Ananya: ORC Rating

GPH

643.1

OSN

622.2

LOA

13.05 m

Displacement

10709 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6325

Medium

0.8598

High

1.0021

Triple Offshore

Low

0.8096

Medium

1.0551

High

1.1859

Boat Specifications

Dimensions

Length overall: 13.05 m
Beam: 3.55 m
Draft: 2.18 m
Displacement: 10709 kg
Crew weight: 480 kg
Wetted surface: 33.31 m²

Sails

Mainsail: 39.83 m²
Genoa: 55.9 m²
Spinnaker: 125.24 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 43
Builder: Nautors
Designer: Sparkman&Stephens
Year built: 1970
Stability index: 141.4

Performance data

Polar CSV

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

6,43.2,4.609252,52,5.11,60,5.36,75,5.52,90,5.43,110,5.37,120,5.25,135,4.79,146,4.233825,150,4.06
8,41.1,5.374465,52,5.99,60,6.24,75,6.4,90,6.33,110,6.46,120,6.35,135,5.89,150,5.14,150.5,5.112852
10,40,5.926549,52,6.62,60,6.82,75,6.97,90,6.95,110,7.16,120,7.11,135,6.76,150,6.07,151.6,5.991029
12,39.4,6.302302,52,6.98,60,7.16,75,7.31,90,7.33,110,7.57,120,7.55,135,7.32,150,6.83,156.8,6.516995
14,39,6.485268,52,7.18,60,7.36,75,7.53,90,7.59,110,7.85,120,7.88,135,7.7,150,7.33,164.6,6.825051
16,38.8,6.608173,52,7.29,60,7.47,75,7.7,90,7.79,110,8.05,120,8.15,135,8.03,150,7.69,175.4,7.122944
20,38.4,6.699048,52,7.39,60,7.59,75,7.87,90,8.09,110,8.3,120,8.56,135,8.62,150,8.3,178.4,7.803042

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.11	5.36	5.52	5.43	5.37	5.25	4.79	4.06
8	5.99	6.24	6.4	6.33	6.46	6.35	5.89	5.14
10	6.62	6.82	6.97	6.95	7.16	7.11	6.76	6.07
12	6.98	7.16	7.31	7.33	7.57	7.55	7.32	6.83
14	7.18	7.36	7.53	7.59	7.85	7.88	7.7	7.33
16	7.29	7.47	7.7	7.79	8.05	8.15	8.03	7.69
20	7.39	7.59	7.87	8.09	8.3	8.56	8.62	8.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.36	146°	3.51
8	41.1°	4.05	150.5°	4.45
10	40°	4.54	151.6°	5.27
12	39.4°	4.87	156.8°	5.99
14	39°	5.04	164.6°	6.58
16	38.8°	5.15	175.4°	7.1
20	38.4°	5.25	178.4°	7.8

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°	5.11	5.99	6.62	6.98	7.18	7.29	7.39
60°	5.36	6.24	6.82	7.16	7.36	7.47	7.59
75°	5.52	6.40	6.97	7.31	7.53	7.70	7.87
90°	5.43	6.33	6.95	7.33	7.59	7.79	8.09
110°	5.37	6.46	7.16	7.57	7.85	8.05	8.30
120°	5.25	6.35	7.11	7.55	7.88	8.15	8.56
135°	4.79	5.89	6.76	7.32	7.70	8.03	8.62
150°	4.06	5.14	6.07	6.83	7.33	7.69	8.30