MARENGO: ORC Rating

GPH

698.2

OSN

679.6

LOA

9.435 m

Displacement

4752 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5704

Medium

0.7756

High

0.8862

Triple Offshore

Low

0.7465

Medium

0.9737

High

1.0833

Boat Specifications

Dimensions

Length overall: 9.435 m
Beam: 3.33 m
Draft: 1.83 m
Displacement: 4752 kg
Crew weight: 180 kg
Wetted surface: 21.98 m²

Sails

Mainsail: 24.37 m²
Genoa: 22.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 69.22 m²

Design

Type: OCEANIS 31 DK
Builder: BENETEAU
Designer: FINOT
Year built: 2008

Performance data

Polar CSV

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

6,44.1,4.024362,52,4.56,60,4.92,75,5.28,90,5.39,110,5.15,120,4.99,135,4.5,144.7,4.055689,150,3.82
8,42,4.76354,52,5.45,60,5.8,75,6.17,90,6.3,110,6.21,120,6.07,135,5.6,146.7,5.037046,150,4.86
10,41,5.326552,52,6,60,6.33,75,6.66,90,6.81,110,6.82,120,6.75,135,6.43,146.9,5.908905,150,5.72
12,40.6,5.716007,52,6.34,60,6.55,75,6.91,90,7.1,110,7.18,120,7.15,135,6.93,147.8,6.476063,150,6.33
14,40.3,5.900337,52,6.54,60,6.75,75,7.03,90,7.32,110,7.48,120,7.5,135,7.29,150,6.72,150.2,6.706881
16,40.2,5.97018,52,6.63,60,6.85,75,7.12,90,7.49,110,7.72,120,7.83,135,7.64,150,7.02,173.2,6.374844
20,40.9,5.993225,52,6.65,60,6.91,75,7.28,90,7.68,110,8.09,120,8.39,135,8.35,150,7.55,176.8,7.040979
24,42.7,5.919055,52,6.55,60,6.86,75,7.33,90,7.77,110,8.47,120,8.74,135,9.19,150,8.1,176.5,7.574127

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.92	5.28	5.39	5.15	4.99	4.5	3.82
8	5.45	5.8	6.17	6.3	6.21	6.07	5.6	4.86
10	6	6.33	6.66	6.81	6.82	6.75	6.43	5.72
12	6.34	6.55	6.91	7.1	7.18	7.15	6.93	6.33
14	6.54	6.75	7.03	7.32	7.48	7.5	7.29	6.72
16	6.63	6.85	7.12	7.49	7.72	7.83	7.64	7.02
20	6.65	6.91	7.28	7.68	8.09	8.39	8.35	7.55
24	6.55	6.86	7.33	7.77	8.47	8.74	9.19	8.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	2.89	144.7°	3.31
8	42°	3.54	146.7°	4.21
10	41°	4.02	146.9°	4.95
12	40.6°	4.34	147.8°	5.48
14	40.3°	4.5	150.2°	5.82
16	40.2°	4.56	173.2°	6.33
20	40.9°	4.53	176.8°	7.03
24	42.7°	4.35	176.5°	7.56

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°	4.56	5.45	6.00	6.34	6.54	6.63	6.65	6.55
60°	4.92	5.80	6.33	6.55	6.75	6.85	6.91	6.86
75°	5.28	6.17	6.66	6.91	7.03	7.12	7.28	7.33
90°	5.39	6.30	6.81	7.10	7.32	7.49	7.68	7.77
110°	5.15	6.21	6.82	7.18	7.48	7.72	8.09	8.47
120°	4.99	6.07	6.75	7.15	7.50	7.83	8.39	8.74
135°	4.50	5.60	6.43	6.93	7.29	7.64	8.35	9.19
150°	3.82	4.86	5.72	6.33	6.72	7.02	7.55	8.10