SOTTO VUOTO — ORC Rating

GPH

662.3

OSN

640.3

LOA

10.3 m

Displacement

5352 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6768

Medium

0.9377

High

1.1016

Triple Offshore

Low

0.8728

Medium

1.158

High

1.3133

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.96 m
Displacement: 5352 kg
Crew weight: 525 kg
Wetted surface: 25.37 m²

Sails

Mainsail: 29.93 m²
Genoa: 32.9 m²
Spinnaker: 72.17 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
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.

6,43.1,4.327805,52,4.83,60,5.1,75,5.31,90,5.25,110,5.22,120,5.07,135,4.6,146.4,4.046001,150,3.89
8,41.4,5.105911,52,5.75,60,6.04,75,6.28,90,6.24,110,6.36,120,6.19,135,5.66,150,4.94,150.4,4.922398
10,41.2,5.794675,52,6.48,60,6.71,75,6.88,90,6.96,110,7.05,120,6.95,135,6.57,150,5.85,151.7,5.75824
12,40.2,6.245123,52,6.87,60,7.05,75,7.19,90,7.31,110,7.42,120,7.35,135,7.1,150,6.63,156,6.34889
14,39.1,6.417142,52,7.06,60,7.23,75,7.41,90,7.49,110,7.76,120,7.7,135,7.45,150,7.1,173.1,6.47691
16,38.6,6.474558,52,7.14,60,7.34,75,7.59,90,7.68,110,8.11,120,8.08,135,7.79,150,7.42,180,6.95
20,38.8,6.505522,52,7.18,60,7.4,75,7.79,90,8.12,110,8.52,120,8.84,135,8.58,150,8.1,180,7.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.1	5.31	5.25	5.22	5.07	4.6	3.89
8	5.75	6.04	6.28	6.24	6.36	6.19	5.66	4.94
10	6.48	6.71	6.88	6.96	7.05	6.95	6.57	5.85
12	6.87	7.05	7.19	7.31	7.42	7.35	7.1	6.63
14	7.06	7.23	7.41	7.49	7.76	7.7	7.45	7.1
16	7.14	7.34	7.59	7.68	8.11	8.08	7.79	7.42
20	7.18	7.4	7.79	8.12	8.52	8.84	8.58	8.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.16	146.4°	3.37
8	41.4°	3.83	150.4°	4.28
10	41.2°	4.36	151.7°	5.07
12	40.2°	4.77	156°	5.8
14	39.1°	4.98	173.1°	6.43
16	38.6°	5.06	180°	6.95
20	38.8°	5.07	180°	7.59

Loading polar chart…