Lihi: ORC Rating

GPH

641.1

OSN

618.3

LOA

10.57 m

Displacement

3801 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6165

Medium

0.8599

High

0.9886

Triple Offshore

Low

0.7989

Medium

1.0672

High

1.2052

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2 m
Displacement: 3801 kg
Crew weight: 622 kg
Wetted surface: 24.23 m²

Sails

Mainsail: 31.69 m²
Genoa: 25.63 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 88.93 m²

Design

Type: J 105
Builder: J Europe
Designer: Johnstone
Year built: 1991
Stability index: 103.5

Performance data

Polar CSV

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

6,43.8,4.405895,52,4.87,60,5.15,75,5.3,90,5.48,110,5.53,120,5.33,135,4.73,143.3,4.302949,150,3.98
8,41.8,5.325456,52,5.94,60,6.2,75,6.36,90,6.62,110,6.74,120,6.57,135,5.99,146.4,5.330636,150,5.13
10,40,5.965711,52,6.64,60,6.84,75,6.99,90,7.22,110,7.4,120,7.31,135,6.93,146.9,6.326706,150,6.12
12,38.4,6.316245,52,7.02,60,7.2,75,7.36,90,7.49,110,7.86,120,7.84,135,7.5,148.7,6.951769,150,6.86
14,37.8,6.45443,52,7.18,60,7.39,75,7.63,90,7.69,110,8.23,120,8.33,135,8.03,149.2,7.357736,150,7.29
16,37.6,6.550635,52,7.27,60,7.49,75,7.83,90,7.99,110,8.51,120,8.8,135,8.57,150,7.66,173,6.820842
20,38.1,6.671453,52,7.36,60,7.6,75,8.04,90,8.43,110,9.02,120,9.67,135,9.91,150,8.44,175.7,7.611425

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.15	5.3	5.48	5.53	5.33	4.73	3.98
8	5.94	6.2	6.36	6.62	6.74	6.57	5.99	5.13
10	6.64	6.84	6.99	7.22	7.4	7.31	6.93	6.12
12	7.02	7.2	7.36	7.49	7.86	7.84	7.5	6.86
14	7.18	7.39	7.63	7.69	8.23	8.33	8.03	7.29
16	7.27	7.49	7.83	7.99	8.51	8.8	8.57	7.66
20	7.36	7.6	8.04	8.43	9.02	9.67	9.91	8.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.18	143.3°	3.45
8	41.8°	3.97	146.4°	4.44
10	40°	4.57	146.9°	5.3
12	38.4°	4.95	148.7°	5.94
14	37.8°	5.1	149.2°	6.32
16	37.6°	5.19	173°	6.77
20	38.1°	5.25	175.7°	7.59

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°	4.87	5.94	6.64	7.02	7.18	7.27	7.36
60°	5.15	6.20	6.84	7.20	7.39	7.49	7.60
75°	5.30	6.36	6.99	7.36	7.63	7.83	8.04
90°	5.48	6.62	7.22	7.49	7.69	7.99	8.43
110°	5.53	6.74	7.40	7.86	8.23	8.51	9.02
120°	5.33	6.57	7.31	7.84	8.33	8.80	9.67
135°	4.73	5.99	6.93	7.50	8.03	8.57	9.91
150°	3.98	5.13	6.12	6.86	7.29	7.66	8.44