ENJOY: ORC Rating

GPH

617.1

OSN

597.2

LOA

10.57 m

Displacement

4090 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6566

Medium

0.8945

High

1.0164

Triple Offshore

Low

0.8465

Medium

1.0998

High

1.2334

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2.02 m
Displacement: 4090 kg
Crew weight: 560 kg
Wetted surface: 24.72 m²

Sails

Mainsail: 34.54 m²
Genoa: 26.36 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.77 m²

Design

Type: J-105
Builder: TILLOTSON-PEARSON
Designer: R. JOHNSTONE
Year built: 1992
Stability index: 110.8

Performance data

Polar CSV

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

6,43.2,4.677842,52,5.2,60,5.48,75,5.64,90,5.76,110,5.86,120,5.7,135,5.05,143.3,4.602285,150,4.26
8,40.8,5.548253,52,6.21,60,6.45,75,6.6,90,6.82,110,6.97,120,6.87,135,6.34,147.5,5.560882,150,5.42
10,39,6.137843,52,6.82,60,7,75,7.13,90,7.29,110,7.55,120,7.51,135,7.19,147.8,6.582421,150,6.43
12,37.6,6.43704,52,7.13,60,7.3,75,7.46,90,7.52,110,7.98,120,8.02,135,7.74,150,7.14,150.1,7.128877
14,36.9,6.552583,52,7.28,60,7.48,75,7.72,90,7.79,110,8.31,120,8.5,135,8.29,149.2,7.602218,150,7.54
16,36.6,6.639118,52,7.37,60,7.58,75,7.92,90,8.09,110,8.57,120,8.96,135,8.86,150,7.91,173,7.012268
20,36.9,6.752662,52,7.47,60,7.71,75,8.14,90,8.54,110,9.07,120,9.73,135,10.44,142.1,9.846859,150,8.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.48	5.64	5.76	5.86	5.7	5.05	4.26
8	6.21	6.45	6.6	6.82	6.97	6.87	6.34	5.42
10	6.82	7	7.13	7.29	7.55	7.51	7.19	6.43
12	7.13	7.3	7.46	7.52	7.98	8.02	7.74	7.14
14	7.28	7.48	7.72	7.79	8.31	8.5	8.29	7.54
16	7.37	7.58	7.92	8.09	8.57	8.96	8.86	7.91
20	7.47	7.71	8.14	8.54	9.07	9.73	10.44	8.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.41	143.3°	3.69
8	40.8°	4.2	147.5°	4.69
10	39°	4.77	147.8°	5.57
12	37.6°	5.1	150.1°	6.18
14	36.9°	5.24	149.2°	6.53
16	36.6°	5.33	173°	6.96
20	36.9°	5.4	142.1°	7.77

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°	5.20	6.21	6.82	7.13	7.28	7.37	7.47
60°	5.48	6.45	7.00	7.30	7.48	7.58	7.71
75°	5.64	6.60	7.13	7.46	7.72	7.92	8.14
90°	5.76	6.82	7.29	7.52	7.79	8.09	8.54
110°	5.86	6.97	7.55	7.98	8.31	8.57	9.07
120°	5.70	6.87	7.51	8.02	8.50	8.96	9.73
135°	5.05	6.34	7.19	7.74	8.29	8.86	10.44
150°	4.26	5.42	6.43	7.14	7.54	7.91	8.97