NAHELA — ORC Rating | RegattaPages

GPH

669.7

OSN

649.1

LOA

9.585 m

Displacement

4727 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6032

Medium

0.8257

High

0.9555

Triple Offshore

Low

0.7767

Medium

1.0142

High

1.1368

Boat Specifications

Dimensions

Length overall: 9.585 m
Beam: 3.26 m
Draft: 2.01 m
Displacement: 4727 kg
Crew weight: 500 kg
Wetted surface: 23.77 m²

Sails

Mainsail: 29.34 m²
Genoa: 27.94 m²
Spinnaker: 66.58 m²
Asymmetric spinnaker: 0 m²

Design

Type: RO 340
Builder: MOA
Designer: RONAUTICA
Year built: 1997

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.

6,42.8,4.33402,52,4.85,60,5.12,75,5.32,90,5.26,110,5.24,120,5.08,135,4.6,146,4.089079,150,3.91
8,40.7,5.051875,52,5.72,60,6.01,75,6.24,90,6.23,110,6.34,120,6.19,135,5.64,150,4.94,151,4.893555
10,40.5,5.707478,52,6.37,60,6.57,75,6.72,90,6.83,110,6.92,120,6.84,135,6.5,150,5.82,152,5.719479
12,39.4,6.082303,52,6.69,60,6.85,75,6.99,90,7.12,110,7.26,120,7.21,135,6.96,150,6.55,158,6.21236
14,38.6,6.205852,52,6.85,60,7.01,75,7.19,90,7.26,110,7.59,120,7.55,135,7.3,150,6.97,180,6.39
16,38.2,6.247957,52,6.91,60,7.1,75,7.36,90,7.49,110,7.89,120,7.91,135,7.65,150,7.28,180,6.85
20,39,6.279387,52,6.93,60,7.14,75,7.53,90,7.89,110,8.22,120,8.56,135,8.43,150,7.97,180,7.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.12	5.32	5.26	5.24	5.08	4.6	3.91
8	5.72	6.01	6.24	6.23	6.34	6.19	5.64	4.94
10	6.37	6.57	6.72	6.83	6.92	6.84	6.5	5.82
12	6.69	6.85	6.99	7.12	7.26	7.21	6.96	6.55
14	6.85	7.01	7.19	7.26	7.59	7.55	7.3	6.97
16	6.91	7.1	7.36	7.49	7.89	7.91	7.65	7.28
20	6.93	7.14	7.53	7.89	8.22	8.56	8.43	7.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.18	146°	3.39
8	40.7°	3.83	151°	4.28
10	40.5°	4.34	152°	5.05
12	39.4°	4.7	158°	5.76
14	38.6°	4.85	180°	6.39
16	38.2°	4.91	180°	6.85
20	39°	4.88	180°	7.47

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