Venus: ORC Rating

GPH

623.9

OSN

604.4

LOA

12.57 m

Displacement

8823 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7047

Medium

0.9803

High

1.164

Triple Offshore

Low

0.9181

Medium

1.2322

High

1.4157

Boat Specifications

Dimensions

Length overall: 12.57 m
Beam: 4.17 m
Draft: 2.1 m
Displacement: 8823 kg
Crew weight: 816 kg
Wetted surface: 35.18 m²

Sails

Mainsail: 39.83 m²
Genoa: 46.86 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 105.22 m²

Design

Type: Dufour 425
Builder: Dufour Yachts
Designer: Umberto Felci
Year built: 2007

Performance data

Polar CSV

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

6,44.1,4.553517,52,5.09,60,5.44,75,5.72,90,5.65,110,5.56,120,5.38,135,4.81,144.8,4.295444,150,4.06
8,42.5,5.425367,52,6.1,60,6.45,75,6.76,90,6.71,110,6.8,120,6.58,135,5.98,147.3,5.311875,150,5.16
10,41.9,6.139902,52,6.89,60,7.21,75,7.45,90,7.53,110,7.62,120,7.49,135,6.98,147.3,6.274429,150,6.1
12,41.3,6.735314,52,7.42,60,7.64,75,7.82,90,7.98,110,8.06,120,7.97,135,7.65,147.6,7.082556,150,6.9
14,39.9,7.025867,52,7.71,60,7.9,75,8.08,90,8.28,110,8.44,120,8.35,135,8.06,149.2,7.509082,150,7.45
16,39.6,7.177034,52,7.86,60,8.07,75,8.3,90,8.47,110,8.84,120,8.76,135,8.42,150,7.81,174.1,6.946798
20,39.5,7.257415,52,7.95,60,8.21,75,8.65,90,8.9,110,9.54,120,9.63,135,9.24,150,8.36,178,7.824767

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.44	5.72	5.65	5.56	5.38	4.81	4.06
8	6.1	6.45	6.76	6.71	6.8	6.58	5.98	5.16
10	6.89	7.21	7.45	7.53	7.62	7.49	6.98	6.1
12	7.42	7.64	7.82	7.98	8.06	7.97	7.65	6.9
14	7.71	7.9	8.08	8.28	8.44	8.35	8.06	7.45
16	7.86	8.07	8.3	8.47	8.84	8.76	8.42	7.81
20	7.95	8.21	8.65	8.9	9.54	9.63	9.24	8.36

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.27	144.8°	3.51
8	42.5°	4	147.3°	4.47
10	41.9°	4.57	147.3°	5.28
12	41.3°	5.06	147.6°	5.98
14	39.9°	5.39	149.2°	6.45
16	39.6°	5.53	174.1°	6.91
20	39.5°	5.6	178°	7.82

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°	5.09	6.10	6.89	7.42	7.71	7.86	7.95
60°	5.44	6.45	7.21	7.64	7.90	8.07	8.21
75°	5.72	6.76	7.45	7.82	8.08	8.30	8.65
90°	5.65	6.71	7.53	7.98	8.28	8.47	8.90
110°	5.56	6.80	7.62	8.06	8.44	8.84	9.54
120°	5.38	6.58	7.49	7.97	8.35	8.76	9.63
135°	4.81	5.98	6.98	7.65	8.06	8.42	9.24
150°	4.06	5.16	6.10	6.90	7.45	7.81	8.36