ALBA: ORC Rating

GPH

620

OSN

597.9

LOA

12.99 m

Displacement

9652 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6255

Medium

0.8822

High

1.041

Triple Offshore

Low

0.8147

Medium

1.107

High

1.2713

Boat Specifications

Dimensions

Length overall: 12.99 m
Beam: 4.24 m
Draft: 2.19 m
Displacement: 9652 kg
Crew weight: 750 kg
Wetted surface: 36.75 m²

Sails

Mainsail: 47.55 m²
Genoa: 36.19 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 123.88 m²

Design

Type: SUN ODYSSEY 439
Builder: JEANNEAU
Designer: BRIAND PHILIPPE
Year built: 2011
Stability index: 119.6

Performance data

Polar CSV

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

6,45.6,4.487873,52,4.89,60,5.22,75,5.43,90,5.65,110,5.72,120,5.53,135,4.94,143.3,4.502506,150,4.16
8,43.2,5.391179,52,5.98,60,6.3,75,6.53,90,6.87,110,7,120,6.81,135,6.22,146.9,5.538852,150,5.36
10,41.8,6.090069,52,6.78,60,7.07,75,7.29,90,7.66,110,7.81,120,7.69,135,7.22,147.5,6.533147,150,6.36
12,40.6,6.611602,52,7.33,60,7.57,75,7.77,90,8.1,110,8.29,120,8.21,135,7.89,148,7.310906,150,7.15
14,39.6,6.917467,52,7.68,60,7.89,75,8.08,90,8.34,110,8.69,120,8.65,135,8.34,149.2,7.741921,150,7.68
16,39.3,7.094488,52,7.86,60,8.09,75,8.33,90,8.5,110,9.05,120,9.07,135,8.77,150,8.05,170,7.158758
20,39.3,7.197868,52,7.99,60,8.26,75,8.67,90,8.89,110,9.56,120,9.91,135,9.66,150,8.68,175.8,8.011515

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.22	5.43	5.65	5.72	5.53	4.94	4.16
8	5.98	6.3	6.53	6.87	7	6.81	6.22	5.36
10	6.78	7.07	7.29	7.66	7.81	7.69	7.22	6.36
12	7.33	7.57	7.77	8.1	8.29	8.21	7.89	7.15
14	7.68	7.89	8.08	8.34	8.69	8.65	8.34	7.68
16	7.86	8.09	8.33	8.5	9.05	9.07	8.77	8.05
20	7.99	8.26	8.67	8.89	9.56	9.91	9.66	8.68

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.6°	3.14	143.3°	3.61
8	43.2°	3.93	146.9°	4.64
10	41.8°	4.54	147.5°	5.51
12	40.6°	5.02	148°	6.2
14	39.6°	5.33	149.2°	6.65
16	39.3°	5.49	170°	7.05
20	39.3°	5.57	175.8°	7.99

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°	4.89	5.98	6.78	7.33	7.68	7.86	7.99
60°	5.22	6.30	7.07	7.57	7.89	8.09	8.26
75°	5.43	6.53	7.29	7.77	8.08	8.33	8.67
90°	5.65	6.87	7.66	8.10	8.34	8.50	8.89
110°	5.72	7.00	7.81	8.29	8.69	9.05	9.56
120°	5.53	6.81	7.69	8.21	8.65	9.07	9.91
135°	4.94	6.22	7.22	7.89	8.34	8.77	9.66
150°	4.16	5.36	6.36	7.15	7.68	8.05	8.68