IsniX: ORC Rating

GPH

639.4

OSN

621.8

LOA

10.034 m

Displacement

3380 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6392

Medium

0.8641

High

0.9858

Triple Offshore

Low

0.8258

Medium

1.0562

High

1.1789

Boat Specifications

Dimensions

Length overall: 10.034 m
Beam: 3.35 m
Draft: 1.85 m
Displacement: 3380 kg
Crew weight: 513 kg
Wetted surface: 21.11 m²

Sails

Mainsail: 36.39 m²
Genoa: 27.21 m²
Spinnaker: 61.02 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-3/4 TON MK II
Builder: X-YACHTS
Designer: JEPPESEN Nielsen
Year built: 1983
Stability index: 110.5

Performance data

Polar CSV

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

6,42.6,4.741222,52,5.3,60,5.6,75,5.82,90,5.73,110,5.54,120,5.33,135,4.76,144.8,4.222017,150,3.98
8,41.4,5.599171,52,6.23,60,6.45,75,6.6,90,6.59,110,6.59,120,6.43,135,5.86,150,5.05,150.2,5.035923
10,39.4,6.095244,52,6.7,60,6.85,75,6.98,90,7.05,110,7.1,120,7,135,6.65,150,6,152,5.889364
12,38.4,6.277965,52,6.89,60,7.07,75,7.28,90,7.39,110,7.56,120,7.45,135,7.11,150,6.7,160.1,6.317213
14,37.8,6.340528,52,6.97,60,7.19,75,7.52,90,7.67,110,7.99,120,7.91,135,7.55,150,7.12,175.4,6.571167
16,37.8,6.391151,52,7.02,60,7.26,75,7.67,90,7.95,110,8.35,120,8.37,135,8.01,150,7.54,179,6.991065
20,38.1,6.442717,52,7.09,60,7.32,75,7.8,90,8.3,110,8.8,120,9.33,135,9.07,150,8.42,179,7.781185

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.3	5.6	5.82	5.73	5.54	5.33	4.76	3.98
8	6.23	6.45	6.6	6.59	6.59	6.43	5.86	5.05
10	6.7	6.85	6.98	7.05	7.1	7	6.65	6
12	6.89	7.07	7.28	7.39	7.56	7.45	7.11	6.7
14	6.97	7.19	7.52	7.67	7.99	7.91	7.55	7.12
16	7.02	7.26	7.67	7.95	8.35	8.37	8.01	7.54
20	7.09	7.32	7.8	8.3	8.8	9.33	9.07	8.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.49	144.8°	3.45
8	41.4°	4.2	150.2°	4.37
10	39.4°	4.71	152°	5.2
12	38.4°	4.92	160.1°	5.94
14	37.8°	5.01	175.4°	6.55
16	37.8°	5.05	179°	6.99
20	38.1°	5.07	179°	7.78

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°	5.30	6.23	6.70	6.89	6.97	7.02	7.09
60°	5.60	6.45	6.85	7.07	7.19	7.26	7.32
75°	5.82	6.60	6.98	7.28	7.52	7.67	7.80
90°	5.73	6.59	7.05	7.39	7.67	7.95	8.30
110°	5.54	6.59	7.10	7.56	7.99	8.35	8.80
120°	5.33	6.43	7.00	7.45	7.91	8.37	9.33
135°	4.76	5.86	6.65	7.11	7.55	8.01	9.07
150°	3.98	5.05	6.00	6.70	7.12	7.54	8.42