APACHE: ORC Rating

GPH

592

OSN

575

LOA

13.33 m

Displacement

9949 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6729

Medium

0.9187

High

1.0498

Triple Offshore

Low

0.876

Medium

1.1492

High

1.2898

Boat Specifications

Dimensions

Length overall: 13.33 m
Beam: 4.23 m
Draft: 1.76 m
Displacement: 9949 kg
Crew weight: 420 kg
Wetted surface: 36.41 m²

Sails

Mainsail: 51.77 m²
Genoa: 53.66 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 118.91 m²

Design

Type: DUFOUR 44 SD
Builder: DUFOUR
Designer: FELCI
Year built: 2004

Performance data

Polar CSV

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

6,46.1,5.033157,52,5.49,60,5.89,75,6.19,90,6.11,110,5.93,120,5.77,135,5.19,143.1,4.739368,150,4.38
8,44.2,5.970061,52,6.57,60,6.92,75,7.18,90,7.14,110,7.18,120,7.03,135,6.46,147.1,5.752603,150,5.58
10,42.7,6.613013,52,7.28,60,7.56,75,7.77,90,7.79,110,7.95,120,7.85,135,7.43,148.5,6.696846,150,6.59
12,41.6,6.980494,52,7.68,60,7.92,75,8.13,90,8.22,110,8.43,120,8.36,135,8.06,149,7.454787,150,7.37
14,41,7.14182,52,7.88,60,8.13,75,8.39,90,8.48,110,8.84,120,8.8,135,8.51,149.9,7.894572,150,7.89
16,40.8,7.225939,52,7.98,60,8.24,75,8.59,90,8.75,110,9.21,120,9.24,135,8.95,150,8.25,170.9,7.342413
20,41,7.287571,52,8.05,60,8.35,75,8.83,90,9.22,110,9.77,120,10.13,135,9.88,150,8.89,176.3,8.167023
24,42.2,7.275873,52,8.03,60,8.36,75,8.96,90,9.52,110,10.19,120,10.95,135,11.12,150,9.59,176.3,8.828402

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.49	5.89	6.19	6.11	5.93	5.77	5.19	4.38
8	6.57	6.92	7.18	7.14	7.18	7.03	6.46	5.58
10	7.28	7.56	7.77	7.79	7.95	7.85	7.43	6.59
12	7.68	7.92	8.13	8.22	8.43	8.36	8.06	7.37
14	7.88	8.13	8.39	8.48	8.84	8.8	8.51	7.89
16	7.98	8.24	8.59	8.75	9.21	9.24	8.95	8.25
20	8.05	8.35	8.83	9.22	9.77	10.13	9.88	8.89
24	8.03	8.36	8.96	9.52	10.19	10.95	11.12	9.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.1°	3.49	143.1°	3.79
8	44.2°	4.28	147.1°	4.83
10	42.7°	4.86	148.5°	5.71
12	41.6°	5.22	149°	6.39
14	41°	5.39	149.9°	6.83
16	40.8°	5.47	170.9°	7.25
20	41°	5.5	176.3°	8.15
24	42.2°	5.39	176.3°	8.81

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.49	6.57	7.28	7.68	7.88	7.98	8.05	8.03
60°	5.89	6.92	7.56	7.92	8.13	8.24	8.35	8.36
75°	6.19	7.18	7.77	8.13	8.39	8.59	8.83	8.96
90°	6.11	7.14	7.79	8.22	8.48	8.75	9.22	9.52
110°	5.93	7.18	7.95	8.43	8.84	9.21	9.77	10.19
120°	5.77	7.03	7.85	8.36	8.80	9.24	10.13	10.95
135°	5.19	6.46	7.43	8.06	8.51	8.95	9.88	11.12
150°	4.38	5.58	6.59	7.37	7.89	8.25	8.89	9.59