X-BOOT: ORC Rating

GPH

624.2

OSN

608

LOA

10 m

Displacement

2961 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.741

Medium

0.9921

High

1.1241

Triple Offshore

Low

0.9573

Medium

1.2144

High

1.3556

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 2.99 m
Draft: 1.79 m
Displacement: 2961 kg
Crew weight: 550 kg
Wetted surface: 20.11 m²

Sails

Mainsail: 33.46 m²
Genoa: 28.82 m²
Spinnaker: 70.93 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-99
Builder: X-YACHTS
Designer: NIELS JEPPESEN
Year built: 1985

Performance data

Polar CSV

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

6,42.4,4.902124,52,5.48,60,5.76,75,5.97,90,5.88,110,5.71,120,5.53,135,4.93,137.1,4.81883,150,4.07
8,41,5.803557,52,6.44,60,6.63,75,6.75,90,6.72,110,6.76,120,6.64,135,6.11,149.1,5.209396,150,5.16
10,38.9,6.167738,52,6.81,60,6.97,75,7.12,90,7.13,110,7.29,120,7.18,135,6.87,149.5,6.209168,150,6.18
12,38,6.29433,52,6.94,60,7.13,75,7.4,90,7.5,110,7.78,120,7.72,135,7.34,150,6.89,158.4,6.571472
14,37.6,6.36131,52,7.01,60,7.22,75,7.6,90,7.86,110,8.17,120,8.3,135,7.87,150,7.32,180,6.71
16,37.8,6.391151,52,7.05,60,7.27,75,7.72,90,8.15,110,8.48,120,8.86,135,8.47,150,7.81,180,7.15
20,37.9,6.450517,52,7.12,60,7.36,75,7.83,90,8.44,110,9.02,120,9.65,135,10.08,150,8.97,180,8.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.48	5.76	5.97	5.88	5.71	5.53	4.93	4.07
8	6.44	6.63	6.75	6.72	6.76	6.64	6.11	5.16
10	6.81	6.97	7.12	7.13	7.29	7.18	6.87	6.18
12	6.94	7.13	7.4	7.5	7.78	7.72	7.34	6.89
14	7.01	7.22	7.6	7.86	8.17	8.3	7.87	7.32
16	7.05	7.27	7.72	8.15	8.48	8.86	8.47	7.81
20	7.12	7.36	7.83	8.44	9.02	9.65	10.08	8.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.62	137.1°	3.53
8	41°	4.38	149.1°	4.47
10	38.9°	4.8	149.5°	5.35
12	38°	4.96	158.4°	6.11
14	37.6°	5.04	180°	6.71
16	37.8°	5.05	180°	7.15
20	37.9°	5.09	180°	8.06

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°	5.48	6.44	6.81	6.94	7.01	7.05	7.12
60°	5.76	6.63	6.97	7.13	7.22	7.27	7.36
75°	5.97	6.75	7.12	7.40	7.60	7.72	7.83
90°	5.88	6.72	7.13	7.50	7.86	8.15	8.44
110°	5.71	6.76	7.29	7.78	8.17	8.48	9.02
120°	5.53	6.64	7.18	7.72	8.30	8.86	9.65
135°	4.93	6.11	6.87	7.34	7.87	8.47	10.08
150°	4.07	5.16	6.18	6.89	7.32	7.81	8.97