BEST BUDDIES: ORC Rating

GPH

588.6

OSN

571.3

LOA

13.504 m

Displacement

12984 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.704

Medium

0.9405

High

1.0845

Triple Offshore

Low

0.8992

Medium

1.1465

High

1.2742

Boat Specifications

Dimensions

Length overall: 13.504 m
Beam: 4.07 m
Draft: 2.59 m
Displacement: 12984 kg
Crew weight: 794 kg
Wetted surface: 40.93 m²

Sails

Mainsail: 51.49 m²
Genoa: 72.37 m²
Spinnaker: 162.16 m²
Asymmetric spinnaker: 151.06 m²

Design

Type: SWAN 441R MOD.
Builder: NAUTOR
Designer: RON HOLLAND
Year built: 1978
Stability index: 138.1

Performance data

Polar CSV

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

6,41.8,5.204728,52,5.81,60,6.06,75,6.2,90,6.07,110,5.87,120,5.72,135,5.17,144.2,4.660546,150,4.37
8,39.6,6.008982,52,6.76,60,6.97,75,7.09,90,7.01,110,7.04,120,6.9,135,6.36,147.8,5.648828,150,5.52
10,38.8,6.58251,52,7.29,60,7.45,75,7.56,90,7.57,110,7.69,120,7.61,135,7.26,150,6.49,151.1,6.419449
12,38.1,6.849358,52,7.55,60,7.71,75,7.84,90,7.92,110,8.07,120,8.04,135,7.8,150,7.29,155.9,7.000176
14,37.2,6.967723,52,7.69,60,7.86,75,8.04,90,8.14,110,8.36,120,8.38,135,8.18,150,7.78,164.6,7.260692
16,36.6,7.037714,52,7.78,60,7.95,75,8.18,90,8.31,110,8.61,120,8.68,135,8.52,150,8.14,176.6,7.543277
20,36,7.132112,52,7.87,60,8.06,75,8.36,90,8.58,110,9.05,120,9.21,135,9.17,150,8.78,178.4,8.253218

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.81	6.06	6.2	6.07	5.87	5.72	5.17	4.37
8	6.76	6.97	7.09	7.01	7.04	6.9	6.36	5.52
10	7.29	7.45	7.56	7.57	7.69	7.61	7.26	6.49
12	7.55	7.71	7.84	7.92	8.07	8.04	7.8	7.29
14	7.69	7.86	8.04	8.14	8.36	8.38	8.18	7.78
16	7.78	7.95	8.18	8.31	8.61	8.68	8.52	8.14
20	7.87	8.06	8.36	8.58	9.05	9.21	9.17	8.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.88	144.2°	3.78
8	39.6°	4.63	147.8°	4.78
10	38.8°	5.13	151.1°	5.62
12	38.1°	5.39	155.9°	6.39
14	37.2°	5.55	164.6°	7
16	36.6°	5.65	176.6°	7.53
20	36°	5.77	178.4°	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°	5.81	6.76	7.29	7.55	7.69	7.78	7.87
60°	6.06	6.97	7.45	7.71	7.86	7.95	8.06
75°	6.20	7.09	7.56	7.84	8.04	8.18	8.36
90°	6.07	7.01	7.57	7.92	8.14	8.31	8.58
110°	5.87	7.04	7.69	8.07	8.36	8.61	9.05
120°	5.72	6.90	7.61	8.04	8.38	8.68	9.21
135°	5.17	6.36	7.26	7.80	8.18	8.52	9.17
150°	4.37	5.52	6.49	7.29	7.78	8.14	8.78