Zeilmakerij.com — ORC Rating

GPH

660.8

OSN

638

LOA

10.3 m

Displacement

5554 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.602

Medium

0.8378

High

0.9859

Triple Offshore

Low

0.7779

Medium

1.0319

High

1.1723

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.94 m
Displacement: 5554 kg
Crew weight: 500 kg
Wetted surface: 25.18 m²

Sails

Mainsail: 31.28 m²
Genoa: 28.89 m²
Spinnaker: 73.36 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 34
Builder: Dufour Yachts
Designer: Felci
Year built: 2003
Stability index: 123.4

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.

6,44.4,4.408846,52,4.86,60,5.15,75,5.34,90,5.23,110,5.29,120,5.12,135,4.61,145.1,4.096802,150,3.88
8,42,5.180686,52,5.79,60,6.06,75,6.26,90,6.28,110,6.4,120,6.24,135,5.72,149.6,4.985428,150,4.97
10,40.8,5.786035,52,6.43,60,6.65,75,6.82,90,6.94,110,7.06,120,6.97,135,6.59,150,5.91,152.3,5.782739
12,39.4,6.172891,52,6.83,60,7,75,7.15,90,7.31,110,7.46,120,7.4,135,7.13,150,6.65,157.3,6.341202
14,38.4,6.380046,52,7.05,60,7.22,75,7.4,90,7.54,110,7.81,120,7.76,135,7.51,150,7.14,168.2,6.589248
16,38.1,6.48084,52,7.18,60,7.37,75,7.59,90,7.68,110,8.12,120,8.12,135,7.87,150,7.5,177.2,6.968319
20,38.7,6.598923,52,7.26,60,7.49,75,7.87,90,8.1,110,8.57,120,8.8,135,8.63,150,8.18,179,7.651165

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.86	5.15	5.34	5.23	5.29	5.12	4.61	3.88
8	5.79	6.06	6.26	6.28	6.4	6.24	5.72	4.97
10	6.43	6.65	6.82	6.94	7.06	6.97	6.59	5.91
12	6.83	7	7.15	7.31	7.46	7.4	7.13	6.65
14	7.05	7.22	7.4	7.54	7.81	7.76	7.51	7.14
16	7.18	7.37	7.59	7.68	8.12	8.12	7.87	7.5
20	7.26	7.49	7.87	8.1	8.57	8.8	8.63	8.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.15	145.1°	3.36
8	42°	3.85	149.6°	4.3
10	40.8°	4.38	152.3°	5.12
12	39.4°	4.77	157.3°	5.85
14	38.4°	5	168.2°	6.45
16	38.1°	5.1	177.2°	6.96
20	38.7°	5.15	179°	7.65

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