Double Edge: ORC Rating

GPH

571.3

OSN

556.4

LOA

11.648 m

Displacement

5771 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8218

Medium

1.0801

High

1.2153

Triple Offshore

Low

1.0532

Medium

1.3231

High

1.4703

Boat Specifications

Dimensions

Length overall: 11.648 m
Beam: 3.75 m
Draft: 2.57 m
Displacement: 5771 kg
Crew weight: 195 kg
Wetted surface: 28.67 m²

Sails

Mainsail: 47.02 m²
Genoa: 38.83 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 137.04 m²

Design

Type: CORBY 38
Builder: CORBY YACHTS
Designer: CORBY
Year built: 2000

Performance data

Polar CSV

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

6,41.5,5.20725,52,5.87,60,6.16,75,6.38,90,6.29,110,6.33,120,6.17,135,5.55,143.7,5.037669,150,4.69
8,40.3,6.13635,52,6.91,60,7.14,75,7.3,90,7.3,110,7.44,120,7.36,135,6.87,146,6.139649,150,5.87
10,39.2,6.710158,52,7.41,60,7.58,75,7.72,90,7.73,110,7.96,120,7.92,135,7.62,149.5,6.951947,150,6.92
12,38.1,6.912896,52,7.65,60,7.83,75,8.02,90,8.06,110,8.25,120,8.43,135,8.11,150,7.57,151.4,7.483061
14,37.6,7.030257,52,7.76,60,7.99,75,8.3,90,8.4,110,8.53,120,8.83,135,8.66,150,7.92,152.4,7.774737
16,37.2,7.080713,52,7.83,60,8.08,75,8.53,90,8.77,110,8.81,120,9.17,135,9.3,150,8.3,176.7,7.432324
20,36.5,7.227655,52,7.96,60,8.18,75,8.75,90,9.38,110,9.5,120,9.95,135,10.8,150,9.35,177.3,8.199102

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.87	6.16	6.38	6.29	6.33	6.17	5.55	4.69
8	6.91	7.14	7.3	7.3	7.44	7.36	6.87	5.87
10	7.41	7.58	7.72	7.73	7.96	7.92	7.62	6.92
12	7.65	7.83	8.02	8.06	8.25	8.43	8.11	7.57
14	7.76	7.99	8.3	8.4	8.53	8.83	8.66	7.92
16	7.83	8.08	8.53	8.77	8.81	9.17	9.3	8.3
20	7.96	8.18	8.75	9.38	9.5	9.95	10.8	9.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	3.9	143.7°	4.06
8	40.3°	4.68	146°	5.09
10	39.2°	5.2	149.5°	5.99
12	38.1°	5.44	151.4°	6.57
14	37.6°	5.57	152.4°	6.89
16	37.2°	5.64	176.7°	7.42
20	36.5°	5.81	177.3°	8.19

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°	5.87	6.91	7.41	7.65	7.76	7.83	7.96
60°	6.16	7.14	7.58	7.83	7.99	8.08	8.18
75°	6.38	7.30	7.72	8.02	8.30	8.53	8.75
90°	6.29	7.30	7.73	8.06	8.40	8.77	9.38
110°	6.33	7.44	7.96	8.25	8.53	8.81	9.50
120°	6.17	7.36	7.92	8.43	8.83	9.17	9.95
135°	5.55	6.87	7.62	8.11	8.66	9.30	10.80
150°	4.69	5.87	6.92	7.57	7.92	8.30	9.35