TATAN — ORC Rating | RegattaPages

GPH

658.8

OSN

638.7

LOA

10.3 m

Displacement

5148 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6831

Medium

0.9334

High

1.0854

Triple Offshore

Low

0.8831

Medium

1.1623

High

1.3094

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.95 m
Displacement: 5148 kg
Crew weight: 420 kg
Wetted surface: 24.9 m²

Sails

Mainsail: 31.88 m²
Genoa: 30.21 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 72.07 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: Felci Yachts
Year built: 2002

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.

6,43.1,4.368892,52,4.87,60,5.15,75,5.37,90,5.32,110,5.34,120,5.17,135,4.64,145.8,4.122936,150,3.94
8,41.5,5.153843,52,5.81,60,6.11,75,6.36,90,6.43,110,6.48,120,6.28,135,5.72,147.6,5.092808,150,4.97
10,41.5,5.888199,52,6.54,60,6.77,75,6.93,90,7.07,110,7.12,120,7,135,6.62,147.2,6.007852,150,5.83
12,39.9,6.282871,52,6.92,60,7.09,75,7.23,90,7.4,110,7.49,120,7.4,135,7.13,148.3,6.640722,150,6.53
14,38.8,6.441365,52,7.1,60,7.28,75,7.46,90,7.58,110,7.84,120,7.76,135,7.48,150,6.97,174.2,6.091183
16,38.8,6.544016,52,7.18,60,7.38,75,7.65,90,7.75,110,8.21,120,8.16,135,7.84,150,7.27,176.4,6.663148
20,39.3,6.590508,52,7.22,60,7.45,75,7.87,90,8.21,110,8.64,120,8.98,135,8.64,150,7.81,178.4,7.352867

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.87	5.15	5.37	5.32	5.34	5.17	4.64	3.94
8	5.81	6.11	6.36	6.43	6.48	6.28	5.72	4.97
10	6.54	6.77	6.93	7.07	7.12	7	6.62	5.83
12	6.92	7.09	7.23	7.4	7.49	7.4	7.13	6.53
14	7.1	7.28	7.46	7.58	7.84	7.76	7.48	6.97
16	7.18	7.38	7.65	7.75	8.21	8.16	7.84	7.27
20	7.22	7.45	7.87	8.21	8.64	8.98	8.64	7.81

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.19	145.8°	3.41
8	41.5°	3.86	147.6°	4.3
10	41.5°	4.41	147.2°	5.05
12	39.9°	4.82	148.3°	5.65
14	38.8°	5.02	174.2°	6.06
16	38.8°	5.1	176.4°	6.65
20	39.3°	5.1	178.4°	7.35

Loading polar chart…