WOODRUN: ORC Rating

GPH

642.8

OSN

624.6

LOA

12.06 m

Displacement

7900 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6751

Medium

0.9529

High

1.1435

Triple Offshore

Low

0.8901

Medium

1.1962

High

1.3757

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.07 m
Displacement: 7900 kg
Crew weight: 425 kg
Wetted surface: 32.14 m²

Sails

Mainsail: 46.99 m²
Genoa: 44.27 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 40
Builder: DUFOUR YACHTS
Designer: UMBERTO FELCI
Year built: 2003

Performance data

Polar CSV

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

6,44.3,4.694752,52,5.2,60,5.55,75,5.89,90,5.9,110,5.34,120,5,135,4.28,148.1,3.686813,150,3.61
8,42.9,5.528686,52,6.2,60,6.6,75,6.96,90,6.98,110,6.39,120,6.06,135,5.37,150,4.68,156,4.45517
10,43.2,6.310285,52,7,60,7.31,75,7.54,90,7.56,110,7.27,120,6.96,135,6.28,150,5.58,166.2,5.066241
12,42.2,6.749418,52,7.41,60,7.65,75,7.86,90,7.89,110,7.71,120,7.53,135,7.07,150,6.39,171.1,5.759343
14,40.8,6.882476,52,7.58,60,7.82,75,8.1,90,8.17,110,8.02,120,7.87,135,7.57,150,7.11,172.5,6.475398
16,40.1,6.954963,52,7.67,60,7.91,75,8.3,90,8.45,110,8.34,120,8.18,135,7.89,150,7.58,176.5,7.083212
20,40.4,7.064648,52,7.74,60,7.99,75,8.48,90,8.94,110,9.06,120,8.88,135,8.53,150,8.2,179.5,7.860299

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.55	5.89	5.9	5.34	5	4.28	3.61
8	6.2	6.6	6.96	6.98	6.39	6.06	5.37	4.68
10	7	7.31	7.54	7.56	7.27	6.96	6.28	5.58
12	7.41	7.65	7.86	7.89	7.71	7.53	7.07	6.39
14	7.58	7.82	8.1	8.17	8.02	7.87	7.57	7.11
16	7.67	7.91	8.3	8.45	8.34	8.18	7.89	7.58
20	7.74	7.99	8.48	8.94	9.06	8.88	8.53	8.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.3°	3.36	148.1°	3.13
8	42.9°	4.05	156°	4.07
10	43.2°	4.6	166.2°	4.92
12	42.2°	5	171.1°	5.69
14	40.8°	5.21	172.5°	6.42
16	40.1°	5.32	176.5°	7.07
20	40.4°	5.38	179.5°	7.86

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°	5.20	6.20	7.00	7.41	7.58	7.67	7.74
60°	5.55	6.60	7.31	7.65	7.82	7.91	7.99
75°	5.89	6.96	7.54	7.86	8.10	8.30	8.48
90°	5.90	6.98	7.56	7.89	8.17	8.45	8.94
110°	5.34	6.39	7.27	7.71	8.02	8.34	9.06
120°	5.00	6.06	6.96	7.53	7.87	8.18	8.88
135°	4.28	5.37	6.28	7.07	7.57	7.89	8.53
150°	3.61	4.68	5.58	6.39	7.11	7.58	8.20