Windpower 2: ORC Rating

GPH

463.3

OSN

452.5

LOA

14.989 m

Displacement

7995 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8946

Medium

1.1644

High

1.3511

Triple Offshore

Low

1.1528

Medium

1.444

High

1.6534

Boat Specifications

Dimensions

Length overall: 14.989 m
Beam: 4.2 m
Draft: 3.24 m
Displacement: 7995 kg
Crew weight: 1280 kg
Wetted surface: 42.53 m²

Sails

Mainsail: 93.02 m²
Genoa: 63.27 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 245.44 m²

Design

Type: Corby 49
Designer: Corby
Year built: 2007

Performance data

Polar CSV

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

6,42.7,6.721869,52,7.5,60,7.91,75,8.18,90,8.05,110,7.77,120,7.39,135,6.65,141.2,6.159074,150,5.55
8,39.9,7.625477,52,8.56,60,8.86,75,9.08,90,9.04,110,8.97,120,8.83,135,8.3,142.8,7.658218,150,7.05
10,38.1,7.993036,52,8.96,60,9.26,75,9.64,90,9.66,110,9.79,120,9.71,135,9.27,148.1,8.433732,150,8.27
12,37.4,8.245065,52,9.21,60,9.54,75,10.04,90,10.29,110,10.57,120,10.44,135,10.16,150,9.16,152.5,8.985234
14,36.7,8.393869,52,9.39,60,9.76,75,10.34,90,10.78,110,11.25,120,11.32,135,11.19,150,9.96,150.1,9.943514
16,36.1,8.490205,52,9.55,60,9.94,75,10.59,90,11.18,110,11.82,120,12.26,135,12.36,147.7,11.132645,150,10.87
20,36,8.627754,52,9.76,60,10.2,75,10.98,90,11.87,110,12.79,120,13.85,135,14.28,144.5,14.199459,150,13.35
24,36.8,8.642099,52,9.79,60,10.29,75,11.21,90,12.37,110,14.07,120,15.1,135,17.11,147.3,17.551766,150,17.05

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.5	7.91	8.18	8.05	7.77	7.39	6.65	5.55
8	8.56	8.86	9.08	9.04	8.97	8.83	8.3	7.05
10	8.96	9.26	9.64	9.66	9.79	9.71	9.27	8.27
12	9.21	9.54	10.04	10.29	10.57	10.44	10.16	9.16
14	9.39	9.76	10.34	10.78	11.25	11.32	11.19	9.96
16	9.55	9.94	10.59	11.18	11.82	12.26	12.36	10.87
20	9.76	10.2	10.98	11.87	12.79	13.85	14.28	13.35
24	9.79	10.29	11.21	12.37	14.07	15.1	17.11	17.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	4.94	141.2°	4.8
8	39.9°	5.85	142.8°	6.1
10	38.1°	6.29	148.1°	7.16
12	37.4°	6.55	152.5°	7.97
14	36.7°	6.73	150.1°	8.62
16	36.1°	6.86	147.7°	9.41
20	36°	6.98	144.5°	11.56
24	36.8°	6.92	147.3°	14.77

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	7.50	8.56	8.96	9.21	9.39	9.55	9.76	9.79
60°	7.91	8.86	9.26	9.54	9.76	9.94	10.20	10.29
75°	8.18	9.08	9.64	10.04	10.34	10.59	10.98	11.21
90°	8.05	9.04	9.66	10.29	10.78	11.18	11.87	12.37
110°	7.77	8.97	9.79	10.57	11.25	11.82	12.79	14.07
120°	7.39	8.83	9.71	10.44	11.32	12.26	13.85	15.10
135°	6.65	8.30	9.27	10.16	11.19	12.36	14.28	17.11
150°	5.55	7.05	8.27	9.16	9.96	10.87	13.35	17.05