Karin: ORC Rating

GPH

927.7

OSN

896.3

LOA

5.18 m

Displacement

638 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.487

Medium

0.6703

High

0.7503

Triple Offshore

Low

0.6268

Medium

0.8267

High

0.9204

Boat Specifications

Dimensions

Length overall: 5.18 m
Beam: 2.33 m
Draft: 0.93 m
Displacement: 638 kg
Crew weight: 223 kg
Wetted surface: 8.05 m²

Sails

Mainsail: 7.5 m²
Genoa: 8.89 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: LEISURE 17
Builder: Cobramold Ltd
Designer: Arthur Howard
Year built: 1968

Performance data

Polar CSV

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

6,45,3.181981,52,3.54,60,3.8,75,4,90,3.98,110,3.71,120,3.5,135,3.12,150,2.74,167.6,2.498279
8,44.4,3.765015,52,4.21,60,4.5,75,4.71,90,4.71,110,4.49,120,4.29,135,3.91,150,3.52,168.9,3.240623
10,46.1,4.326496,52,4.69,60,4.92,75,5.08,90,5.11,110,5.01,120,4.89,135,4.56,150,4.17,170.3,3.88555
12,44.8,4.566141,52,4.94,60,5.13,75,5.31,90,5.39,110,5.31,120,5.22,135,5.02,150,4.73,170.9,4.466213
14,44.4,4.716765,52,5.08,60,5.28,75,5.52,90,5.68,110,5.6,120,5.5,135,5.29,150,5.1,173.9,4.887674
16,45.4,4.756798,52,5.11,60,5.36,75,5.72,90,5.96,110,5.9,120,5.79,135,5.56,150,5.35,175.4,5.176675
20,50.3,4.759163,52,4.9,60,5.26,75,5.86,90,6.35,110,6.53,120,6.39,135,6.12,150,5.88,174.7,5.694345

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.54	3.8	4	3.98	3.71	3.5	3.12	2.74
8	4.21	4.5	4.71	4.71	4.49	4.29	3.91	3.52
10	4.69	4.92	5.08	5.11	5.01	4.89	4.56	4.17
12	4.94	5.13	5.31	5.39	5.31	5.22	5.02	4.73
14	5.08	5.28	5.52	5.68	5.6	5.5	5.29	5.1
16	5.11	5.36	5.72	5.96	5.9	5.79	5.56	5.35
20	4.9	5.26	5.86	6.35	6.53	6.39	6.12	5.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	2.25	167.6°	2.44
8	44.4°	2.69	168.9°	3.18
10	46.1°	3	170.3°	3.83
12	44.8°	3.24	170.9°	4.41
14	44.4°	3.37	173.9°	4.86
16	45.4°	3.34	175.4°	5.16
20	50.3°	3.04	174.7°	5.67

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°	3.54	4.21	4.69	4.94	5.08	5.11	4.90
60°	3.80	4.50	4.92	5.13	5.28	5.36	5.26
75°	4.00	4.71	5.08	5.31	5.52	5.72	5.86
90°	3.98	4.71	5.11	5.39	5.68	5.96	6.35
110°	3.71	4.49	5.01	5.31	5.60	5.90	6.53
120°	3.50	4.29	4.89	5.22	5.50	5.79	6.39
135°	3.12	3.91	4.56	5.02	5.29	5.56	6.12
150°	2.74	3.52	4.17	4.73	5.10	5.35	5.88