LADY MARILINE: ORC Rating

GPH

618.1

OSN

599.4

LOA

12.06 m

Displacement

7849 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7211

Medium

0.9974

High

1.1683

Triple Offshore

Low

0.9359

Medium

1.2404

High

1.4053

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.16 m
Displacement: 7849 kg
Crew weight: 700 kg
Wetted surface: 32.91 m²

Sails

Mainsail: 46.49 m²
Genoa: 41.64 m²
Spinnaker: 96.06 m²
Asymmetric spinnaker: 95.53 m²

Design

Type: DUFOUR 40
Builder: DUFOUR
Designer: FELCI
Year built: 2002

Performance data

Polar CSV

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

6,43.4,4.665728,52,5.2,60,5.5,75,5.75,90,5.71,110,5.65,120,5.47,135,4.9,145,4.358165,150,4.12
8,41.9,5.508446,52,6.2,60,6.54,75,6.81,90,6.84,110,6.89,120,6.67,135,6.04,149.6,5.252091,150,5.23
10,41.7,6.268096,52,6.99,60,7.25,75,7.43,90,7.56,110,7.61,120,7.48,135,7.03,150,6.2,151.1,6.133886
12,40.8,6.723954,52,7.39,60,7.59,75,7.76,90,7.91,110,8.02,120,7.92,135,7.62,150,7.04,154.5,6.813761
14,39.9,6.869447,52,7.57,60,7.78,75,7.99,90,8.09,110,8.4,120,8.31,135,8.01,150,7.6,167.3,6.980788
16,40,6.983929,52,7.64,60,7.87,75,8.18,90,8.34,110,8.77,120,8.73,135,8.39,150,7.97,180,7.41
20,40.4,7.038385,52,7.69,60,7.94,75,8.39,90,8.81,110,9.22,120,9.56,135,9.26,150,8.72,180,8.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.5	5.75	5.71	5.65	5.47	4.9	4.12
8	6.2	6.54	6.81	6.84	6.89	6.67	6.04	5.23
10	6.99	7.25	7.43	7.56	7.61	7.48	7.03	6.2
12	7.39	7.59	7.76	7.91	8.02	7.92	7.62	7.04
14	7.57	7.78	7.99	8.09	8.4	8.31	8.01	7.6
16	7.64	7.87	8.18	8.34	8.77	8.73	8.39	7.97
20	7.69	7.94	8.39	8.81	9.22	9.56	9.26	8.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.39	145°	3.57
8	41.9°	4.1	149.6°	4.53
10	41.7°	4.68	151.1°	5.37
12	40.8°	5.09	154.5°	6.15
14	39.9°	5.27	167.3°	6.81
16	40°	5.35	180°	7.41
20	40.4°	5.36	180°	8.14

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	6.99	7.39	7.57	7.64	7.69
60°	5.50	6.54	7.25	7.59	7.78	7.87	7.94
75°	5.75	6.81	7.43	7.76	7.99	8.18	8.39
90°	5.71	6.84	7.56	7.91	8.09	8.34	8.81
110°	5.65	6.89	7.61	8.02	8.40	8.77	9.22
120°	5.47	6.67	7.48	7.92	8.31	8.73	9.56
135°	4.90	6.04	7.03	7.62	8.01	8.39	9.26
150°	4.12	5.23	6.20	7.04	7.60	7.97	8.72