Olivia: ORC Rating

GPH

641

OSN

620

LOA

12.12 m

Displacement

8896 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6128

Medium

0.8533

High

1.033

Triple Offshore

Low

0.7941

Medium

1.0641

High

1.2331

Boat Specifications

Dimensions

Length overall: 12.12 m
Beam: 3.98 m
Draft: 2.07 m
Displacement: 8896 kg
Crew weight: 782 kg
Wetted surface: 33.58 m²

Sails

Mainsail: 36.18 m²
Genoa: 42.76 m²
Spinnaker: 93.75 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 405 GL
Builder: Dufour Yachts
Designer: Felci
Year built: 2009

Performance data

Polar CSV

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

6,43.9,4.39941,52,4.93,60,5.25,75,5.5,90,5.44,110,5.39,120,5.24,135,4.75,146,4.197638,150,4.02
8,42,5.194142,52,5.87,60,6.2,75,6.48,90,6.43,110,6.56,120,6.39,135,5.85,150,5.103776
10,42,5.893871,52,6.61,60,6.93,75,7.17,90,7.25,110,7.38,120,7.28,135,6.8,150,6.03,152,5.923341
12,41.2,6.445912,52,7.14,60,7.36,75,7.54,90,7.7,110,7.81,120,7.74,135,7.45,150,6.83,154,6.631108
14,39.8,6.781351,52,7.45,60,7.62,75,7.78,90,7.98,110,8.14,120,8.08,135,7.83,150,7.44,164,6.886782
16,39,6.935634,52,7.62,60,7.8,75,7.98,90,8.14,110,8.49,120,8.42,135,8.15,150,7.79,180,7.22
20,39,7.06431,52,7.74,60,7.97,75,8.32,90,8.49,110,9.1,120,9.17,135,8.88,150,8.42,180,7.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.25	5.5	5.44	5.39	5.24	4.75	4.02
8	5.87	6.2	6.48	6.43	6.56	6.39	5.85	5.11
10	6.61	6.93	7.17	7.25	7.38	7.28	6.8	6.03
12	7.14	7.36	7.54	7.7	7.81	7.74	7.45	6.83
14	7.45	7.62	7.78	7.98	8.14	8.08	7.83	7.44
16	7.62	7.8	7.98	8.14	8.49	8.42	8.15	7.79
20	7.74	7.97	8.32	8.49	9.1	9.17	8.88	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.17	146°	3.48
8	42°	3.86	150°	4.42
10	42°	4.38	152°	5.23
12	41.2°	4.85	154°	5.96
14	39.8°	5.21	164°	6.62
16	39°	5.39	180°	7.22
20	39°	5.49	180°	7.94

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°	4.93	5.87	6.61	7.14	7.45	7.62	7.74
60°	5.25	6.20	6.93	7.36	7.62	7.80	7.97
75°	5.50	6.48	7.17	7.54	7.78	7.98	8.32
90°	5.44	6.43	7.25	7.70	7.98	8.14	8.49
110°	5.39	6.56	7.38	7.81	8.14	8.49	9.10
120°	5.24	6.39	7.28	7.74	8.08	8.42	9.17
135°	4.75	5.85	6.80	7.45	7.83	8.15	8.88
150°	4.02	5.11	6.03	6.83	7.44	7.79	8.42