Jokerman: ORC Rating

GPH

533.5

OSN

520.8

LOA

15.26 m

Displacement

13339 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8582

Medium

1.148

High

1.3217

Triple Offshore

Low

1.1137

Medium

1.4245

High

1.5872

Boat Specifications

Dimensions

Length overall: 15.26 m
Beam: 4.29 m
Draft: 2.98 m
Displacement: 13339 kg
Crew weight: 1055 kg
Wetted surface: 46.57 m²

Sails

Mainsail: 79.09 m²
Genoa: 81.79 m²
Spinnaker: 170.54 m²
Asymmetric spinnaker: 171.52 m²

Design

Type: X-50
Builder: X-Yachts
Designer: Niels Jeppesen
Year built: 2004

Performance data

Polar CSV

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

6,42.5,5.710199,52,6.39,60,6.75,75,7.05,90,7,110,6.51,120,6.32,135,5.64,141.8,5.20451,150,4.72
8,40.9,6.720879,52,7.58,60,7.9,75,8.11,90,8.09,110,7.89,120,7.7,135,6.97,146.7,6.137778,150,5.93
10,39.9,7.312637,52,8.18,60,8.42,75,8.61,90,8.63,110,8.64,120,8.52,135,8.04,149.2,7.066686,150,7.01
12,39,7.540411,52,8.38,60,8.62,75,8.88,90,8.98,110,9.08,120,9,135,8.65,150,7.95,153.2,7.752756
14,38.3,7.632748,52,8.48,60,8.72,75,9.04,90,9.27,110,9.42,120,9.48,135,9.1,150,8.57,160,8.098393
16,38.2,7.685878,52,8.54,60,8.77,75,9.14,90,9.52,110,9.69,120,9.98,135,9.59,150,9.01,180,8.25
20,38.1,7.878668,52,8.66,60,8.87,75,9.25,90,9.8,110,10.15,120,10.64,135,10.74,150,9.96,180,9.14

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.39	6.75	7.05	7	6.51	6.32	5.64	4.72
8	7.58	7.9	8.11	8.09	7.89	7.7	6.97	5.93
10	8.18	8.42	8.61	8.63	8.64	8.52	8.04	7.01
12	8.38	8.62	8.88	8.98	9.08	9	8.65	7.95
14	8.48	8.72	9.04	9.27	9.42	9.48	9.1	8.57
16	8.54	8.77	9.14	9.52	9.69	9.98	9.59	9.01
20	8.66	8.87	9.25	9.8	10.15	10.64	10.74	9.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	4.21	141.8°	4.09
8	40.9°	5.08	146.7°	5.13
10	39.9°	5.61	149.2°	6.07
12	39°	5.86	153.2°	6.92
14	38.3°	5.99	160°	7.61
16	38.2°	6.04	180°	8.25
20	38.1°	6.2	180°	9.14

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°	6.39	7.58	8.18	8.38	8.48	8.54	8.66
60°	6.75	7.90	8.42	8.62	8.72	8.77	8.87
75°	7.05	8.11	8.61	8.88	9.04	9.14	9.25
90°	7.00	8.09	8.63	8.98	9.27	9.52	9.80
110°	6.51	7.89	8.64	9.08	9.42	9.69	10.15
120°	6.32	7.70	8.52	9.00	9.48	9.98	10.64
135°	5.64	6.97	8.04	8.65	9.10	9.59	10.74
150°	4.72	5.93	7.01	7.95	8.57	9.01	9.96