ALISACHNI: ORC Rating

GPH

704.1

OSN

679

LOA

12.277 m

Displacement

7800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5972

Medium

0.8592

High

1.0334

Triple Offshore

Low

0.7854

Medium

1.1058

High

1.2946

Boat Specifications

Dimensions

Length overall: 12.277 m
Beam: 3.93 m
Draft: 1.72 m
Displacement: 7800 kg
Crew weight: 650 kg
Wetted surface: 34.88 m²

Sails

Mainsail: 31.92 m²
Genoa: 43.03 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 91.13 m²

Design

Type: OCEANIS 411
Builder: BENETEAU
Designer: FINOT
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.

6,47.2,3.811955,52,4.13,60,4.49,75,4.81,90,4.81,110,4.95,120,4.77,135,4.27,145.1,3.828559,150,3.62
8,46.1,4.730302,52,5.15,60,5.53,75,5.87,90,6.01,110,6.16,120,5.98,135,5.44,145.8,4.908832,150,4.69
10,45.2,5.407061,52,5.94,60,6.36,75,6.74,90,7.01,110,7.16,120,6.99,135,6.44,145.9,5.857061,150,5.6
12,45,6.010408,52,6.61,60,7.02,75,7.33,90,7.59,110,7.73,120,7.63,135,7.26,145.6,6.726347,150,6.41
14,44.4,6.396326,52,7.04,60,7.39,75,7.67,90,7.89,110,8.1,120,8.03,135,7.76,146.9,7.257806,150,7.02
16,44.9,6.635233,52,7.22,60,7.57,75,7.88,90,8.03,110,8.46,120,8.42,135,8.12,150,7.45,172.1,6.531992
20,44.8,6.651909,52,7.28,60,7.66,75,8.1,90,8.43,110,9.07,120,9.25,135,8.91,150,8.04,175.7,7.521171

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.13	4.49	4.81	4.81	4.95	4.77	4.27	3.62
8	5.15	5.53	5.87	6.01	6.16	5.98	5.44	4.69
10	5.94	6.36	6.74	7.01	7.16	6.99	6.44	5.6
12	6.61	7.02	7.33	7.59	7.73	7.63	7.26	6.41
14	7.04	7.39	7.67	7.89	8.1	8.03	7.76	7.02
16	7.22	7.57	7.88	8.03	8.46	8.42	8.12	7.45
20	7.28	7.66	8.1	8.43	9.07	9.25	8.91	8.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	47.2°	2.59	145.1°	3.14
8	46.1°	3.28	145.8°	4.06
10	45.2°	3.81	145.9°	4.85
12	45°	4.25	145.6°	5.55
14	44.4°	4.57	146.9°	6.08
16	44.9°	4.7	172.1°	6.47
20	44.8°	4.72	175.7°	7.5

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°	4.13	5.15	5.94	6.61	7.04	7.22	7.28
60°	4.49	5.53	6.36	7.02	7.39	7.57	7.66
75°	4.81	5.87	6.74	7.33	7.67	7.88	8.10
90°	4.81	6.01	7.01	7.59	7.89	8.03	8.43
110°	4.95	6.16	7.16	7.73	8.10	8.46	9.07
120°	4.77	5.98	6.99	7.63	8.03	8.42	9.25
135°	4.27	5.44	6.44	7.26	7.76	8.12	8.91
150°	3.62	4.69	5.60	6.41	7.02	7.45	8.04