LETOILE: ORC Rating

GPH

681.2

OSN

657.5

LOA

9.147 m

Displacement

3406 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.587

Medium

0.8134

High

0.9455

Triple Offshore

Low

0.7571

Medium

1.0001

High

1.1327

Boat Specifications

Dimensions

Length overall: 9.147 m
Beam: 3.22 m
Draft: 1.83 m
Displacement: 3406 kg
Crew weight: 572 kg
Wetted surface: 21.45 m²

Sails

Mainsail: 25.72 m²
Genoa: 23.1 m²
Spinnaker: 62.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 310
Builder: Beneteau
Designer: Finot
Year built: 1990
Stability index: 106.2

Performance data

Polar CSV

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

6,43.6,4.266943,52,4.72,60,4.97,75,5.11,90,5.09,110,5.15,120,4.99,135,4.48,146,3.932271,150,3.76
8,41.8,5.057172,52,5.63,60,5.88,75,6.03,90,6.13,110,6.23,120,6.07,135,5.55,150,4.82,150.1,4.821797
10,40,5.574089,52,6.22,60,6.41,75,6.57,90,6.72,110,6.84,120,6.75,135,6.4,150,5.74,152.3,5.624617
12,38.8,5.928108,52,6.56,60,6.72,75,6.88,90,7.05,110,7.27,120,7.2,135,6.91,150,6.47,158.6,6.122082
14,38.2,6.082532,52,6.74,60,6.92,75,7.13,90,7.24,110,7.66,120,7.64,135,7.34,150,6.93,170,6.376879
16,38.1,6.150444,52,6.82,60,7.04,75,7.35,90,7.48,110,7.99,120,8.06,135,7.78,150,7.33,177.2,6.76808
20,38.4,6.163124,52,6.87,60,7.12,75,7.58,90,7.93,110,8.44,120,8.86,135,8.75,150,8.16,177.2,7.518977

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.72	4.97	5.11	5.09	5.15	4.99	4.48	3.76
8	5.63	5.88	6.03	6.13	6.23	6.07	5.55	4.82
10	6.22	6.41	6.57	6.72	6.84	6.75	6.4	5.74
12	6.56	6.72	6.88	7.05	7.27	7.2	6.91	6.47
14	6.74	6.92	7.13	7.24	7.66	7.64	7.34	6.93
16	6.82	7.04	7.35	7.48	7.99	8.06	7.78	7.33
20	6.87	7.12	7.58	7.93	8.44	8.86	8.75	8.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.09	146°	3.26
8	41.8°	3.77	150.1°	4.18
10	40°	4.27	152.3°	4.98
12	38.8°	4.62	158.6°	5.7
14	38.2°	4.78	170°	6.28
16	38.1°	4.84	177.2°	6.76
20	38.4°	4.83	177.2°	7.51

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°	4.72	5.63	6.22	6.56	6.74	6.82	6.87
60°	4.97	5.88	6.41	6.72	6.92	7.04	7.12
75°	5.11	6.03	6.57	6.88	7.13	7.35	7.58
90°	5.09	6.13	6.72	7.05	7.24	7.48	7.93
110°	5.15	6.23	6.84	7.27	7.66	7.99	8.44
120°	4.99	6.07	6.75	7.20	7.64	8.06	8.86
135°	4.48	5.55	6.40	6.91	7.34	7.78	8.75
150°	3.76	4.82	5.74	6.47	6.93	7.33	8.16