ALEXIS P: ORC Rating

GPH

648.9

OSN

627.3

LOA

13.054 m

Displacement

12583 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6126

Medium

0.8394

High

1.0049

Triple Offshore

Low

0.7886

Medium

1.0501

High

1.2084

Boat Specifications

Dimensions

Length overall: 13.054 m
Beam: 4 m
Draft: 2.53 m
Displacement: 12583 kg
Crew weight: 900 kg
Wetted surface: 39.48 m²

Sails

Mainsail: 40.48 m²
Genoa: 38.66 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 110.85 m²

Design

Type: SWAN 43
Builder: NAUTOR SWAN
Designer: RON HOLLAND
Year built: 1985
Stability index: 119.2

Performance data

Polar CSV

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

6,43.2,4.334892,52,4.82,60,5.08,75,5.24,90,5.39,110,5.42,120,5.26,135,4.75,145.1,4.267502,150,4.05
8,40.8,5.085898,52,5.71,60,5.96,75,6.15,90,6.47,110,6.56,120,6.35,135,5.83,147.8,5.223394,150,5.1
10,39.9,5.683261,52,6.42,60,6.71,75,6.92,90,7.29,110,7.36,120,7.24,135,6.77,147.1,6.133728,150,5.94
12,40,6.265955,52,7,60,7.2,75,7.36,90,7.69,110,7.77,120,7.69,135,7.41,147.1,6.907888,150,6.7
14,39.3,6.680966,52,7.33,60,7.49,75,7.62,90,7.93,110,8.07,120,8.01,135,7.78,148.7,7.291165,150,7.19
16,38.2,6.884205,52,7.52,60,7.68,75,7.82,90,8.04,110,8.36,120,8.32,135,8.08,150,7.53,169.4,6.745103
20,37.5,7.020831,52,7.7,60,7.9,75,8.13,90,8.23,110,8.82,120,8.96,135,8.71,150,7.99,176.3,7.515666

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.08	5.24	5.39	5.42	5.26	4.75	4.05
8	5.71	5.96	6.15	6.47	6.56	6.35	5.83	5.1
10	6.42	6.71	6.92	7.29	7.36	7.24	6.77	5.94
12	7	7.2	7.36	7.69	7.77	7.69	7.41	6.7
14	7.33	7.49	7.62	7.93	8.07	8.01	7.78	7.19
16	7.52	7.68	7.82	8.04	8.36	8.32	8.08	7.53
20	7.7	7.9	8.13	8.23	8.82	8.96	8.71	7.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.16	145.1°	3.5
8	40.8°	3.85	147.8°	4.42
10	39.9°	4.36	147.1°	5.15
12	40°	4.8	147.1°	5.8
14	39.3°	5.17	148.7°	6.23
16	38.2°	5.41	169.4°	6.63
20	37.5°	5.57	176.3°	7.5

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°	4.82	5.71	6.42	7.00	7.33	7.52	7.70
60°	5.08	5.96	6.71	7.20	7.49	7.68	7.90
75°	5.24	6.15	6.92	7.36	7.62	7.82	8.13
90°	5.39	6.47	7.29	7.69	7.93	8.04	8.23
110°	5.42	6.56	7.36	7.77	8.07	8.36	8.82
120°	5.26	6.35	7.24	7.69	8.01	8.32	8.96
135°	4.75	5.83	6.77	7.41	7.78	8.08	8.71
150°	4.05	5.10	5.94	6.70	7.19	7.53	7.99