VIVA — ORC Rating | RegattaPages

GPH

642.5

OSN

626.4

LOA

10.3 m

Displacement

5628 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7185

Medium

0.9562

High

1.0859

Triple Offshore

Low

0.9257

Medium

1.1834

High

1.3051

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.97 m
Displacement: 5628 kg
Crew weight: 400 kg
Wetted surface: 25.84 m²

Sails

Mainsail: 35.94 m²
Genoa: 36.9 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 87.61 m²

Design

Type: DUFOUR 34 PERF.
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.

6,42.4,4.631289,52,5.18,60,5.44,75,5.65,90,5.59,110,5.55,120,5.37,135,4.82,145.4,4.300624,150,4.09
8,41,5.432553,52,6.12,60,6.4,75,6.59,90,6.59,110,6.67,120,6.51,135,5.93,147.9,5.241276,150,5.13
10,41,6.06856,52,6.71,60,6.9,75,7.05,90,7.12,110,7.22,120,7.13,135,6.81,147.1,6.24092,150,6.05
12,39.8,6.299758,52,6.95,60,7.13,75,7.29,90,7.34,110,7.56,120,7.5,135,7.25,149.2,6.775636,150,6.72
14,39.1,6.39137,52,7.05,60,7.23,75,7.47,90,7.57,110,7.88,120,7.86,135,7.59,150,7.1,174.2,6.252006
16,38.6,6.423376,52,7.09,60,7.29,75,7.57,90,7.78,110,8.09,120,8.25,135,7.97,150,7.37,176.8,6.800604
20,38.6,6.448967,52,7.11,60,7.32,75,7.68,90,8.1,110,8.43,120,8.8,135,8.79,150,7.93,178.4,7.432898

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.44	5.65	5.59	5.55	5.37	4.82	4.09
8	6.12	6.4	6.59	6.59	6.67	6.51	5.93	5.13
10	6.71	6.9	7.05	7.12	7.22	7.13	6.81	6.05
12	6.95	7.13	7.29	7.34	7.56	7.5	7.25	6.72
14	7.05	7.23	7.47	7.57	7.88	7.86	7.59	7.1
16	7.09	7.29	7.57	7.78	8.09	8.25	7.97	7.37
20	7.11	7.32	7.68	8.1	8.43	8.8	8.79	7.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.42	145.4°	3.54
8	41°	4.1	147.9°	4.44
10	41°	4.58	147.1°	5.24
12	39.8°	4.84	149.2°	5.82
14	39.1°	4.96	174.2°	6.22
16	38.6°	5.02	176.8°	6.79
20	38.6°	5.04	178.4°	7.43

Loading polar chart…