Dynox: ORC Rating

GPH

565.9

OSN

547.8

LOA

14.506 m

Displacement

13066 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7005

Medium

0.973

High

1.1482

Triple Offshore

Low

0.9085

Medium

1.2045

High

1.3681

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.83 m
Displacement: 13066 kg
Crew weight: 984 kg
Wetted surface: 45.48 m²

Sails

Mainsail: 66.22 m²
Genoa: 62.66 m²
Spinnaker: 140.04 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 47.7
Builder: Beneteau
Designer: Farr
Year built: 1999
Stability index: 120

Performance data

Polar CSV

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

6,43,5.168498,52,5.78,60,6.12,75,6.4,90,6.32,110,6.02,120,5.84,135,5.25,141.2,4.875933,150,4.39
8,41.2,6.113648,52,6.89,60,7.23,75,7.49,90,7.43,110,7.34,120,7.15,135,6.5,147.9,5.701659,150,5.58
10,40.6,6.914524,52,7.7,60,7.95,75,8.12,90,8.11,110,8.19,120,8.07,135,7.55,150,6.63,150.2,6.614691
12,39.3,7.378784,52,8.12,60,8.31,75,8.46,90,8.51,110,8.65,120,8.56,135,8.23,150,7.56,153.3,7.354164
14,38.1,7.535565,52,8.32,60,8.51,75,8.72,90,8.77,110,9.03,120,8.97,135,8.65,150,8.19,159.7,7.762113
16,37.2,7.582892,52,8.41,60,8.62,75,8.92,90,9.05,110,9.41,120,9.4,135,9.05,150,8.6,173,7.949253
20,37.6,7.737069,52,8.5,60,8.73,75,9.17,90,9.56,110,9.87,120,10.23,135,9.97,150,9.39,179,8.721328

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.78	6.12	6.4	6.32	6.02	5.84	5.25	4.39
8	6.89	7.23	7.49	7.43	7.34	7.15	6.5	5.58
10	7.7	7.95	8.12	8.11	8.19	8.07	7.55	6.63
12	8.12	8.31	8.46	8.51	8.65	8.56	8.23	7.56
14	8.32	8.51	8.72	8.77	9.03	8.97	8.65	8.19
16	8.41	8.62	8.92	9.05	9.41	9.4	9.05	8.6
20	8.5	8.73	9.17	9.56	9.87	10.23	9.97	9.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.78	141.2°	3.8
8	41.2°	4.6	147.9°	4.83
10	40.6°	5.25	150.2°	5.74
12	39.3°	5.71	153.3°	6.57
14	38.1°	5.93	159.7°	7.28
16	37.2°	6.04	173°	7.89
20	37.6°	6.13	179°	8.72

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°	5.78	6.89	7.70	8.12	8.32	8.41	8.50
60°	6.12	7.23	7.95	8.31	8.51	8.62	8.73
75°	6.40	7.49	8.12	8.46	8.72	8.92	9.17
90°	6.32	7.43	8.11	8.51	8.77	9.05	9.56
110°	6.02	7.34	8.19	8.65	9.03	9.41	9.87
120°	5.84	7.15	8.07	8.56	8.97	9.40	10.23
135°	5.25	6.50	7.55	8.23	8.65	9.05	9.97
150°	4.39	5.58	6.63	7.56	8.19	8.60	9.39