Enterprise NG: ORC Rating

GPH

452.9

OSN

443

LOA

12.8 m

Displacement

3246 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8849

Medium

1.1579

High

1.3774

Triple Offshore

Low

1.1561

Medium

1.4846

High

1.7399

Boat Specifications

Dimensions

Length overall: 12.8 m
Beam: 3.9 m
Draft: 2.55 m
Displacement: 3246 kg
Crew weight: 787 kg
Wetted surface: 28.82 m²

Sails

Mainsail: 64.92 m²
Genoa: 42.98 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 195.15 m²

Design

Type: GP42
Designer: Carkeek / Botin
Year built: 2009
Stability index: 144.7

Performance data

Polar CSV

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

6,45.4,6.764907,52,7.45,60,7.93,75,8.28,90,8.29,110,8.1,120,7.76,135,6.72,141.2,6.236062,150,5.61
8,41.8,7.57905,52,8.35,60,8.78,75,9.46,90,9.58,110,9.42,120,8.98,135,8.34,145.1,7.596154,150,7.2
10,39,7.810631,52,8.81,60,9.37,75,10.24,90,10.88,110,10.62,120,10.46,135,9.63,148.4,8.441673,150,8.3
12,37.6,7.964259,52,9.13,60,9.74,75,10.78,90,11.7,110,11.52,120,11.87,135,11.19,143.3,10.264717,150,9.5
14,37.2,8.047406,52,9.41,60,10.06,75,11.26,90,12.31,110,13.01,120,12.9,135,12.5,142.4,12.078916,150,11.05
16,37,8.038711,52,9.51,60,10.3,75,11.64,90,12.82,110,13.89,120,13.85,135,14.08,143.8,13.693362,150,12.76
20,37.9,8.148688,52,9.54,60,10.25,75,11.64,90,13.49,110,15.25,120,16.05,135,17.02,148.4,16.8129,150,16.54

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.45	7.93	8.28	8.29	8.1	7.76	6.72	5.61
8	8.35	8.78	9.46	9.58	9.42	8.98	8.34	7.2
10	8.81	9.37	10.24	10.88	10.62	10.46	9.63	8.3
12	9.13	9.74	10.78	11.7	11.52	11.87	11.19	9.5
14	9.41	10.06	11.26	12.31	13.01	12.9	12.5	11.05
16	9.51	10.3	11.64	12.82	13.89	13.85	14.08	12.76
20	9.54	10.25	11.64	13.49	15.25	16.05	17.02	16.54

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	4.75	141.2°	4.86
8	41.8°	5.65	145.1°	6.23
10	39°	6.07	148.4°	7.19
12	37.6°	6.31	143.3°	8.23
14	37.2°	6.41	142.4°	9.57
16	37°	6.42	143.8°	11.05
20	37.9°	6.43	148.4°	14.32

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°	7.45	8.35	8.81	9.13	9.41	9.51	9.54
60°	7.93	8.78	9.37	9.74	10.06	10.30	10.25
75°	8.28	9.46	10.24	10.78	11.26	11.64	11.64
90°	8.29	9.58	10.88	11.70	12.31	12.82	13.49
110°	8.10	9.42	10.62	11.52	13.01	13.89	15.25
120°	7.76	8.98	10.46	11.87	12.90	13.85	16.05
135°	6.72	8.34	9.63	11.19	12.50	14.08	17.02
150°	5.61	7.20	8.30	9.50	11.05	12.76	16.54