Larriken2: ORC Rating

GPH

525.6

OSN

512

LOA

12.415 m

Displacement

5067 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7999

Medium

1.0368

High

1.1888

Triple Offshore

Low

1.0246

Medium

1.2717

High

1.4369

Boat Specifications

Dimensions

Length overall: 12.415 m
Beam: 3.96 m
Draft: 2.6 m
Displacement: 5067 kg
Crew weight: 760 kg
Wetted surface: 29.74 m²

Sails

Mainsail: 63.38 m²
Genoa: 41.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 159.59 m²

Design

Type: Farr40 OD 2.60
Builder: McConachy
Designer: Bruce Farr
Year built: 1997
Stability index: 126.2

Performance data

Polar CSV

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

6,42.9,5.747104,52,6.41,60,6.78,75,7.08,90,7.03,110,6.98,120,6.79,135,6.14,143.3,5.587598,150,5.17
8,40.8,6.750374,52,7.49,60,7.72,75,7.88,90,7.88,110,8.01,120,7.96,135,7.55,144.1,6.97495,150,6.53
10,38.5,7.066116,52,7.83,60,8.06,75,8.34,90,8.38,110,8.59,120,8.66,135,8.28,150,7.55,150.5,7.514169
12,37.6,7.219582,52,7.98,60,8.24,75,8.7,90,8.93,110,9.02,120,9.33,135,9.07,150,8.22,157.4,7.831369
14,36.9,7.315384,52,8.07,60,8.36,75,8.91,90,9.38,110,9.42,120,9.83,135,9.98,150,8.91,162.8,8.165159
16,36.3,7.420015,52,8.2,60,8.48,75,9.06,90,9.7,110,9.8,120,10.34,135,11.02,150,9.7,155,9.290442
20,36.4,7.479248,52,8.34,60,8.73,75,9.38,90,10.07,110,11.05,120,11.37,135,12.8,143.5,12.912747,150,11.98

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.41	6.78	7.08	7.03	6.98	6.79	6.14	5.17
8	7.49	7.72	7.88	7.88	8.01	7.96	7.55	6.53
10	7.83	8.06	8.34	8.38	8.59	8.66	8.28	7.55
12	7.98	8.24	8.7	8.93	9.02	9.33	9.07	8.22
14	8.07	8.36	8.91	9.38	9.42	9.83	9.98	8.91
16	8.2	8.48	9.06	9.7	9.8	10.34	11.02	9.7
20	8.34	8.73	9.38	10.07	11.05	11.37	12.8	11.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	4.21	143.3°	4.48
8	40.8°	5.11	144.1°	5.65
10	38.5°	5.53	150.5°	6.54
12	37.6°	5.72	157.4°	7.23
14	36.9°	5.85	162.8°	7.8
16	36.3°	5.98	155°	8.42
20	36.4°	6.02	143.5°	10.38

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°	6.41	7.49	7.83	7.98	8.07	8.20	8.34
60°	6.78	7.72	8.06	8.24	8.36	8.48	8.73
75°	7.08	7.88	8.34	8.70	8.91	9.06	9.38
90°	7.03	7.88	8.38	8.93	9.38	9.70	10.07
110°	6.98	8.01	8.59	9.02	9.42	9.80	11.05
120°	6.79	7.96	8.66	9.33	9.83	10.34	11.37
135°	6.14	7.55	8.28	9.07	9.98	11.02	12.80
150°	5.17	6.53	7.55	8.22	8.91	9.70	11.98