POLO III: ORC Rating

GPH

621

OSN

603.1

LOA

12.06 m

Displacement

8072 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7274

Medium

0.9913

High

1.1467

Triple Offshore

Low

0.9407

Medium

1.2321

High

1.3768

Boat Specifications

Dimensions

Length overall: 12.06 m
Beam: 3.89 m
Draft: 2.08 m
Displacement: 8072 kg
Crew weight: 400 kg
Wetted surface: 32.48 m²

Sails

Mainsail: 45.17 m²
Genoa: 41.34 m²
Spinnaker: 98.74 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 40
Builder: DUFOUR
Designer: FELCI
Year built: 2003

Performance data

Polar CSV

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

6,43.3,4.685529,52,5.22,60,5.53,75,5.78,90,5.72,110,5.62,120,5.46,135,4.94,144.9,4.412395,150,4.17
8,41.5,5.514345,52,6.23,60,6.56,75,6.83,90,6.78,110,6.85,120,6.66,135,6.08,149.5,5.303906,150,5.27
10,41.3,6.202878,52,6.95,60,7.23,75,7.43,90,7.44,110,7.58,120,7.48,135,7.05,150,6.23,151.2,6.162226
12,41,6.585315,52,7.3,60,7.53,75,7.73,90,7.77,110,7.95,120,7.91,135,7.63,150,7.06,154.6,6.830243
14,40.3,6.70016,52,7.43,60,7.66,75,7.92,90,8.01,110,8.24,120,8.26,135,8,150,7.61,168,6.972363
16,40.1,6.758864,52,7.48,60,7.72,75,8.04,90,8.23,110,8.42,120,8.62,135,8.37,150,7.96,180,7.41
20,40.2,6.8081,52,7.5,60,7.76,75,8.13,90,8.55,110,8.76,120,9.1,135,9.2,150,8.69,180,8.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.22	5.53	5.78	5.72	5.62	5.46	4.94	4.17
8	6.23	6.56	6.83	6.78	6.85	6.66	6.08	5.27
10	6.95	7.23	7.43	7.44	7.58	7.48	7.05	6.23
12	7.3	7.53	7.73	7.77	7.95	7.91	7.63	7.06
14	7.43	7.66	7.92	8.01	8.24	8.26	8	7.61
16	7.48	7.72	8.04	8.23	8.42	8.62	8.37	7.96
20	7.5	7.76	8.13	8.55	8.76	9.1	9.2	8.69

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	3.41	144.9°	3.61
8	41.5°	4.13	149.5°	4.57
10	41.3°	4.66	151.2°	5.4
12	41°	4.97	154.6°	6.17
14	40.3°	5.11	168°	6.82
16	40.1°	5.17	180°	7.41
20	40.2°	5.2	180°	8.13

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°	5.22	6.23	6.95	7.30	7.43	7.48	7.50
60°	5.53	6.56	7.23	7.53	7.66	7.72	7.76
75°	5.78	6.83	7.43	7.73	7.92	8.04	8.13
90°	5.72	6.78	7.44	7.77	8.01	8.23	8.55
110°	5.62	6.85	7.58	7.95	8.24	8.42	8.76
120°	5.46	6.66	7.48	7.91	8.26	8.62	9.10
135°	4.94	6.08	7.05	7.63	8.00	8.37	9.20
150°	4.17	5.27	6.23	7.06	7.61	7.96	8.69