Karin: ORC Rating

GPH

939.1

OSN

905.9

LOA

5.18 m

Displacement

685 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4804

Medium

0.6625

High

0.7525

Triple Offshore

Low

0.6163

Medium

0.8169

High

0.9187

Boat Specifications

Dimensions

Length overall: 5.18 m
Beam: 2.33 m
Draft: 0.94 m
Displacement: 685 kg
Crew weight: 233 kg
Wetted surface: 8.21 m²

Sails

Mainsail: 7.38 m²
Genoa: 8.88 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.

6,45.1,3.145048,52,3.45,60,3.68,75,3.89,90,3.87,110,3.65,120,3.45,135,3.09,150,2.7,167.5,2.468514
8,44.3,3.702706,52,4.1,60,4.36,75,4.59,90,4.6,110,4.42,120,4.23,135,3.87,150,3.48,168.8,3.200962
10,44.7,4.164325,52,4.58,60,4.82,75,5,90,5.04,110,4.97,120,4.85,135,4.52,150,4.13,170,3.838313
12,44.6,4.494218,52,4.88,60,5.07,75,5.24,90,5.32,110,5.27,120,5.19,135,4.98,150,4.69,170.7,4.407939
14,44.5,4.696807,52,5.06,60,5.24,75,5.44,90,5.6,110,5.53,120,5.44,135,5.26,150,5.07,173.2,4.854146
16,45,4.7659,52,5.12,60,5.36,75,5.66,90,5.88,110,5.81,120,5.72,135,5.51,150,5.32,175.4,5.146578
20,47.7,4.606155,52,4.96,60,5.29,75,5.86,90,6.31,110,6.39,120,6.28,135,6.04,150,5.81,174.9,5.642338

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.45	3.68	3.89	3.87	3.65	3.45	3.09	2.7
8	4.1	4.36	4.59	4.6	4.42	4.23	3.87	3.48
10	4.58	4.82	5	5.04	4.97	4.85	4.52	4.13
12	4.88	5.07	5.24	5.32	5.27	5.19	4.98	4.69
14	5.06	5.24	5.44	5.6	5.53	5.44	5.26	5.07
16	5.12	5.36	5.66	5.88	5.81	5.72	5.51	5.32
20	4.96	5.29	5.86	6.31	6.39	6.28	6.04	5.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.1°	2.22	167.5°	2.41
8	44.3°	2.65	168.8°	3.14
10	44.7°	2.96	170°	3.78
12	44.6°	3.2	170.7°	4.35
14	44.5°	3.35	173.2°	4.82
16	45°	3.37	175.4°	5.13
20	47.7°	3.1	174.9°	5.62

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°	3.45	4.10	4.58	4.88	5.06	5.12	4.96
60°	3.68	4.36	4.82	5.07	5.24	5.36	5.29
75°	3.89	4.59	5.00	5.24	5.44	5.66	5.86
90°	3.87	4.60	5.04	5.32	5.60	5.88	6.31
110°	3.65	4.42	4.97	5.27	5.53	5.81	6.39
120°	3.45	4.23	4.85	5.19	5.44	5.72	6.28
135°	3.09	3.87	4.52	4.98	5.26	5.51	6.04
150°	2.70	3.48	4.13	4.69	5.07	5.32	5.81