Seven — ORC Rating | RegattaPages

GPH

649.4

OSN

630.7

LOA

10.34 m

Displacement

5199 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6979

Medium

0.9544

High

1.097

Triple Offshore

Low

0.9036

Medium

1.1759

High

1.3127

Boat Specifications

Dimensions

Length overall: 10.34 m
Beam: 3.48 m
Draft: 1.95 m
Displacement: 5199 kg
Crew weight: 616 kg
Wetted surface: 25.17 m²

Sails

Mainsail: 33.11 m²
Genoa: 34.01 m²
Spinnaker: 77.62 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 34 Standard
Builder: Dufour
Designer: Umberto Felci
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.

6,43.1,4.492152,52,5.04,60,5.35,75,5.6,90,5.54,110,5.4,120,5.25,135,4.76,145.8,4.19548,150,4.01
8,41.6,5.282174,52,5.96,60,6.27,75,6.52,90,6.51,110,6.54,120,6.38,135,5.85,150,5.06,150.2,5.047447
10,41.2,5.954162,52,6.61,60,6.83,75,6.99,90,7.04,110,7.14,120,7.06,135,6.73,150,6,150.9,5.951208
12,40.1,6.288228,52,6.92,60,7.1,75,7.26,90,7.33,110,7.5,120,7.44,135,7.2,150,6.76,157,6.442117
14,39.4,6.379948,52,7.04,60,7.24,75,7.46,90,7.54,110,7.85,120,7.82,135,7.55,150,7.2,174.3,6.592597
16,39.1,6.417142,52,7.09,60,7.29,75,7.61,90,7.79,110,8.14,120,8.22,135,7.94,150,7.52,180,7.05
20,39.5,6.415037,52,7.1,60,7.32,75,7.72,90,8.16,110,8.48,120,8.89,135,8.78,150,8.25,180,7.7

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.35	5.6	5.54	5.4	5.25	4.76	4.01
8	5.96	6.27	6.52	6.51	6.54	6.38	5.85	5.06
10	6.61	6.83	6.99	7.04	7.14	7.06	6.73	6
12	6.92	7.1	7.26	7.33	7.5	7.44	7.2	6.76
14	7.04	7.24	7.46	7.54	7.85	7.82	7.55	7.2
16	7.09	7.29	7.61	7.79	8.14	8.22	7.94	7.52
20	7.1	7.32	7.72	8.16	8.48	8.89	8.78	8.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.28	145.8°	3.47
8	41.6°	3.95	150.2°	4.38
10	41.2°	4.48	150.9°	5.2
12	40.1°	4.81	157°	5.93
14	39.4°	4.93	174.3°	6.56
16	39.1°	4.98	180°	7.05
20	39.5°	4.95	180°	7.7

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