Private Equity: ORC Rating

GPH

666.8

OSN

647

LOA

7.891 m

Displacement

2088 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6373

Medium

0.8401

High

0.9381

Triple Offshore

Low

0.8075

Medium

1.0054

High

1.1095

Boat Specifications

Dimensions

Length overall: 7.891 m
Beam: 2.51 m
Draft: 1.83 m
Displacement: 2088 kg
Crew weight: 510 kg
Wetted surface: 14.91 m²

Sails

Mainsail: 20.82 m²
Genoa: 20.38 m²
Spinnaker: 58.1 m²
Asymmetric spinnaker: 45.55 m²

Design

Type: Corby 25
Builder: W M Partington
Designer: CORBY
Year built: 2003
Stability index: -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.

4,41.7,3.334949,52,3.87,60,4.11,75,4.23,90,4.06,110,4.11,120,3.94,135,3.41,146,2.967296,150,2.84
6,41.7,4.567139,52,5.11,60,5.33,75,5.45,90,5.37,110,5.43,120,5.27,135,4.76,146,4.245887,150,4.06
8,39.7,5.328831,52,5.89,60,6.03,75,6.12,90,6.19,110,6.26,120,6.16,135,5.8,150,5.14,150.3,5.123001
10,37.1,5.679653,52,6.24,60,6.34,75,6.44,90,6.57,110,6.68,120,6.62,135,6.38,150,5.96,155.9,5.718454
12,36.2,5.824326,52,6.41,60,6.54,75,6.68,90,6.83,110,7.06,120,7.01,135,6.79,150,6.45,164.6,6.047119
14,35.8,5.893494,52,6.49,60,6.65,75,6.86,90,6.99,110,7.41,120,7.39,135,7.2,150,6.83,171.8,6.344868
16,35.6,5.915626,52,6.54,60,6.72,75,7,90,7.18,110,7.75,120,7.82,135,7.65,150,7.21,176.3,6.653869
20,36,5.970208,52,6.59,60,6.79,75,7.16,90,7.53,110,8.22,120,8.89,135,8.93,150,8.14,173,7.395122
24,37.4,5.966658,52,6.58,60,6.79,75,7.24,90,7.75,110,8.56,120,9.88,135,11.21,146,10.73534,150,10.28

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.87	4.11	4.23	4.06	4.11	3.94	3.41	2.84
6	5.11	5.33	5.45	5.37	5.43	5.27	4.76	4.06
8	5.89	6.03	6.12	6.19	6.26	6.16	5.8	5.14
10	6.24	6.34	6.44	6.57	6.68	6.62	6.38	5.96
12	6.41	6.54	6.68	6.83	7.06	7.01	6.79	6.45
14	6.49	6.65	6.86	6.99	7.41	7.39	7.2	6.83
16	6.54	6.72	7	7.18	7.75	7.82	7.65	7.21
20	6.59	6.79	7.16	7.53	8.22	8.89	8.93	8.14
24	6.58	6.79	7.24	7.75	8.56	9.88	11.21	10.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	41.7°	2.49	146°	2.46
6	41.7°	3.41	146°	3.52
8	39.7°	4.1	150.3°	4.45
10	37.1°	4.53	155.9°	5.22
12	36.2°	4.7	164.6°	5.83
14	35.8°	4.78	171.8°	6.28
16	35.6°	4.81	176.3°	6.64
20	36°	4.83	173°	7.34
24	37.4°	4.74	146°	8.9

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 4 kt6 kt8 kt10 kt12 kt14 kt16 kt20 kt24 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 4 kt (kt)	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	0.00
52°	3.87	5.11	5.89	6.24	6.41	6.49	6.54	6.59	6.58
60°	4.11	5.33	6.03	6.34	6.54	6.65	6.72	6.79	6.79
75°	4.23	5.45	6.12	6.44	6.68	6.86	7.00	7.16	7.24
90°	4.06	5.37	6.19	6.57	6.83	6.99	7.18	7.53	7.75
110°	4.11	5.43	6.26	6.68	7.06	7.41	7.75	8.22	8.56
120°	3.94	5.27	6.16	6.62	7.01	7.39	7.82	8.89	9.88
135°	3.41	4.76	5.80	6.38	6.79	7.20	7.65	8.93	11.21
150°	2.84	4.06	5.14	5.96	6.45	6.83	7.21	8.14	10.28