DIOSCURA: ORC Rating

GPH

600.5

OSN

583.5

LOA

14.35 m

Displacement

14200 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6567

Medium

0.9068

High

1.089

Triple Offshore

Low

0.8563

Medium

1.1329

High

1.2973

Boat Specifications

Dimensions

Length overall: 14.35 m
Beam: 4.4 m
Draft: 2.72 m
Displacement: 14200 kg
Crew weight: 800 kg
Wetted surface: 44.23 m²

Sails

Mainsail: 41.33 m²
Genoa: 63.09 m²
Spinnaker: 156.16 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 46 MK II
Builder: Nautor
Designer: Frers
Year built: 1983

Performance data

Polar CSV

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

6,43.9,4.871271,52,5.42,60,5.79,75,6.18,90,6.21,110,5.61,120,5.47,135,4.96,145,4.419204,150,4.18
8,42,5.705483,52,6.44,60,6.86,75,7.27,90,7.26,110,6.82,120,6.66,135,6.12,149,5.354847,150,5.3
10,42,6.472493,52,7.27,60,7.59,75,7.83,90,7.82,110,7.71,120,7.61,135,7.14,150,6.258477
12,41.6,6.993866,52,7.68,60,7.92,75,8.12,90,8.14,110,8.16,120,8.1,135,7.81,150,7.14,152,7.03326
14,39,7.11578,52,7.89,60,8.12,75,8.34,90,8.38,110,8.48,120,8.44,135,8.2,150,7.77,159,7.358766
16,38.1,7.294122,52,8.01,60,8.25,75,8.52,90,8.6,110,8.78,120,8.78,135,8.53,150,8.15,180,7.48
20,37.1,7.397341,52,8.14,60,8.38,75,8.73,90,9.02,110,9.14,120,9.42,135,9.23,150,8.76,180,8.25

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.42	5.79	6.18	6.21	5.61	5.47	4.96	4.18
8	6.44	6.86	7.27	7.26	6.82	6.66	6.12	5.3
10	7.27	7.59	7.83	7.82	7.71	7.61	7.14	6.26
12	7.68	7.92	8.12	8.14	8.16	8.1	7.81	7.14
14	7.89	8.12	8.34	8.38	8.48	8.44	8.2	7.77
16	8.01	8.25	8.52	8.6	8.78	8.78	8.53	8.15
20	8.14	8.38	8.73	9.02	9.14	9.42	9.23	8.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.51	145°	3.62
8	42°	4.24	149°	4.59
10	42°	4.81	150°	5.42
12	41.6°	5.23	152°	6.21
14	39°	5.53	159°	6.87
16	38.1°	5.74	180°	7.48
20	37.1°	5.9	180°	8.25

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°	5.42	6.44	7.27	7.68	7.89	8.01	8.14
60°	5.79	6.86	7.59	7.92	8.12	8.25	8.38
75°	6.18	7.27	7.83	8.12	8.34	8.52	8.73
90°	6.21	7.26	7.82	8.14	8.38	8.60	9.02
110°	5.61	6.82	7.71	8.16	8.48	8.78	9.14
120°	5.47	6.66	7.61	8.10	8.44	8.78	9.42
135°	4.96	6.12	7.14	7.81	8.20	8.53	9.23
150°	4.18	5.30	6.26	7.14	7.77	8.15	8.76