RAYGRASS III — ORC Rating

GPH

663.5

OSN

640.9

LOA

10.3 m

Displacement

5683 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.603

Medium

0.8338

High

0.9714

Triple Offshore

Low

0.7777

Medium

1.0273

High

1.1574

Boat Specifications

Dimensions

Length overall: 10.3 m
Beam: 3.48 m
Draft: 1.95 m
Displacement: 5683 kg
Crew weight: 500 kg
Wetted surface: 25.53 m²

Sails

Mainsail: 31.53 m²
Genoa: 28.59 m²
Spinnaker: 71.98 m²
Asymmetric spinnaker: 0 m²

Design

Type: DUFOUR 34
Builder: DUFOUR
Designer: Felci Yachts
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.

6,44.2,4.435699,52,4.89,60,5.16,75,5.33,90,5.22,110,5.25,120,5.08,135,4.57,144.8,4.075165,150,3.85
8,41.9,5.226306,52,5.8,60,6.06,75,6.25,90,6.24,110,6.37,120,6.21,135,5.68,149.2,4.98277,150,4.94
10,40.5,5.773232,52,6.43,60,6.64,75,6.81,90,6.9,110,7.03,120,6.94,135,6.55,150,5.87,152.3,5.748855
12,39.5,6.155843,52,6.81,60,6.98,75,7.14,90,7.25,110,7.43,120,7.37,135,7.09,150,6.61,156.9,6.305571
14,38.9,6.321932,52,7,60,7.18,75,7.37,90,7.43,110,7.75,120,7.72,135,7.47,150,7.11,167.8,6.558109
16,38.6,6.384989,52,7.08,60,7.29,75,7.54,90,7.65,110,8.03,120,8.06,135,7.83,150,7.46,177.2,6.928271
20,38.8,6.441365,52,7.14,60,7.37,75,7.74,90,8.02,110,8.38,120,8.67,135,8.55,150,8.13,178.8,7.611669
24,39.9,6.426256,52,7.13,60,7.38,75,7.82,90,8.25,110,8.62,120,9.08,135,9.39,150,8.86,178.6,8.24246

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.16	5.33	5.22	5.25	5.08	4.57	3.85
8	5.8	6.06	6.25	6.24	6.37	6.21	5.68	4.94
10	6.43	6.64	6.81	6.9	7.03	6.94	6.55	5.87
12	6.81	6.98	7.14	7.25	7.43	7.37	7.09	6.61
14	7	7.18	7.37	7.43	7.75	7.72	7.47	7.11
16	7.08	7.29	7.54	7.65	8.03	8.06	7.83	7.46
20	7.14	7.37	7.74	8.02	8.38	8.67	8.55	8.13
24	7.13	7.38	7.82	8.25	8.62	9.08	9.39	8.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.18	144.8°	3.33
8	41.9°	3.89	149.2°	4.28
10	40.5°	4.39	152.3°	5.09
12	39.5°	4.75	156.9°	5.8
14	38.9°	4.92	167.8°	6.41
16	38.6°	4.99	177.2°	6.92
20	38.8°	5.02	178.8°	7.61
24	39.9°	4.93	178.6°	8.24

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