Mina: ORC Rating

GPH

780

OSN

754.5

LOA

9.215 m

Displacement

3722 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5127

Medium

0.706

High

0.8164

Triple Offshore

Low

0.6626

Medium

0.8743

High

0.9781

Boat Specifications

Dimensions

Length overall: 9.215 m
Beam: 3.02 m
Draft: 1.37 m
Displacement: 3722 kg
Crew weight: 500 kg
Wetted surface: 18 m²

Sails

Mainsail: 19.42 m²
Genoa: 23.97 m²
Spinnaker: 56.39 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour Arpege 30
Year built: 1968
Stability index: 113.2

Performance data

Polar CSV

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

6,46,3.69966,52,4.04,60,4.31,75,4.47,90,4.47,110,4.58,120,4.45,135,4.03,147.8,3.54529,150,3.47
8,44.4,4.39485,52,4.86,60,5.12,75,5.3,90,5.42,110,5.55,120,5.42,135,5.01,150,4.44,151.4,4.373661
10,43.6,4.902151,52,5.4,60,5.64,75,5.83,90,5.98,110,6.11,120,6.04,135,5.76,150,5.24,154.7,5.043787
12,42.6,5.216703,52,5.73,60,5.94,75,6.13,90,6.24,110,6.43,120,6.4,135,6.2,150,5.86,161.3,5.489805
14,42.3,5.394581,52,5.91,60,6.1,75,6.31,90,6.38,110,6.66,120,6.67,135,6.51,150,6.24,174.8,5.763721
16,42.3,5.475703,52,5.98,60,6.19,75,6.44,90,6.54,110,6.85,120,6.92,135,6.78,150,6.52,179,6.140935
20,42.9,5.555989,52,6.04,60,6.26,75,6.58,90,6.78,110,7.19,120,7.4,135,7.34,150,7.03,179,6.661015

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.04	4.31	4.47	4.47	4.58	4.45	4.03	3.47
8	4.86	5.12	5.3	5.42	5.55	5.42	5.01	4.44
10	5.4	5.64	5.83	5.98	6.11	6.04	5.76	5.24
12	5.73	5.94	6.13	6.24	6.43	6.4	6.2	5.86
14	5.91	6.1	6.31	6.38	6.66	6.67	6.51	6.24
16	5.98	6.19	6.44	6.54	6.85	6.92	6.78	6.52
20	6.04	6.26	6.58	6.78	7.19	7.4	7.34	7.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	2.57	147.8°	3
8	44.4°	3.14	151.4°	3.84
10	43.6°	3.55	154.7°	4.56
12	42.6°	3.84	161.3°	5.2
14	42.3°	3.99	174.8°	5.74
16	42.3°	4.05	179°	6.14
20	42.9°	4.07	179°	6.66

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°	4.04	4.86	5.40	5.73	5.91	5.98	6.04
60°	4.31	5.12	5.64	5.94	6.10	6.19	6.26
75°	4.47	5.30	5.83	6.13	6.31	6.44	6.58
90°	4.47	5.42	5.98	6.24	6.38	6.54	6.78
110°	4.58	5.55	6.11	6.43	6.66	6.85	7.19
120°	4.45	5.42	6.04	6.40	6.67	6.92	7.40
135°	4.03	5.01	5.76	6.20	6.51	6.78	7.34
150°	3.47	4.44	5.24	5.86	6.24	6.52	7.03