Mikaku — ORC Rating | RegattaPages

GPH

660.6

OSN

644.1

LOA

8.032 m

Displacement

1437 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6378

Medium

0.8216

High

0.9339

Triple Offshore

Low

0.8161

Medium

1.0122

High

1.135

Boat Specifications

Dimensions

Length overall: 8.032 m
Beam: 2.49 m
Draft: 1.5 m
Displacement: 1437 kg
Crew weight: 250 kg
Wetted surface: 12.6 m²

Sails

Mainsail: 21.53 m²
Genoa: 13.98 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 64.99 m²

Design

Type: J-80
Designer: JOHNSTONE
Year built: 1995
Stability index: 109.9

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.

6,43,4.416468,52,4.93,60,5.23,75,5.47,90,5.59,110,5.73,120,5.61,135,5.05,144.7,4.558055,150,4.3
8,41.8,5.285214,52,5.86,60,6.06,75,6.2,90,6.26,110,6.51,120,6.47,135,6.16,147.8,5.54247,150,5.42
10,39.9,5.631121,52,6.21,60,6.38,75,6.56,90,6.6,110,6.96,120,7.08,135,6.81,150,6.22,150.9,6.168656
12,39.4,5.732894,52,6.31,60,6.52,75,6.86,90,7.01,110,7.29,120,7.6,135,7.49,149.2,6.822204,150,6.77
14,39.6,5.775371,52,6.36,60,6.59,75,7.04,90,7.38,110,7.61,120,8.02,135,8.29,146.6,7.594198,150,7.32
16,39.3,5.853922,52,6.41,60,6.63,75,7.14,90,7.66,110,7.91,120,8.42,135,9.22,144.4,8.584422,150,8.06
20,40.6,5.887224,52,6.46,60,6.76,75,7.31,90,7.93,110,8.62,120,9.24,135,10.75,143.8,11.35124,150,10.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.93	5.23	5.47	5.59	5.73	5.61	5.05	4.3
8	5.86	6.06	6.2	6.26	6.51	6.47	6.16	5.42
10	6.21	6.38	6.56	6.6	6.96	7.08	6.81	6.22
12	6.31	6.52	6.86	7.01	7.29	7.6	7.49	6.77
14	6.36	6.59	7.04	7.38	7.61	8.02	8.29	7.32
16	6.41	6.63	7.14	7.66	7.91	8.42	9.22	8.06
20	6.46	6.76	7.31	7.93	8.62	9.24	10.75	10.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.23	144.7°	3.72
8	41.8°	3.94	147.8°	4.69
10	39.9°	4.32	150.9°	5.39
12	39.4°	4.43	149.2°	5.86
14	39.6°	4.45	146.6°	6.34
16	39.3°	4.53	144.4°	6.98
20	40.6°	4.47	143.8°	9.16

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