BIG EASY III: ORC Rating

GPH

574.9

OSN

559.9

LOA

14.835 m

Displacement

15478 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.689

Medium

0.9443

High

1.1141

Triple Offshore

Low

0.9017

Medium

1.1818

High

1.3369

Boat Specifications

Dimensions

Length overall: 14.835 m
Beam: 4.3 m
Draft: 2.42 m
Displacement: 15478 kg
Crew weight: 950 kg
Wetted surface: 46.09 m²

Sails

Mainsail: 62.43 m²
Genoa: 55.26 m²
Spinnaker: 163.17 m²
Asymmetric spinnaker: 130.94 m²

Design

Type: SWAN 48 S
Builder: NAUTOR
Designer: FRERS
Year built: 1995

Performance data

Polar CSV

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

6,43.5,4.97674,52,5.55,60,5.89,75,6.31,90,6.55,110,6.34,120,6,135,5.32,142.2,4.910429,150,4.48
8,41.2,5.834547,52,6.58,60,6.92,75,7.46,90,7.73,110,7.57,120,7.22,135,6.54,148,5.754391,150,5.64
10,40.5,6.522832,52,7.4,60,7.7,75,8.08,90,8.31,110,8.25,120,8.08,135,7.61,150,6.651075
12,40.9,7.104552,52,7.86,60,8.1,75,8.35,90,8.62,110,8.62,120,8.53,135,8.25,150,7.57,152.5,7.418173
14,40.5,7.351336,52,8.1,60,8.31,75,8.51,90,8.85,110,8.93,120,8.88,135,8.64,150,8.2,159.5,7.76152
16,39.8,7.445168,52,8.2,60,8.44,75,8.69,90,9.02,110,9.24,120,9.22,135,8.98,150,8.58,180,7.89
20,38.6,7.511,52,8.29,60,8.54,75,8.92,90,9.25,110,9.86,120,9.87,135,9.76,150,9.25,180,8.69

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.55	5.89	6.31	6.55	6.34	6	5.32	4.48
8	6.58	6.92	7.46	7.73	7.57	7.22	6.54	5.64
10	7.4	7.7	8.08	8.31	8.25	8.08	7.61	6.65
12	7.86	8.1	8.35	8.62	8.62	8.53	8.25	7.57
14	8.1	8.31	8.51	8.85	8.93	8.88	8.64	8.2
16	8.2	8.44	8.69	9.02	9.24	9.22	8.98	8.58
20	8.29	8.54	8.92	9.25	9.86	9.87	9.76	9.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.61	142.2°	3.88
8	41.2°	4.39	148°	4.88
10	40.5°	4.96	150°	5.76
12	40.9°	5.37	152.5°	6.58
14	40.5°	5.59	159.5°	7.27
16	39.8°	5.72	180°	7.89
20	38.6°	5.87	180°	8.69

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°	5.55	6.58	7.40	7.86	8.10	8.20	8.29
60°	5.89	6.92	7.70	8.10	8.31	8.44	8.54
75°	6.31	7.46	8.08	8.35	8.51	8.69	8.92
90°	6.55	7.73	8.31	8.62	8.85	9.02	9.25
110°	6.34	7.57	8.25	8.62	8.93	9.24	9.86
120°	6.00	7.22	8.08	8.53	8.88	9.22	9.87
135°	5.32	6.54	7.61	8.25	8.64	8.98	9.76
150°	4.48	5.64	6.65	7.57	8.20	8.58	9.25