Swindler: ORC Rating

GPH

740.8

OSN

716.4

LOA

8.03 m

Displacement

1873 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6023

Medium

0.8381

High

0.9557

Triple Offshore

Low

0.7823

Medium

1.0365

High

1.1621

Boat Specifications

Dimensions

Length overall: 8.03 m
Beam: 2.77 m
Draft: 1.42 m
Displacement: 1873 kg
Crew weight: 320 kg
Wetted surface: 16.2 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

Performance data

Polar CSV

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

6,45.1,3.924227,52,4.31,60,4.59,75,4.8,90,4.78,110,4.83,120,4.65,135,4.07,148.2,3.55339,150,3.49
8,42.2,4.589604,52,5.13,60,5.4,75,5.61,90,5.75,110,5.83,120,5.68,135,5.12,150,4.46,151.9,4.387124
10,41.7,5.156447,52,5.74,60,5.95,75,6.11,90,6.28,110,6.35,120,6.27,135,5.98,150,5.34,152.1,5.250261
12,40.7,5.500344,52,6.05,60,6.22,75,6.39,90,6.57,110,6.77,120,6.67,135,6.4,150,6.05,162.6,5.627513
14,40.3,5.57254,52,6.15,60,6.35,75,6.61,90,6.73,110,7.2,120,7.13,135,6.81,150,6.43,179.5,5.950227
16,40.4,5.593941,52,6.18,60,6.39,75,6.76,90,7.01,110,7.54,120,7.62,135,7.26,150,6.8,180,6.34
20,42.4,5.565672,52,6.12,60,6.37,75,6.82,90,7.37,110,7.93,120,8.48,135,8.36,150,7.66,180,7.07

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.59	4.8	4.78	4.83	4.65	4.07	3.49
8	5.13	5.4	5.61	5.75	5.83	5.68	5.12	4.46
10	5.74	5.95	6.11	6.28	6.35	6.27	5.98	5.34
12	6.05	6.22	6.39	6.57	6.77	6.67	6.4	6.05
14	6.15	6.35	6.61	6.73	7.2	7.13	6.81	6.43
16	6.18	6.39	6.76	7.01	7.54	7.62	7.26	6.8
20	6.12	6.37	6.82	7.37	7.93	8.48	8.36	7.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.1°	2.77	148.2°	3.02
8	42.2°	3.4	151.9°	3.87
10	41.7°	3.85	152.1°	4.64
12	40.7°	4.17	162.6°	5.37
14	40.3°	4.25	179.5°	5.95
16	40.4°	4.26	180°	6.34
20	42.4°	4.11	180°	7.07

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	5.13	5.74	6.05	6.15	6.18	6.12
60°	4.59	5.40	5.95	6.22	6.35	6.39	6.37
75°	4.80	5.61	6.11	6.39	6.61	6.76	6.82
90°	4.78	5.75	6.28	6.57	6.73	7.01	7.37
110°	4.83	5.83	6.35	6.77	7.20	7.54	7.93
120°	4.65	5.68	6.27	6.67	7.13	7.62	8.48
135°	4.07	5.12	5.98	6.40	6.81	7.26	8.36
150°	3.49	4.46	5.34	6.05	6.43	6.80	7.66