Larx: ORC Rating

GPH

600.1

OSN

588.5

LOA

12.634 m

Displacement

11714 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6591

Medium

0.8896

High

1.0392

Triple Offshore

Low

0.8759

Medium

1.1262

High

1.2659

Boat Specifications

Dimensions

Length overall: 12.634 m
Beam: 4.08 m
Draft: 2.12 m
Displacement: 11714 kg
Crew weight: 860 kg
Wetted surface: 39.29 m²

Sails

Mainsail: 54 m²
Genoa: 43.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: XC-42
Builder: Jeppesen
Designer: X-yachts
Year built: 2009

Performance data

Polar CSV

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

6,46.3,5.065985,52,5.53,60,6.01,75,6.55,90,6.71,110,6.27,120,5.83,135,5.03,143.5,4.577929,150,4.25
8,44.6,5.898661,52,6.57,60,7.09,75,7.54,90,7.65,110,7.34,120,6.88,135,6.18,148,5.447804,150,5.34
10,41.6,6.258374,52,7.2,60,7.6,75,7.96,90,8.07,110,7.89,120,7.66,135,7.18,148,6.391147,150,6.26
12,41.6,6.833395,52,7.53,60,7.83,75,8.17,90,8.35,110,8.2,120,8.1,135,7.81,148.5,7.201162,150,7.09
14,40.9,7.078091,52,7.76,60,7.97,75,8.31,90,8.59,110,8.52,120,8.44,135,8.18,150,7.63,150.5,7.606086
16,40.1,7.124915,52,7.86,60,8.09,75,8.4,90,8.79,110,8.86,120,8.8,135,8.5,150,7.98,174,7.179329
20,39.9,7.182287,52,7.92,60,8.17,75,8.57,90,9.04,110,9.49,120,9.58,135,9.24,150,8.48,179,8.01122

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.53	6.01	6.55	6.71	6.27	5.83	5.03	4.25
8	6.57	7.09	7.54	7.65	7.34	6.88	6.18	5.34
10	7.2	7.6	7.96	8.07	7.89	7.66	7.18	6.26
12	7.53	7.83	8.17	8.35	8.2	8.1	7.81	7.09
14	7.76	7.97	8.31	8.59	8.52	8.44	8.18	7.63
16	7.86	8.09	8.4	8.79	8.86	8.8	8.5	7.98
20	7.92	8.17	8.57	9.04	9.49	9.58	9.24	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.3°	3.5	143.5°	3.68
8	44.6°	4.2	148°	4.62
10	41.6°	4.68	148°	5.42
12	41.6°	5.11	148.5°	6.14
14	40.9°	5.35	150.5°	6.62
16	40.1°	5.45	174°	7.14
20	39.9°	5.51	179°	8.01

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°	5.53	6.57	7.20	7.53	7.76	7.86	7.92
60°	6.01	7.09	7.60	7.83	7.97	8.09	8.17
75°	6.55	7.54	7.96	8.17	8.31	8.40	8.57
90°	6.71	7.65	8.07	8.35	8.59	8.79	9.04
110°	6.27	7.34	7.89	8.20	8.52	8.86	9.49
120°	5.83	6.88	7.66	8.10	8.44	8.80	9.58
135°	5.03	6.18	7.18	7.81	8.18	8.50	9.24
150°	4.25	5.34	6.26	7.09	7.63	7.98	8.48