AETHRA: ORC Rating

GPH

702

OSN

679.6

LOA

9.785 m

Displacement

4536 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6482

Medium

0.8857

High

1.0291

Triple Offshore

Low

0.8309

Medium

1.0894

High

1.2251

Boat Specifications

Dimensions

Length overall: 9.785 m
Beam: 3.32 m
Draft: 1.82 m
Displacement: 4536 kg
Crew weight: 560 kg
Wetted surface: 22.13 m²

Sails

Mainsail: 22.56 m²
Genoa: 32.93 m²
Spinnaker: 63.85 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 32
Builder: BENETEAU
Designer: J. BERRET
Year built: 1981

Performance data

Polar CSV

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

6,42.7,4.122928,52,4.6,60,4.84,75,5.02,90,4.97,110,4.92,120,4.79,135,4.37,147.5,3.841633,150,3.75
8,41.1,4.817113,52,5.43,60,5.71,75,5.93,90,5.89,110,5.99,120,5.83,135,5.36,150,4.73,151.3,4.674249
10,41.4,5.465857,52,6.09,60,6.29,75,6.44,90,6.52,110,6.6,120,6.52,135,6.21,150,5.57,153.1,5.416028
12,40.7,5.882862,52,6.42,60,6.58,75,6.72,90,6.83,110,6.94,120,6.88,135,6.67,150,6.28,157.6,5.970498
14,39.9,6.035206,52,6.58,60,6.74,75,6.92,90,7.01,110,7.25,120,7.2,135,6.98,150,6.68,180,6.13
16,39.1,6.043453,52,6.65,60,6.84,75,7.08,90,7.18,110,7.55,120,7.54,135,7.29,150,6.97,180,6.57
20,39.5,6.065126,52,6.67,60,6.89,75,7.26,90,7.56,110,7.91,120,8.16,135,7.99,150,7.58,180,7.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.6	4.84	5.02	4.97	4.92	4.79	4.37	3.75
8	5.43	5.71	5.93	5.89	5.99	5.83	5.36	4.73
10	6.09	6.29	6.44	6.52	6.6	6.52	6.21	5.57
12	6.42	6.58	6.72	6.83	6.94	6.88	6.67	6.28
14	6.58	6.74	6.92	7.01	7.25	7.2	6.98	6.68
16	6.65	6.84	7.08	7.18	7.55	7.54	7.29	6.97
20	6.67	6.89	7.26	7.56	7.91	8.16	7.99	7.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.03	147.5°	3.24
8	41.1°	3.63	151.3°	4.1
10	41.4°	4.1	153.1°	4.83
12	40.7°	4.46	157.6°	5.52
14	39.9°	4.63	180°	6.13
16	39.1°	4.69	180°	6.57
20	39.5°	4.68	180°	7.14

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°	4.60	5.43	6.09	6.42	6.58	6.65	6.67
60°	4.84	5.71	6.29	6.58	6.74	6.84	6.89
75°	5.02	5.93	6.44	6.72	6.92	7.08	7.26
90°	4.97	5.89	6.52	6.83	7.01	7.18	7.56
110°	4.92	5.99	6.60	6.94	7.25	7.55	7.91
120°	4.79	5.83	6.52	6.88	7.20	7.54	8.16
135°	4.37	5.36	6.21	6.67	6.98	7.29	7.99
150°	3.75	4.73	5.57	6.28	6.68	6.97	7.58