IRISH-MIST — ORC Rating

GPH

604.2

OSN

587.2

LOA

12.029 m

Displacement

6582 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7585

Medium

1.0254

High

1.1775

Triple Offshore

Low

0.9782

Medium

1.261

High

1.4032

Boat Specifications

Dimensions

Length overall: 12.029 m
Beam: 3.62 m
Draft: 2.14 m
Displacement: 6582 kg
Crew weight: 620 kg
Wetted surface: 30.87 m²

Sails

Mainsail: 37.42 m²
Genoa: 49.58 m²
Spinnaker: 112.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: Lightwave 395
Builder: Oyster Mar.
Designer: C.Schumacher
Year built: 1987

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.

6,42.5,4.909957,52,5.51,60,5.82,75,6.06,90,5.99,110,5.73,120,5.59,135,5.06,144.5,4.54481,150,4.27
8,41.2,5.834547,52,6.55,60,6.83,75,7.03,90,6.99,110,6.96,120,6.82,135,6.26,148.7,5.465448,150,5.39
10,40.4,6.460607,52,7.16,60,7.35,75,7.5,90,7.5,110,7.61,120,7.54,135,7.19,149.9,6.391945,150,6.39
12,39.2,6.671446,52,7.38,60,7.57,75,7.76,90,7.81,110,7.98,120,7.96,135,7.7,150,7.2,155.3,6.934445
14,38.5,6.759449,52,7.48,60,7.67,75,7.94,90,8.06,110,8.26,120,8.38,135,8.11,150,7.67,169,7.04952
16,38.1,6.811236,52,7.52,60,7.73,75,8.05,90,8.3,110,8.46,120,8.77,135,8.57,150,8.05,180,7.46
20,37.8,6.872069,52,7.57,60,7.76,75,8.16,90,8.64,110,8.86,120,9.27,135,9.56,150,8.92,180,8.21

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.51	5.82	6.06	5.99	5.73	5.59	5.06	4.27
8	6.55	6.83	7.03	6.99	6.96	6.82	6.26	5.39
10	7.16	7.35	7.5	7.5	7.61	7.54	7.19	6.39
12	7.38	7.57	7.76	7.81	7.98	7.96	7.7	7.2
14	7.48	7.67	7.94	8.06	8.26	8.38	8.11	7.67
16	7.52	7.73	8.05	8.3	8.46	8.77	8.57	8.05
20	7.57	7.76	8.16	8.64	8.86	9.27	9.56	8.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.62	144.5°	3.7
8	41.2°	4.39	148.7°	4.67
10	40.4°	4.92	149.9°	5.53
12	39.2°	5.17	155.3°	6.3
14	38.5°	5.29	169°	6.92
16	38.1°	5.36	180°	7.46
20	37.8°	5.43	180°	8.21

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