,7.62,165.9,7.073098
16,36.9,7.00276,52,7.76,60,7.97,75,8.28,90,8.43,110,8.83,120,8.8,135,8.48,150,8.03,176.8,7.421572
20,36.9,7.115305,52,7.86,60,8.1,75,8.51,90,8.87,110,9.3,120,9.65,135,9.39,150,8.84,178.8,8.211801
24,37.6,7.156474,52,7.89,60,8.15,75,8.64,90,9.17,110,9.66,120,10.31,135,10.66,150,9.82,178.1,8.98494

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.85	6.03	5.91	5.73	5.53	4.94	4.12
8	6.58	6.82	6.98	6.91	6.92	6.74	6.14	5.28
10	7.19	7.37	7.5	7.53	7.62	7.5	7.04	6.28
12	7.51	7.68	7.83	7.9	8.06	7.98	7.62	7.08
14	7.66	7.86	8.08	8.15	8.46	8.4	8.06	7.62
16	7.76	7.97	8.28	8.43	8.83	8.8	8.48	8.03
20	7.86	8.1	8.51	8.87	9.3	9.65	9.39	8.84
24	7.89	8.15	8.64	9.17	9.66	10.31	10.66	9.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.68	143.4°	3.56
8	40.4°	4.48	148.2°	4.57
10	38.8°	5.04	151.8°	5.45
12	37.4°	5.36	156.5°	6.21
14	37.2°	5.51	165.9°	6.86
16	36.9°	5.6	176.8°	7.41
20	36.9°	5.69	178.8°	8.21
24	37.6°	5.67	178.1°	8.98

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.57	6.58	7.19	7.51	7.66	7.76	7.86	7.89
60°	5.85	6.82	7.37	7.68	7.86	7.97	8.10	8.15
75°	6.03	6.98	7.50	7.83	8.08	8.28	8.51	8.64
90°	5.91	6.91	7.53	7.90	8.15	8.43	8.87	9.17
110°	5.73	6.92	7.62	8.06	8.46	8.83	9.30	9.66
120°	5.53	6.74	7.50	7.98	8.40	8.80	9.65	10.31
135°	4.94	6.14	7.04	7.62	8.06	8.48	9.39	10.66
150°	4.12	5.28	6.28	7.08	7.62	8.03	8.84	9.82