Josin — ORC Rating | RegattaPages

GPH

759.1

OSN

735.8

LOA

9.18 m

Displacement

3561 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5921

Medium

0.81

High

0.965

Triple Offshore

Low

0.7642

Medium

1.0069

High

1.1533

Boat Specifications

Dimensions

Length overall: 9.18 m
Beam: 2.94 m
Draft: 1.57 m
Displacement: 3561 kg
Crew weight: 425 kg
Wetted surface: 18.36 m²

Sails

Mainsail: 18.05 m²
Genoa: 18.89 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 62.83 m²

Design

Type: BALLAD
Designer: Rolf Magnusson
Year built: 1971

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.

6,43.2,3.580401,52,3.98,60,4.19,75,4.41,90,4.73,110,4.84,120,4.67,135,4.26,148.1,3.745708,150,3.67
8,41.7,4.218911,52,4.71,60,4.95,75,5.28,90,5.74,110,5.84,120,5.7,135,5.22,150,4.59,151.8,4.516038
10,41.8,4.73523,52,5.33,60,5.61,75,5.91,90,6.27,110,6.34,120,6.27,135,6.01,150,5.43,151.3,5.369687
12,42.6,5.271044,52,5.81,60,6.01,75,6.19,90,6.54,110,6.67,120,6.61,135,6.4,150,6.07,160.1,5.711015
14,41.4,5.545845,52,6.07,60,6.24,75,6.38,90,6.67,110,6.98,120,6.94,135,6.72,150,6.42,180,5.94
16,41,5.724056,52,6.22,60,6.39,75,6.57,90,6.78,110,7.25,120,7.27,135,7.05,150,6.7,180,6.32
20,41.2,5.807966,52,6.33,60,6.56,75,6.87,90,7.02,110,7.52,120,7.76,135,7.66,150,7.3,180,6.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.98	4.19	4.41	4.73	4.84	4.67	4.26	3.67
8	4.71	4.95	5.28	5.74	5.84	5.7	5.22	4.59
10	5.33	5.61	5.91	6.27	6.34	6.27	6.01	5.43
12	5.81	6.01	6.19	6.54	6.67	6.61	6.4	6.07
14	6.07	6.24	6.38	6.67	6.98	6.94	6.72	6.42
16	6.22	6.39	6.57	6.78	7.25	7.27	7.05	6.7
20	6.33	6.56	6.87	7.02	7.52	7.76	7.66	7.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.61	148.1°	3.18
8	41.7°	3.15	151.8°	3.98
10	41.8°	3.53	151.3°	4.71
12	42.6°	3.88	160.1°	5.37
14	41.4°	4.16	180°	5.94
16	41°	4.32	180°	6.32
20	41.2°	4.37	180°	6.88

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