Swindler: ORC Rating

GPH

737.2

OSN

712.1

LOA

8.03 m

Displacement

1872 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5387

Medium

0.7486

High

0.8535

Triple Offshore

Low

0.6987

Medium

0.9257

High

1.0395

Boat Specifications

Dimensions

Length overall: 8.03 m
Beam: 2.77 m
Draft: 1.42 m
Displacement: 1872 kg
Crew weight: 320 kg
Wetted surface: 15.88 m²

Sails

Mainsail: 19.86 m²
Genoa: 18.78 m²
Spinnaker: 43.96 m²
Asymmetric spinnaker: 0 m²

Design

Type: S80
Builder: Swarbrick
Designer: Swarbrick
Year built: 1978
Stability index: 83.9

Performance data

Polar CSV

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

6,44.2,3.905647,52,4.31,60,4.6,75,4.81,90,4.8,110,4.84,120,4.66,135,4.07,147.8,3.580743,150,3.49
8,42.6,4.646126,52,5.15,60,5.45,75,5.66,90,5.78,110,5.84,120,5.69,135,5.12,150,4.49,151.4,4.43061
10,42,5.221055,52,5.77,60,5.97,75,6.13,90,6.31,110,6.38,120,6.28,135,5.99,150,5.38,152,5.277776
12,40.6,5.518449,52,6.08,60,6.25,75,6.42,90,6.58,110,6.84,120,6.73,135,6.44,150,6.08,159.9,5.750222
14,40.2,5.577405,52,6.16,60,6.37,75,6.67,90,6.8,110,7.29,120,7.23,135,6.88,150,6.47,174.8,5.98463
16,40.5,5.615421,52,6.19,60,6.41,75,6.8,90,7.12,110,7.61,120,7.77,135,7.37,150,6.89,178.1,6.363499
20,42.3,5.610905,52,6.16,60,6.41,75,6.88,90,7.45,110,8.05,120,8.64,135,8.64,150,7.86,177.2,7.138522

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.6	4.81	4.8	4.84	4.66	4.07	3.49
8	5.15	5.45	5.66	5.78	5.84	5.69	5.12	4.49
10	5.77	5.97	6.13	6.31	6.38	6.28	5.99	5.38
12	6.08	6.25	6.42	6.58	6.84	6.73	6.44	6.08
14	6.16	6.37	6.67	6.8	7.29	7.23	6.88	6.47
16	6.19	6.41	6.8	7.12	7.61	7.77	7.37	6.89
20	6.16	6.41	6.88	7.45	8.05	8.64	8.64	7.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.8	147.8°	3.03
8	42.6°	3.42	151.4°	3.89
10	42°	3.88	152°	4.66
12	40.6°	4.19	159.9°	5.4
14	40.2°	4.26	174.8°	5.96
16	40.5°	4.27	178.1°	6.36
20	42.3°	4.15	177.2°	7.13

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°	4.31	5.15	5.77	6.08	6.16	6.19	6.16
60°	4.60	5.45	5.97	6.25	6.37	6.41	6.41
75°	4.81	5.66	6.13	6.42	6.67	6.80	6.88
90°	4.80	5.78	6.31	6.58	6.80	7.12	7.45
110°	4.84	5.84	6.38	6.84	7.29	7.61	8.05
120°	4.66	5.69	6.28	6.73	7.23	7.77	8.64
135°	4.07	5.12	5.99	6.44	6.88	7.37	8.64
150°	3.49	4.49	5.38	6.08	6.47	6.89	7.86