Najaden — ORC Rating | RegattaPages

GPH

690.7

OSN

671.1

LOA

10.5 m

Displacement

4693 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5905

Medium

0.7987

High

0.9166

Triple Offshore

Low

0.7616

Medium

0.9811

High

1.086

Boat Specifications

Dimensions

Length overall: 10.5 m
Beam: 2.7 m
Draft: 1.79 m
Displacement: 4693 kg
Crew weight: 533 kg
Wetted surface: 22.05 m²

Sails

Mainsail: 32.91 m²
Genoa: 20.07 m²
Spinnaker: 60.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: Rhapsody 34
Builder: Dahlstrøm båt
Designer: Göran Dahlström
Year built: 1976
Stability index: 133.9

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.

6,42.6,4.211401,52,4.71,60,4.96,75,5.13,90,5.23,110,5.22,120,5.03,135,4.52,145.7,4.018892,150,3.83
8,40.6,4.925775,52,5.57,60,5.84,75,6.05,90,6.23,110,6.29,120,6.12,135,5.55,150,4.84,151.4,4.783692
10,40.6,5.518449,52,6.17,60,6.37,75,6.51,90,6.68,110,6.77,120,6.69,135,6.38,150,5.73,152,5.628873
12,40.6,5.834542,52,6.42,60,6.6,75,6.76,90,6.84,110,7.07,120,7.01,135,6.79,150,6.43,159.2,6.097393
14,40,5.913495,52,6.52,60,6.71,75,6.92,90,7.02,110,7.31,120,7.32,135,7.1,150,6.81,174.8,6.315994
16,39.9,5.983066,52,6.57,60,6.77,75,7.03,90,7.2,110,7.48,120,7.64,135,7.44,150,7.1,179,6.711022
20,39.4,6.095244,52,6.65,60,6.81,75,7.15,90,7.49,110,7.75,120,8.03,135,8.16,150,7.77,179,7.29111

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.71	4.96	5.13	5.23	5.22	5.03	4.52	3.83
8	5.57	5.84	6.05	6.23	6.29	6.12	5.55	4.84
10	6.17	6.37	6.51	6.68	6.77	6.69	6.38	5.73
12	6.42	6.6	6.76	6.84	7.07	7.01	6.79	6.43
14	6.52	6.71	6.92	7.02	7.31	7.32	7.1	6.81
16	6.57	6.77	7.03	7.2	7.48	7.64	7.44	7.1
20	6.65	6.81	7.15	7.49	7.75	8.03	8.16	7.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.1	145.7°	3.32
8	40.6°	3.74	151.4°	4.2
10	40.6°	4.19	152°	4.97
12	40.6°	4.43	159.2°	5.7
14	40°	4.53	174.8°	6.29
16	39.9°	4.59	179°	6.71
20	39.4°	4.71	179°	7.29

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