HEDAA: ORC Rating

GPH

652

OSN

634.6

LOA

11.158 m

Displacement

8068 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5948

Medium

0.8223

High

0.9745

Triple Offshore

Low

0.7846

Medium

1.0459

High

1.199

Boat Specifications

Dimensions

Length overall: 11.158 m
Beam: 4.02 m
Draft: 1.93 m
Displacement: 8068 kg
Crew weight: 615 kg
Wetted surface: 33.95 m²

Sails

Mainsail: 38.24 m²
Genoa: 32.07 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 105.7 m²

Design

Type: Dufour 390
Builder: DUFOUR
Designer: Felici
Year built: 2019

Performance data

Polar CSV

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

6,46.5,4.285582,52,4.66,60,5.02,75,5.51,90,5.8,110,5.65,120,5.39,135,4.83,145,4.321542,150,4.09
8,44.6,5.084084,52,5.6,60,5.96,75,6.57,90,6.89,110,6.78,120,6.55,135,5.97,147.5,5.311887,150,5.17
10,43.5,5.693612,52,6.32,60,6.7,75,7.28,90,7.52,110,7.48,120,7.36,135,6.92,147.2,6.257684,150,6.08
12,42.8,6.22845,52,6.91,60,7.2,75,7.64,90,7.87,110,7.89,120,7.81,135,7.52,147.8,6.984221,150,6.83
14,42,6.607057,52,7.27,60,7.5,75,7.85,90,8.14,110,8.25,120,8.17,135,7.9,149.8,7.33563,150,7.32
16,41.4,6.758999,52,7.45,60,7.68,75,7.95,90,8.39,110,8.62,120,8.58,135,8.26,150,7.65,175,6.876166
20,42,6.822358,52,7.51,60,7.78,75,8.21,90,8.68,110,9.29,120,9.43,135,9.07,150,8.19,178,7.674675

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.66	5.02	5.51	5.8	5.65	5.39	4.83	4.09
8	5.6	5.96	6.57	6.89	6.78	6.55	5.97	5.17
10	6.32	6.7	7.28	7.52	7.48	7.36	6.92	6.08
12	6.91	7.2	7.64	7.87	7.89	7.81	7.52	6.83
14	7.27	7.5	7.85	8.14	8.25	8.17	7.9	7.32
16	7.45	7.68	7.95	8.39	8.62	8.58	8.26	7.65
20	7.51	7.78	8.21	8.68	9.29	9.43	9.07	8.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.5°	2.95	145°	3.54
8	44.6°	3.62	147.5°	4.48
10	43.5°	4.13	147.2°	5.26
12	42.8°	4.57	147.8°	5.91
14	42°	4.91	149.8°	6.34
16	41.4°	5.07	175°	6.85
20	42°	5.07	178°	7.67

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°	4.66	5.60	6.32	6.91	7.27	7.45	7.51
60°	5.02	5.96	6.70	7.20	7.50	7.68	7.78
75°	5.51	6.57	7.28	7.64	7.85	7.95	8.21
90°	5.80	6.89	7.52	7.87	8.14	8.39	8.68
110°	5.65	6.78	7.48	7.89	8.25	8.62	9.29
120°	5.39	6.55	7.36	7.81	8.17	8.58	9.43
135°	4.83	5.97	6.92	7.52	7.90	8.26	9.07
150°	4.09	5.17	6.08	6.83	7.32	7.65	8.19