HEDAA: ORC Rating

GPH

646

OSN

627.9

LOA

11.158 m

Displacement

8068 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6034

Medium

0.8335

High

0.9752

Triple Offshore

Low

0.7929

Medium

1.0563

High

1.2032

Boat Specifications

Dimensions

Length overall: 11.158 m
Beam: 4.02 m
Draft: 1.93 m
Displacement: 8068 kg
Crew weight: 550 kg
Wetted surface: 33.49 m²

Sails

Mainsail: 38.87 m²
Genoa: 32.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.13 m²

Design

Type: Dufour 390
Builder: DUFOUR
Designer: Felici
Year built: 2019
Stability index: 114.5

Performance data

Polar CSV

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

6,45.7,4.252484,52,4.69,60,5.04,75,5.5,90,5.8,110,5.67,120,5.45,135,4.91,144.8,4.430059,150,4.18
8,44.1,5.096597,52,5.64,60,5.99,75,6.59,90,6.92,110,6.81,120,6.64,135,6.09,147.3,5.430709,150,5.28
10,43.2,5.720411,52,6.37,60,6.73,75,7.3,90,7.54,110,7.53,120,7.44,135,7.05,147.1,6.419572,150,6.22
12,42.9,6.293147,52,6.94,60,7.22,75,7.65,90,7.89,110,7.95,120,7.88,135,7.61,148.2,7.10678,150,6.98
14,42,6.620513,52,7.28,60,7.51,75,7.84,90,8.15,110,8.33,120,8.28,135,8,150,7.424724
16,41.8,6.760781,52,7.44,60,7.68,75,7.92,90,8.4,110,8.7,120,8.72,135,8.41,150,7.74,170.9,6.967697
20,42.3,6.814208,52,7.49,60,7.77,75,8.21,90,8.67,110,9.33,120,9.57,135,9.28,150,8.29,177.2,7.699192

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	5.04	5.5	5.8	5.67	5.45	4.91	4.18
8	5.64	5.99	6.59	6.92	6.81	6.64	6.09	5.28
10	6.37	6.73	7.3	7.54	7.53	7.44	7.05	6.22
12	6.94	7.22	7.65	7.89	7.95	7.88	7.61	6.98
14	7.28	7.51	7.84	8.15	8.33	8.28	8	7.43
16	7.44	7.68	7.92	8.4	8.7	8.72	8.41	7.74
20	7.49	7.77	8.21	8.67	9.33	9.57	9.28	8.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.7°	2.97	144.8°	3.62
8	44.1°	3.66	147.3°	4.57
10	43.2°	4.17	147.1°	5.39
12	42.9°	4.61	148.2°	6.04
14	42°	4.92	150°	6.43
16	41.8°	5.04	170.9°	6.88
20	42.3°	5.04	177.2°	7.69

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°	4.69	5.64	6.37	6.94	7.28	7.44	7.49
60°	5.04	5.99	6.73	7.22	7.51	7.68	7.77
75°	5.50	6.59	7.30	7.65	7.84	7.92	8.21
90°	5.80	6.92	7.54	7.89	8.15	8.40	8.67
110°	5.67	6.81	7.53	7.95	8.33	8.70	9.33
120°	5.45	6.64	7.44	7.88	8.28	8.72	9.57
135°	4.91	6.09	7.05	7.61	8.00	8.41	9.28
150°	4.18	5.28	6.22	6.98	7.43	7.74	8.29