Zeilmakerij.com — ORC Rating

GPH

665.8

OSN

644.9

LOA

10.3 m

Displacement

5554 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.597

Medium

0.8254

High

0.9752

Triple Offshore

Low

0.7736

Medium

1.0223

High

1.1631

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: 25.48 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

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.

6,43.9,4.274506,52,4.77,60,5.08,75,5.32,90,5.27,110,5.31,120,5.15,135,4.67,146,4.125265,150,3.95
8,42,5.01921,52,5.65,60,5.97,75,6.25,90,6.3,110,6.43,120,6.27,135,5.73,150,4.988306
10,41.8,5.674227,52,6.35,60,6.62,75,6.82,90,6.97,110,7.07,120,6.98,135,6.63,150,5.89,152,5.787433
12,40.9,6.165216,52,6.78,60,6.97,75,7.13,90,7.31,110,7.43,120,7.37,135,7.13,150,6.67,156,6.392676
14,39.4,6.367007,52,7.01,60,7.18,75,7.35,90,7.48,110,7.77,120,7.71,135,7.46,150,7.12,174,6.505639
16,39,6.459533,52,7.12,60,7.31,75,7.53,90,7.63,110,8.1,120,8.08,135,7.81,150,7.44,180,6.98
20,39,6.472401,52,7.16,60,7.39,75,7.78,90,8.07,110,8.51,120,8.83,135,8.59,150,8.11,180,7.61

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.77	5.08	5.32	5.27	5.31	5.15	4.67	3.95
8	5.65	5.97	6.25	6.3	6.43	6.27	5.73	4.99
10	6.35	6.62	6.82	6.97	7.07	6.98	6.63	5.89
12	6.78	6.97	7.13	7.31	7.43	7.37	7.13	6.67
14	7.01	7.18	7.35	7.48	7.77	7.71	7.46	7.12
16	7.12	7.31	7.53	7.63	8.1	8.08	7.81	7.44
20	7.16	7.39	7.78	8.07	8.51	8.83	8.59	8.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.08	146°	3.42
8	42°	3.73	150°	4.32
10	41.8°	4.23	152°	5.11
12	40.9°	4.66	156°	5.84
14	39.4°	4.92	174°	6.47
16	39°	5.02	180°	6.98
20	39°	5.03	180°	7.61

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