Merlion: ORC Rating

GPH

589.1

OSN

571.8

LOA

11.924 m

Displacement

7017 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6928

Medium

0.9395

High

1.0783

Triple Offshore

Low

0.8918

Medium

1.1494

High

1.2808

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.41 m
Displacement: 7017 kg
Crew weight: 742 kg
Wetted surface: 31.32 m²

Sails

Mainsail: 48.98 m²
Genoa: 46.37 m²
Spinnaker: 121.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 40.7
Builder: Beneteau
Year built: 1997
Stability index: 122.1

Performance data

Polar CSV

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

6,42.4,4.996917,52,5.6,60,5.91,75,6.15,90,6.08,110,5.94,120,5.79,135,5.25,141.7,4.893114,150,4.43
8,41.2,5.940871,52,6.67,60,6.94,75,7.12,90,7.1,110,7.17,120,7.04,135,6.47,148.4,5.659091,150,5.57
10,40,6.605361,52,7.29,60,7.47,75,7.59,90,7.61,110,7.78,120,7.7,135,7.38,150,6.6,150.2,6.591643
12,38.4,6.813889,52,7.54,60,7.71,75,7.88,90,7.94,110,8.18,120,8.15,135,7.86,150,7.39,156.5,7.087867
14,38.2,6.960555,52,7.64,60,7.83,75,8.11,90,8.24,110,8.47,120,8.61,135,8.31,150,7.85,166.4,7.30482
16,37.8,7.011282,52,7.69,60,7.89,75,8.25,90,8.52,110,8.7,120,9.02,135,8.8,150,8.26,177.2,7.619096
20,37.2,7.068159,52,7.76,60,7.95,75,8.39,90,8.92,110,9.11,120,9.54,135,9.9,150,9.2,177.2,8.41004

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.6	5.91	6.15	6.08	5.94	5.79	5.25	4.43
8	6.67	6.94	7.12	7.1	7.17	7.04	6.47	5.57
10	7.29	7.47	7.59	7.61	7.78	7.7	7.38	6.6
12	7.54	7.71	7.88	7.94	8.18	8.15	7.86	7.39
14	7.64	7.83	8.11	8.24	8.47	8.61	8.31	7.85
16	7.69	7.89	8.25	8.52	8.7	9.02	8.8	8.26
20	7.76	7.95	8.39	8.92	9.11	9.54	9.9	9.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.69	141.7°	3.84
8	41.2°	4.47	148.4°	4.82
10	40°	5.06	150.2°	5.72
12	38.4°	5.34	156.5°	6.5
14	38.2°	5.47	166.4°	7.1
16	37.8°	5.54	177.2°	7.61
20	37.2°	5.63	177.2°	8.4

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°	5.60	6.67	7.29	7.54	7.64	7.69	7.76
60°	5.91	6.94	7.47	7.71	7.83	7.89	7.95
75°	6.15	7.12	7.59	7.88	8.11	8.25	8.39
90°	6.08	7.10	7.61	7.94	8.24	8.52	8.92
110°	5.94	7.17	7.78	8.18	8.47	8.70	9.11
120°	5.79	7.04	7.70	8.15	8.61	9.02	9.54
135°	5.25	6.47	7.38	7.86	8.31	8.80	9.90
150°	4.43	5.57	6.60	7.39	7.85	8.26	9.20