Lakrisa Viola: ORC Rating

GPH

661.4

OSN

643.6

LOA

8.032 m

Displacement

1467 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6284

Medium

0.8255

High

0.9428

Triple Offshore

Low

0.8063

Medium

1.0151

High

1.1473

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.5 m
Displacement: 1467 kg
Crew weight: 350 kg
Wetted surface: 13 m²

Sails

Mainsail: 21.49 m²
Genoa: 13.78 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.71 m²

Design

Type: J-80 OD
Builder: Composite France
Designer: Rod Johnstone
Year built: 1995
Stability index: 107

Performance data

Polar CSV

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

6,43,4.334428,52,4.87,60,5.16,75,5.38,90,5.55,110,5.67,120,5.54,135,4.99,145.1,4.499167,150,4.26
8,41.8,5.191314,52,5.79,60,6.01,75,6.16,90,6.32,110,6.49,120,6.43,135,6.1,147.8,5.483382,150,5.35
10,39.4,5.655248,52,6.23,60,6.38,75,6.52,90,6.58,110,7.02,120,7.03,135,6.72,150,6.17,150.1,6.159903
12,38.4,5.805842,52,6.39,60,6.59,75,6.85,90,6.93,110,7.39,120,7.65,135,7.36,149.6,6.701343,150,6.67
14,38.2,5.866208,52,6.46,60,6.69,75,7.11,90,7.34,110,7.72,120,8.13,135,8.11,146.6,7.438481,150,7.17
16,38.1,5.896294,52,6.49,60,6.75,75,7.26,90,7.69,110,8.04,120,8.57,135,9.02,144.3,8.324267,150,7.8
20,38.4,5.971723,52,6.6,60,6.91,75,7.36,90,8.1,110,8.65,120,9.44,135,11.05,141.7,11.238871,150,10.18

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.16	5.38	5.55	5.67	5.54	4.99	4.26
8	5.79	6.01	6.16	6.32	6.49	6.43	6.1	5.35
10	6.23	6.38	6.52	6.58	7.02	7.03	6.72	6.17
12	6.39	6.59	6.85	6.93	7.39	7.65	7.36	6.67
14	6.46	6.69	7.11	7.34	7.72	8.13	8.11	7.17
16	6.49	6.75	7.26	7.69	8.04	8.57	9.02	7.8
20	6.6	6.91	7.36	8.1	8.65	9.44	11.05	10.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.17	145.1°	3.69
8	41.8°	3.87	147.8°	4.64
10	39.4°	4.37	150.1°	5.34
12	38.4°	4.55	149.6°	5.78
14	38.2°	4.61	146.6°	6.21
16	38.1°	4.64	144.3°	6.76
20	38.4°	4.68	141.7°	8.82

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°	4.87	5.79	6.23	6.39	6.46	6.49	6.60
60°	5.16	6.01	6.38	6.59	6.69	6.75	6.91
75°	5.38	6.16	6.52	6.85	7.11	7.26	7.36
90°	5.55	6.32	6.58	6.93	7.34	7.69	8.10
110°	5.67	6.49	7.02	7.39	7.72	8.04	8.65
120°	5.54	6.43	7.03	7.65	8.13	8.57	9.44
135°	4.99	6.10	6.72	7.36	8.11	9.02	11.05
150°	4.26	5.35	6.17	6.67	7.17	7.80	10.18