sJamaan: ORC Rating

GPH

616.3

OSN

597.3

LOA

10.82 m

Displacement

4722 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6748

Medium

0.9058

High

1.0343

Triple Offshore

Low

0.8615

Medium

1.0941

High

1.2136

Boat Specifications

Dimensions

Length overall: 10.82 m
Beam: 3.65 m
Draft: 2.13 m
Displacement: 4722 kg
Crew weight: 680 kg
Wetted surface: 25.47 m²

Sails

Mainsail: 32.73 m²
Genoa: 42.27 m²
Spinnaker: 85.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-35
Builder: J-boats
Designer: Johnstone
Year built: 1983

Performance data

Polar CSV

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

6,42,5.032666,52,5.62,60,5.87,75,6,90,5.85,110,5.58,120,5.43,135,4.9,144.1,4.431871,150,4.14
8,40,5.874333,52,6.51,60,6.68,75,6.77,90,6.7,110,6.68,120,6.54,135,6.06,148.7,5.336711,150,5.26
10,37.6,6.323445,52,6.95,60,7.07,75,7.16,90,7.15,110,7.25,120,7.17,135,6.84,150,6.21,152.3,6.087688
12,36.3,6.501819,52,7.16,60,7.29,75,7.42,90,7.45,110,7.63,120,7.59,135,7.32,150,6.88,158.1,6.542103
14,35.6,6.592049,52,7.26,60,7.42,75,7.62,90,7.71,110,7.94,120,7.98,135,7.72,150,7.32,170,6.752587
16,35.4,6.661532,52,7.32,60,7.49,75,7.76,90,7.93,110,8.2,120,8.33,135,8.13,150,7.7,177.7,7.125741
20,35.2,6.706277,52,7.39,60,7.58,75,7.92,90,8.25,110,8.57,120,8.99,135,9.03,150,8.47,178.3,7.843452
24,35.8,6.731899,52,7.38,60,7.61,75,8.02,90,8.45,110,8.81,120,9.52,135,10.49,150,9.46,177.7,8.566902

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	5.87	6	5.85	5.58	5.43	4.9	4.14
8	6.51	6.68	6.77	6.7	6.68	6.54	6.06	5.26
10	6.95	7.07	7.16	7.15	7.25	7.17	6.84	6.21
12	7.16	7.29	7.42	7.45	7.63	7.59	7.32	6.88
14	7.26	7.42	7.62	7.71	7.94	7.98	7.72	7.32
16	7.32	7.49	7.76	7.93	8.2	8.33	8.13	7.7
20	7.39	7.58	7.92	8.25	8.57	8.99	9.03	8.47
24	7.38	7.61	8.02	8.45	8.81	9.52	10.49	9.46

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.74	144.1°	3.59
8	40°	4.5	148.7°	4.56
10	37.6°	5.01	152.3°	5.39
12	36.3°	5.24	158.1°	6.07
14	35.6°	5.36	170°	6.65
16	35.4°	5.43	177.7°	7.12
20	35.2°	5.48	178.3°	7.84
24	35.8°	5.46	177.7°	8.56

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°	5.62	6.51	6.95	7.16	7.26	7.32	7.39	7.38
60°	5.87	6.68	7.07	7.29	7.42	7.49	7.58	7.61
75°	6.00	6.77	7.16	7.42	7.62	7.76	7.92	8.02
90°	5.85	6.70	7.15	7.45	7.71	7.93	8.25	8.45
110°	5.58	6.68	7.25	7.63	7.94	8.20	8.57	8.81
120°	5.43	6.54	7.17	7.59	7.98	8.33	8.99	9.52
135°	4.90	6.06	6.84	7.32	7.72	8.13	9.03	10.49
150°	4.14	5.26	6.21	6.88	7.32	7.70	8.47	9.46