Ariel: ORC Rating

GPH

601.6

OSN

584.4

LOA

11.924 m

Displacement

7438 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6716

Medium

0.9158

High

1.0568

Triple Offshore

Low

0.8686

Medium

1.1273

High

1.26

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.43 m
Displacement: 7438 kg
Crew weight: 753 kg
Wetted surface: 31.97 m²

Sails

Mainsail: 48.11 m²
Genoa: 44.98 m²
Spinnaker: 99.17 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 40.7
Builder: Bennetau
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.

6,42.8,4.920067,52,5.49,60,5.81,75,6.08,90,6.03,110,5.78,120,5.61,135,5.06,144.5,4.532526,150,4.26
8,41.2,5.781385,52,6.52,60,6.82,75,7.05,90,7.04,110,7,120,6.84,135,6.23,149,5.424845,150,5.37
10,40.3,6.477259,52,7.19,60,7.39,75,7.54,90,7.56,110,7.66,120,7.56,135,7.16,150,6.35,151,6.288447
12,38.6,6.743265,52,7.48,60,7.66,75,7.83,90,7.88,110,8.06,120,7.99,135,7.69,150,7.17,155.5,6.890403
14,37.9,6.843377,52,7.58,60,7.78,75,8.04,90,8.15,110,8.42,120,8.39,135,8.07,150,7.67,170,7.026752
16,37.9,6.906742,52,7.63,60,7.84,75,8.17,90,8.41,110,8.67,120,8.82,135,8.49,150,8.03,180,7.48
20,38.2,6.97328,52,7.66,60,7.88,75,8.29,90,8.78,110,9.07,120,9.45,135,9.42,150,8.83,180,8.21

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.49	5.81	6.08	6.03	5.78	5.61	5.06	4.26
8	6.52	6.82	7.05	7.04	7	6.84	6.23	5.37
10	7.19	7.39	7.54	7.56	7.66	7.56	7.16	6.35
12	7.48	7.66	7.83	7.88	8.06	7.99	7.69	7.17
14	7.58	7.78	8.04	8.15	8.42	8.39	8.07	7.67
16	7.63	7.84	8.17	8.41	8.67	8.82	8.49	8.03
20	7.66	7.88	8.29	8.78	9.07	9.45	9.42	8.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.61	144.5°	3.69
8	41.2°	4.35	149°	4.65
10	40.3°	4.94	151°	5.5
12	38.6°	5.27	155.5°	6.27
14	37.9°	5.4	170°	6.92
16	37.9°	5.45	180°	7.48
20	38.2°	5.48	180°	8.21

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°	5.49	6.52	7.19	7.48	7.58	7.63	7.66
60°	5.81	6.82	7.39	7.66	7.78	7.84	7.88
75°	6.08	7.05	7.54	7.83	8.04	8.17	8.29
90°	6.03	7.04	7.56	7.88	8.15	8.41	8.78
110°	5.78	7.00	7.66	8.06	8.42	8.67	9.07
120°	5.61	6.84	7.56	7.99	8.39	8.82	9.45
135°	5.06	6.23	7.16	7.69	8.07	8.49	9.42
150°	4.26	5.37	6.35	7.17	7.67	8.03	8.83