SEBRALA III: ORC Rating

GPH

594.8

OSN

574.6

LOA

14.98 m

Displacement

14206 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6322

Medium

0.9065

High

1.1075

Triple Offshore

Low

0.8321

Medium

1.1579

High

1.3696

Boat Specifications

Dimensions

Length overall: 14.98 m
Beam: 4.7 m
Draft: 2.27 m
Displacement: 14206 kg
Crew weight: 960 kg
Wetted surface: 52.57 m²

Sails

Mainsail: 52.21 m²
Genoa: 54.46 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 152.4 m²

Design

Type: JEANNEAU YACHTS 51
Builder: JEANNEAU
Designer: BRIAND
Year built: 2021

Performance data

Polar CSV

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

6,46.9,4.595522,52,4.98,60,5.4,75,5.74,90,5.81,110,5.9,120,5.71,135,5.08,143,4.620381,150,4.26
8,44.8,5.552653,52,6.14,60,6.56,75,6.91,90,7.15,110,7.29,120,7.08,135,6.4,147,5.651802,150,5.47
10,43.5,6.313981,52,7.04,60,7.47,75,7.83,90,8.19,110,8.35,120,8.17,135,7.52,147.5,6.699143,150,6.53
12,42.8,6.964416,52,7.77,60,8.15,75,8.43,90,8.81,110,8.94,120,8.82,135,8.39,147.2,7.673396,150,7.45
14,42,7.495174,52,8.29,60,8.57,75,8.8,90,9.17,110,9.38,120,9.28,135,8.92,148.2,8.318697,150,8.16
16,41.2,7.801547,52,8.58,60,8.83,75,9.07,90,9.37,110,9.86,120,9.77,135,9.35,150,8.625613
20,40.9,7.964507,52,8.78,60,9.09,75,9.55,90,9.76,110,10.72,120,10.89,135,10.36,150,9.27,176,8.500707

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.4	5.74	5.81	5.9	5.71	5.08	4.26
8	6.14	6.56	6.91	7.15	7.29	7.08	6.4	5.47
10	7.04	7.47	7.83	8.19	8.35	8.17	7.52	6.53
12	7.77	8.15	8.43	8.81	8.94	8.82	8.39	7.45
14	8.29	8.57	8.8	9.17	9.38	9.28	8.92	8.16
16	8.58	8.83	9.07	9.37	9.86	9.77	9.35	8.62
20	8.78	9.09	9.55	9.76	10.72	10.89	10.36	9.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.9°	3.14	143°	3.69
8	44.8°	3.94	147°	4.74
10	43.5°	4.58	147.5°	5.65
12	42.8°	5.11	147.2°	6.45
14	42°	5.57	148.2°	7.07
16	41.2°	5.87	150°	7.47
20	40.9°	6.02	176°	8.48

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°	4.98	6.14	7.04	7.77	8.29	8.58	8.78
60°	5.40	6.56	7.47	8.15	8.57	8.83	9.09
75°	5.74	6.91	7.83	8.43	8.80	9.07	9.55
90°	5.81	7.15	8.19	8.81	9.17	9.37	9.76
110°	5.90	7.29	8.35	8.94	9.38	9.86	10.72
120°	5.71	7.08	8.17	8.82	9.28	9.77	10.89
135°	5.08	6.40	7.52	8.39	8.92	9.35	10.36
150°	4.26	5.47	6.53	7.45	8.16	8.62	9.27