MI-2 — ORC Rating | RegattaPages

GPH

619.5

OSN

604.7

LOA

8.96 m

Displacement

2390 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6608

Medium

0.8794

High

1.0035

Triple Offshore

Low

0.8575

Medium

1.0858

High

1.2241

Boat Specifications

Dimensions

Length overall: 8.96 m
Beam: 2.85 m
Draft: 1.96 m
Displacement: 2390 kg
Crew weight: 450 kg
Wetted surface: 17.96 m²

Sails

Mainsail: 27.56 m²
Genoa: 20.92 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 94 m²

Design

Type: J-88
Builder: J Boats
Designer: Johnstone
Year built: 2014
Stability index: 117.8

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.

6,42.6,4.605371,52,5.16,60,5.53,75,6.03,90,6.23,110,6.01,120,5.83,135,5.17,144.2,4.672875,150,4.38
8,41.4,5.532514,52,6.18,60,6.41,75,6.77,90,6.95,110,6.91,120,6.85,135,6.47,146.9,5.71791,150,5.53
10,39.4,6.069362,52,6.67,60,6.84,75,7.03,90,7.36,110,7.4,120,7.45,135,7.15,149.2,6.554439,150,6.5
12,38.2,6.197057,52,6.84,60,7.04,75,7.3,90,7.64,110,7.98,120,8.05,135,7.82,150,7.09,150.5,7.066077
14,37.8,6.251938,52,6.91,60,7.14,75,7.55,90,7.89,110,8.52,120,8.49,135,8.6,146.8,7.875575,150,7.61
16,37.8,6.302561,52,6.95,60,7.19,75,7.69,90,8.14,110,8.94,120,9.13,135,9.51,144.4,8.830394,150,8.29
20,38,6.408542,52,7.07,60,7.35,75,7.8,90,8.55,110,9.63,120,10.34,135,11.13,142.3,11.349511,150,10.36

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.53	6.03	6.23	6.01	5.83	5.17	4.38
8	6.18	6.41	6.77	6.95	6.91	6.85	6.47	5.53
10	6.67	6.84	7.03	7.36	7.4	7.45	7.15	6.5
12	6.84	7.04	7.3	7.64	7.98	8.05	7.82	7.09
14	6.91	7.14	7.55	7.89	8.52	8.49	8.6	7.61
16	6.95	7.19	7.69	8.14	8.94	9.13	9.51	8.29
20	7.07	7.35	7.8	8.55	9.63	10.34	11.13	10.36

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.39	144.2°	3.79
8	41.4°	4.15	146.9°	4.79
10	39.4°	4.69	149.2°	5.63
12	38.2°	4.87	150.5°	6.15
14	37.8°	4.94	146.8°	6.59
16	37.8°	4.98	144.4°	7.18
20	38°	5.05	142.3°	8.98

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