KENAI: ORC Rating

GPH

564.6

OSN

549.3

LOA

13.686 m

Displacement

10974 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7158

Medium

0.9714

High

1.1075

Triple Offshore

Low

0.9287

Medium

1.2006

High

1.3356

Boat Specifications

Dimensions

Length overall: 13.686 m
Beam: 4.21 m
Draft: 2.47 m
Displacement: 10974 kg
Crew weight: 1020 kg
Wetted surface: 42.04 m²

Sails

Mainsail: 58.4 m²
Genoa: 69.65 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 173.45 m²

Design

Type: J 442
Builder: TILL-PEARSON
Designer: JOHNSTONE
Year built: 1989
Stability index: 116

Performance data

Polar CSV

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

6,43.2,5.253998,52,5.83,60,6.17,75,6.44,90,6.57,110,6.35,120,6.02,135,5.37,143.9,4.876299,150,4.55
8,41.4,6.185751,52,6.96,60,7.27,75,7.48,90,7.69,110,7.54,120,7.32,135,6.71,147.8,5.873363,150,5.74
10,40.8,6.948526,52,7.65,60,7.85,75,7.99,90,8.19,110,8.14,120,8.07,135,7.72,146.9,7.054874,150,6.82
12,39,7.205854,52,7.93,60,8.11,75,8.27,90,8.5,110,8.54,120,8.51,135,8.25,149.8,7.682742,150,7.66
14,37.8,7.31502,52,8.05,60,8.24,75,8.49,90,8.73,110,8.93,120,8.95,135,8.67,150,8.1,151.1,8.0186
16,37,7.375079,52,8.12,60,8.33,75,8.64,90,8.9,110,9.32,120,9.4,135,9.16,150,8.4,170,7.514157
20,36.4,7.479248,52,8.19,60,8.41,75,8.81,90,9.27,110,9.97,120,10.04,135,10.23,150,9.03,176.3,8.267232

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.83	6.17	6.44	6.57	6.35	6.02	5.37	4.55
8	6.96	7.27	7.48	7.69	7.54	7.32	6.71	5.74
10	7.65	7.85	7.99	8.19	8.14	8.07	7.72	6.82
12	7.93	8.11	8.27	8.5	8.54	8.51	8.25	7.66
14	8.05	8.24	8.49	8.73	8.93	8.95	8.67	8.1
16	8.12	8.33	8.64	8.9	9.32	9.4	9.16	8.4
20	8.19	8.41	8.81	9.27	9.97	10.04	10.23	9.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.83	143.9°	3.94
8	41.4°	4.64	147.8°	4.97
10	40.8°	5.26	146.9°	5.91
12	39°	5.6	149.8°	6.64
14	37.8°	5.78	151.1°	7.02
16	37°	5.89	170°	7.4
20	36.4°	6.02	176.3°	8.25

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°	5.83	6.96	7.65	7.93	8.05	8.12	8.19
60°	6.17	7.27	7.85	8.11	8.24	8.33	8.41
75°	6.44	7.48	7.99	8.27	8.49	8.64	8.81
90°	6.57	7.69	8.19	8.50	8.73	8.90	9.27
110°	6.35	7.54	8.14	8.54	8.93	9.32	9.97
120°	6.02	7.32	8.07	8.51	8.95	9.40	10.04
135°	5.37	6.71	7.72	8.25	8.67	9.16	10.23
150°	4.55	5.74	6.82	7.66	8.10	8.40	9.03