BAFFI: ORC Rating

GPH

600.9

OSN

580.3

LOA

14.75 m

Displacement

14889 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6243

Medium

0.8997

High

1.0903

Triple Offshore

Low

0.8242

Medium

1.1471

High

1.3525

Boat Specifications

Dimensions

Length overall: 14.75 m
Beam: 4.8 m
Draft: 2.3 m
Displacement: 14889 kg
Crew weight: 400 kg
Wetted surface: 51.55 m²

Sails

Mainsail: 53.53 m²
Genoa: 51.22 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 145.23 m²

Design

Type: DUFOUR 500
Builder: DUFOUR
Designer: FELCI
Year built: 2014
Stability index: 133.3

Performance data

Polar CSV

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

6,46.6,4.497244,52,4.89,60,5.27,75,5.75,90,6.05,110,5.86,120,5.54,135,4.95,143.3,4.514979,150,4.18
8,44.8,5.510374,52,6.07,60,6.45,75,7.02,90,7.33,110,7.18,120,6.91,135,6.31,146.6,5.629768,150,5.42
10,43.6,6.296848,52,6.95,60,7.32,75,7.92,90,8.22,110,8.12,120,7.95,135,7.41,147.5,6.675429,150,6.5
12,42.4,6.879224,52,7.63,60,7.96,75,8.5,90,8.77,110,8.75,120,8.65,135,8.24,147.8,7.563285,150,7.39
14,41.4,7.318916,52,8.11,60,8.39,75,8.84,90,9.16,110,9.21,120,9.14,135,8.8,148.3,8.192183,150,8.05
16,40.8,7.609033,52,8.42,60,8.68,75,9.05,90,9.5,110,9.65,120,9.6,135,9.26,149.2,8.568502,150,8.5
20,41.4,7.905496,52,8.69,60,9.01,75,9.4,90,10,110,10.48,120,10.56,135,10.19,150,9.18,174.8,8.344342

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.27	5.75	6.05	5.86	5.54	4.95	4.18
8	6.07	6.45	7.02	7.33	7.18	6.91	6.31	5.42
10	6.95	7.32	7.92	8.22	8.12	7.95	7.41	6.5
12	7.63	7.96	8.5	8.77	8.75	8.65	8.24	7.39
14	8.11	8.39	8.84	9.16	9.21	9.14	8.8	8.05
16	8.42	8.68	9.05	9.5	9.65	9.6	9.26	8.5
20	8.69	9.01	9.4	10	10.48	10.56	10.19	9.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.6°	3.09	143.3°	3.62
8	44.8°	3.91	146.6°	4.7
10	43.6°	4.56	147.5°	5.63
12	42.4°	5.08	147.8°	6.4
14	41.4°	5.49	148.3°	6.97
16	40.8°	5.76	149.2°	7.36
20	41.4°	5.93	174.8°	8.31

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°	4.89	6.07	6.95	7.63	8.11	8.42	8.69
60°	5.27	6.45	7.32	7.96	8.39	8.68	9.01
75°	5.75	7.02	7.92	8.50	8.84	9.05	9.40
90°	6.05	7.33	8.22	8.77	9.16	9.50	10.00
110°	5.86	7.18	8.12	8.75	9.21	9.65	10.48
120°	5.54	6.91	7.95	8.65	9.14	9.60	10.56
135°	4.95	6.31	7.41	8.24	8.80	9.26	10.19
150°	4.18	5.42	6.50	7.39	8.05	8.50	9.18