VENTO MAREIRO: ORC Rating

GPH

748.3

OSN

725.9

LOA

7.461 m

Displacement

2544 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6079

Medium

0.8298

High

0.9485

Triple Offshore

Low

0.7847

Medium

1.0214

High

1.1356

Boat Specifications

Dimensions

Length overall: 7.461 m
Beam: 2.76 m
Draft: 1.49 m
Displacement: 2544 kg
Crew weight: 260 kg
Wetted surface: 16.58 m²

Sails

Mainsail: 19.32 m²
Genoa: 15.85 m²
Spinnaker: 43.74 m²
Asymmetric spinnaker: 46.27 m²

Design

Type: FIRST 25.7
Builder: BENETEAU
Designer: FINOT
Year built: 2012

Performance data

Polar CSV

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

6,43.1,3.779982,52,4.21,60,4.43,75,4.61,90,4.84,110,4.88,120,4.71,135,4.24,146.1,3.771029,150,3.62
8,41.3,4.44584,52,4.99,60,5.24,75,5.48,90,5.79,110,5.83,120,5.68,135,5.18,150,4.56,152.2,4.476696
10,41.2,5.010533,52,5.61,60,5.82,75,5.98,90,6.24,110,6.29,120,6.21,135,5.94,150,5.38,153.2,5.243193
12,40.9,5.397872,52,5.93,60,6.1,75,6.23,90,6.45,110,6.6,120,6.53,135,6.32,150,6.01,166.3,5.50667
14,40.4,5.48889,52,6.05,60,6.23,75,6.41,90,6.56,110,6.91,120,6.87,135,6.63,150,6.34,180,5.92
16,40.4,5.515153,52,6.08,60,6.28,75,6.54,90,6.68,110,7.17,120,7.22,135,6.98,150,6.63,180,6.27
20,40.9,5.543402,52,6.1,60,6.27,75,6.62,90,7.01,110,7.46,120,7.8,135,7.72,150,7.3,180,6.85

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.43	4.61	4.84	4.88	4.71	4.24	3.62
8	4.99	5.24	5.48	5.79	5.83	5.68	5.18	4.56
10	5.61	5.82	5.98	6.24	6.29	6.21	5.94	5.38
12	5.93	6.1	6.23	6.45	6.6	6.53	6.32	6.01
14	6.05	6.23	6.41	6.56	6.91	6.87	6.63	6.34
16	6.08	6.28	6.54	6.68	7.17	7.22	6.98	6.63
20	6.1	6.27	6.62	7.01	7.46	7.8	7.72	7.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	2.76	146.1°	3.13
8	41.3°	3.34	152.2°	3.96
10	41.2°	3.77	153.2°	4.68
12	40.9°	4.08	166.3°	5.35
14	40.4°	4.18	180°	5.92
16	40.4°	4.2	180°	6.27
20	40.9°	4.19	180°	6.85

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°	4.21	4.99	5.61	5.93	6.05	6.08	6.10
60°	4.43	5.24	5.82	6.10	6.23	6.28	6.27
75°	4.61	5.48	5.98	6.23	6.41	6.54	6.62
90°	4.84	5.79	6.24	6.45	6.56	6.68	7.01
110°	4.88	5.83	6.29	6.60	6.91	7.17	7.46
120°	4.71	5.68	6.21	6.53	6.87	7.22	7.80
135°	4.24	5.18	5.94	6.32	6.63	6.98	7.72
150°	3.62	4.56	5.38	6.01	6.34	6.63	7.30