CRYSTALLIA: ORC Rating

GPH

686.6

OSN

666.6

LOA

11.5 m

Displacement

6800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5712

Medium

0.7849

High

0.9271

Triple Offshore

Low

0.7453

Medium

0.9937

High

1.1337

Boat Specifications

Dimensions

Length overall: 11.5 m
Beam: 3.93 m
Draft: 1.62 m
Displacement: 6800 kg
Crew weight: 420 kg
Wetted surface: 28.02 m²

Sails

Mainsail: 30.16 m²
Genoa: 35.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 79.2 m²

Design

Type: OCEANIS 381
Builder: BENETEAU
Designer: BERRET/RACOUPEAU
Year built: 1998

Performance data

Polar CSV

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

6,45.8,4.174047,52,4.57,60,4.91,75,5.19,90,5.15,110,5.19,120,5.01,135,4.5,145.5,4.016375,150,3.82
8,43.5,4.894025,52,5.46,60,5.8,75,6.11,90,6.18,110,6.3,120,6.11,135,5.57,147,4.996002,150,4.83
10,42.8,5.492485,52,6.15,60,6.51,75,6.78,90,6.96,110,7.05,120,6.94,135,6.49,146.5,5.888096,150,5.67
12,42.8,6.024015,52,6.68,60,6.94,75,7.14,90,7.35,110,7.44,120,7.37,135,7.1,147,6.605693,150,6.39
14,42.2,6.357952,52,6.96,60,7.18,75,7.37,90,7.6,110,7.76,120,7.69,135,7.45,149.5,6.917129,150,6.88
16,41.6,6.458963,52,7.09,60,7.31,75,7.55,90,7.72,110,8.08,120,8.03,135,7.77,150,7.22,172,6.563879
20,42,6.512862,52,7.14,60,7.4,75,7.8,90,8.05,110,8.59,120,8.71,135,8.44,150,7.71,178,7.284437

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.57	4.91	5.19	5.15	5.19	5.01	4.5	3.82
8	5.46	5.8	6.11	6.18	6.3	6.11	5.57	4.83
10	6.15	6.51	6.78	6.96	7.05	6.94	6.49	5.67
12	6.68	6.94	7.14	7.35	7.44	7.37	7.1	6.39
14	6.96	7.18	7.37	7.6	7.76	7.69	7.45	6.88
16	7.09	7.31	7.55	7.72	8.08	8.03	7.77	7.22
20	7.14	7.4	7.8	8.05	8.59	8.71	8.44	7.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.91	145.5°	3.31
8	43.5°	3.55	147°	4.19
10	42.8°	4.03	146.5°	4.91
12	42.8°	4.42	147°	5.54
14	42.2°	4.71	149.5°	5.96
16	41.6°	4.83	172°	6.5
20	42°	4.84	178°	7.28

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°	4.57	5.46	6.15	6.68	6.96	7.09	7.14
60°	4.91	5.80	6.51	6.94	7.18	7.31	7.40
75°	5.19	6.11	6.78	7.14	7.37	7.55	7.80
90°	5.15	6.18	6.96	7.35	7.60	7.72	8.05
110°	5.19	6.30	7.05	7.44	7.76	8.08	8.59
120°	5.01	6.11	6.94	7.37	7.69	8.03	8.71
135°	4.50	5.57	6.49	7.10	7.45	7.77	8.44
150°	3.82	4.83	5.67	6.39	6.88	7.22	7.71