DUFFY — ORC Rating | RegattaPages

GPH

651.2

OSN

631.1

LOA

10.3 m

Displacement

5696 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6964

Medium

0.9541

High

1.1073

Triple Offshore

Low

0.8969

Medium

1.1739

High

1.3179

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.98 m
Displacement: 5696 kg
Crew weight: 560 kg
Wetted surface: 25.88 m²

Sails

Mainsail: 33.59 m²
Genoa: 35.04 m²
Spinnaker: 75.65 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: FELCI-ROSEO
Year built: 2003

Velocity Prediction

Polar CSV

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

6,42.7,4.476711,52,5,60,5.27,75,5.48,90,5.43,110,5.32,120,5.17,135,4.7,146.1,4.144517,150,3.98
8,41,5.247051,52,5.93,60,6.22,75,6.45,90,6.4,110,6.46,120,6.29,135,5.76,150,5.03,150.5,4.997957
10,40.9,5.940305,52,6.62,60,6.83,75,6.98,90,7.02,110,7.1,120,7.01,135,6.65,150,5.93,151.9,5.826826
12,39.8,6.312774,52,6.94,60,7.11,75,7.26,90,7.34,110,7.46,120,7.4,135,7.15,150,6.7,156.6,6.396045
14,38.8,6.428533,52,7.09,60,7.27,75,7.46,90,7.52,110,7.8,120,7.74,135,7.49,150,7.15,174.7,6.537952
16,38.4,6.482126,52,7.15,60,7.34,75,7.62,90,7.75,110,8.11,120,8.12,135,7.83,150,7.46,180,7.01
20,38.8,6.505522,52,7.19,60,7.39,75,7.77,90,8.15,110,8.48,120,8.82,135,8.62,150,8.14,180,7.64

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5	5.27	5.48	5.43	5.32	5.17	4.7	3.98
8	5.93	6.22	6.45	6.4	6.46	6.29	5.76	5.03
10	6.62	6.83	6.98	7.02	7.1	7.01	6.65	5.93
12	6.94	7.11	7.26	7.34	7.46	7.4	7.15	6.7
14	7.09	7.27	7.46	7.52	7.8	7.74	7.49	7.15
16	7.15	7.34	7.62	7.75	8.11	8.12	7.83	7.46
20	7.19	7.39	7.77	8.15	8.48	8.82	8.62	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.29	146.1°	3.44
8	41°	3.96	150.5°	4.35
10	40.9°	4.49	151.9°	5.14
12	39.8°	4.85	156.6°	5.87
14	38.8°	5.01	174.7°	6.51
16	38.4°	5.08	180°	7.01
20	38.8°	5.07	180°	7.64

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