Ibex: ORC Rating

GPH

642.4

OSN

625.1

LOA

9.12 m

Displacement

3134 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6595

Medium

0.859

High

0.9607

Triple Offshore

Low

0.8383

Medium

1.044

High

1.1475

Boat Specifications

Dimensions

Length overall: 9.12 m
Beam: 3.05 m
Draft: 1.95 m
Displacement: 3134 kg
Crew weight: 510 kg
Wetted surface: 19.86 m²

Sails

Mainsail: 30.29 m²
Genoa: 23.36 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 84.74 m²

Design

Type: J-92S
Builder: J_boats
Designer: R.Johnstone
Year built: 1992

Performance data

Polar CSV

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

6,42.1,4.649747,52,5.19,60,5.42,75,5.56,90,5.64,110,5.71,120,5.57,135,5.06,144.7,4.582561,150,4.32
8,39.9,5.435596,52,6.04,60,6.23,75,6.34,90,6.49,110,6.63,120,6.54,135,6.14,148.5,5.488834,150,5.4
10,37.8,5.872265,52,6.5,60,6.64,75,6.75,90,6.81,110,7.08,120,7.06,135,6.8,149.6,6.26077,150,6.23
12,36.6,6.041224,52,6.69,60,6.85,75,7.01,90,7.05,110,7.39,120,7.47,135,7.26,150,6.73,150.3,6.711707
14,36.1,6.126314,52,6.78,60,6.95,75,7.19,90,7.31,110,7.61,120,7.82,135,7.73,150,7.06,172.6,6.262156
16,35.8,6.177072,52,6.85,60,7.02,75,7.3,90,7.51,110,7.81,120,8.15,135,8.19,150,7.38,175.8,6.677934
20,36,6.266865,52,6.92,60,7.11,75,7.45,90,7.79,110,8.19,120,8.73,135,9.66,150,8.08,175.9,7.348807
24,37.3,6.285565,52,6.93,60,7.13,75,7.53,90,7.98,110,8.56,120,9.43,135,11.71,141.8,12.012365,150,10.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.19	5.42	5.56	5.64	5.71	5.57	5.06	4.32
8	6.04	6.23	6.34	6.49	6.63	6.54	6.14	5.4
10	6.5	6.64	6.75	6.81	7.08	7.06	6.8	6.23
12	6.69	6.85	7.01	7.05	7.39	7.47	7.26	6.73
14	6.78	6.95	7.19	7.31	7.61	7.82	7.73	7.06
16	6.85	7.02	7.3	7.51	7.81	8.15	8.19	7.38
20	6.92	7.11	7.45	7.79	8.19	8.73	9.66	8.08
24	6.93	7.13	7.53	7.98	8.56	9.43	11.71	10.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.45	144.7°	3.74
8	39.9°	4.17	148.5°	4.68
10	37.8°	4.64	149.6°	5.4
12	36.6°	4.85	150.3°	5.83
14	36.1°	4.95	172.6°	6.21
16	35.8°	5.01	175.8°	6.66
20	36°	5.07	175.9°	7.33
24	37.3°	5	141.8°	9.44

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.19	6.04	6.50	6.69	6.78	6.85	6.92	6.93
60°	5.42	6.23	6.64	6.85	6.95	7.02	7.11	7.13
75°	5.56	6.34	6.75	7.01	7.19	7.30	7.45	7.53
90°	5.64	6.49	6.81	7.05	7.31	7.51	7.79	7.98
110°	5.71	6.63	7.08	7.39	7.61	7.81	8.19	8.56
120°	5.57	6.54	7.06	7.47	7.82	8.15	8.73	9.43
135°	5.06	6.14	6.80	7.26	7.73	8.19	9.66	11.71
150°	4.32	5.40	6.23	6.73	7.06	7.38	8.08	10.90