Zig Zag: ORC Rating

GPH

574.7

OSN

562.6

LOA

12.2 m

Displacement

6934 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7113

Medium

0.9449

High

1.0577

Triple Offshore

Low

0.9278

Medium

1.1722

High

1.2918

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.64 m
Draft: 2.22 m
Displacement: 6934 kg
Crew weight: 570 kg
Wetted surface: 32.22 m²

Sails

Mainsail: 50.67 m²
Genoa: 42.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 157.85 m²

Design

Type: J 122
Builder: J Composites
Designer: J Boats
Year built: 2006

Performance data

Polar CSV

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

6,42.8,5.029099,52,5.65,60,5.98,75,6.51,90,6.77,110,6.59,120,6.27,135,5.55,143.5,5.03821,150,4.68
8,41.4,5.98578,52,6.74,60,7.04,75,7.44,90,7.67,110,7.6,120,7.42,135,6.9,146.5,6.079969,150,5.85
10,40.5,6.614888,52,7.36,60,7.57,75,7.76,90,8.05,110,8.09,120,8.01,135,7.71,148.5,7.036966,150,6.92
12,39.8,6.859447,52,7.58,60,7.8,75,8.02,90,8.29,110,8.53,120,8.49,135,8.2,150,7.65,151,7.580437
14,39,6.909899,52,7.67,60,7.89,75,8.22,90,8.49,110,8.98,120,8.91,135,8.73,150,8.01,152,7.882688
16,39,6.961369,52,7.71,60,7.94,75,8.33,90,8.66,110,9.34,120,9.41,135,9.32,150,8.38,176,7.488241
20,39.4,7.156412,52,7.83,60,8.05,75,8.43,90,9.02,110,9.85,120,10.38,135,10.73,150,9.3,177,8.271336

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.65	5.98	6.51	6.77	6.59	6.27	5.55	4.68
8	6.74	7.04	7.44	7.67	7.6	7.42	6.9	5.85
10	7.36	7.57	7.76	8.05	8.09	8.01	7.71	6.92
12	7.58	7.8	8.02	8.29	8.53	8.49	8.2	7.65
14	7.67	7.89	8.22	8.49	8.98	8.91	8.73	8.01
16	7.71	7.94	8.33	8.66	9.34	9.41	9.32	8.38
20	7.83	8.05	8.43	9.02	9.85	10.38	10.73	9.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.69	143.5°	4.05
8	41.4°	4.49	146.5°	5.07
10	40.5°	5.03	148.5°	6
12	39.8°	5.27	151°	6.63
14	39°	5.37	152°	6.96
16	39°	5.41	176°	7.47
20	39.4°	5.53	177°	8.26

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°	5.65	6.74	7.36	7.58	7.67	7.71	7.83
60°	5.98	7.04	7.57	7.80	7.89	7.94	8.05
75°	6.51	7.44	7.76	8.02	8.22	8.33	8.43
90°	6.77	7.67	8.05	8.29	8.49	8.66	9.02
110°	6.59	7.60	8.09	8.53	8.98	9.34	9.85
120°	6.27	7.42	8.01	8.49	8.91	9.41	10.38
135°	5.55	6.90	7.71	8.20	8.73	9.32	10.73
150°	4.68	5.85	6.92	7.65	8.01	8.38	9.30