Marathi — ORC Rating | RegattaPages

GPH

663.4

OSN

641.5

LOA

10.3 m

Displacement

5231 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5971

Medium

0.8309

High

0.9779

Triple Offshore

Low

0.7744

Medium

1.028

High

1.1669

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.93 m
Displacement: 5231 kg
Crew weight: 620 kg
Wetted surface: 24.95 m²

Sails

Mainsail: 32.45 m²
Genoa: 25.93 m²
Spinnaker: 77.94 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dufour 34 Standard
Builder: Dufour
Designer: Umberto Felici
Year built: 2002
Stability index: 116.1

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.

6,43.8,4.239635,52,4.74,60,5.04,75,5.26,90,5.28,110,5.35,120,5.2,135,4.71,145.7,4.152048,150,3.96
8,42.4,5.037542,52,5.66,60,5.97,75,6.23,90,6.37,110,6.5,120,6.34,135,5.8,150,5.03,150.2,5.024399
10,42,5.705483,52,6.36,60,6.62,75,6.82,90,7.02,110,7.12,120,7.04,135,6.69,150,5.98,151.1,5.916859
12,40.8,6.169129,52,6.8,60,6.98,75,7.13,90,7.34,110,7.49,120,7.43,135,7.18,150,6.75,156.8,6.451716
14,39.6,6.385354,52,7.02,60,7.19,75,7.36,90,7.49,110,7.85,120,7.8,135,7.54,150,7.19,168.2,6.670975
16,39,6.446665,52,7.12,60,7.32,75,7.56,90,7.65,110,8.18,120,8.2,135,7.92,150,7.52,177.2,7.028391
20,40,6.553145,52,7.17,60,7.4,75,7.81,90,8.13,110,8.55,120,8.94,135,8.77,150,8.26,179,7.671168

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5.04	5.26	5.28	5.35	5.2	4.71	3.96
8	5.66	5.97	6.23	6.37	6.5	6.34	5.8	5.03
10	6.36	6.62	6.82	7.02	7.12	7.04	6.69	5.98
12	6.8	6.98	7.13	7.34	7.49	7.43	7.18	6.75
14	7.02	7.19	7.36	7.49	7.85	7.8	7.54	7.19
16	7.12	7.32	7.56	7.65	8.18	8.2	7.92	7.52
20	7.17	7.4	7.81	8.13	8.55	8.94	8.77	8.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.06	145.7°	3.43
8	42.4°	3.72	150.2°	4.36
10	42°	4.24	151.1°	5.18
12	40.8°	4.67	156.8°	5.93
14	39.6°	4.92	168.2°	6.53
16	39°	5.01	177.2°	7.02
20	40°	5.02	179°	7.67

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