BLUE FLASH — ORC Rating

GPH

604.6

OSN

587

LOA

10.57 m

Displacement

3950 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.679

Medium

0.9083

High

1.0248

Triple Offshore

Low

0.874

Medium

1.1176

High

1.2481

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.34 m
Draft: 2.01 m
Displacement: 3950 kg
Crew weight: 365 kg
Wetted surface: 23.98 m²

Sails

Mainsail: 34.14 m²
Genoa: 34.37 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 106.89 m²

Design

Type: J 105
Builder: TPI
Designer: Johnstone
Year built: 1991
Stability index: 119

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.

6,42.6,4.91783,52,5.5,60,5.77,75,5.95,90,6.06,110,5.88,120,5.73,135,5.09,143.3,4.652174,150,4.3
8,40.6,5.821371,52,6.49,60,6.7,75,6.84,90,7.01,110,6.99,120,6.9,135,6.39,147.5,5.620166,150,5.48
10,38.8,6.313051,52,6.99,60,7.16,75,7.29,90,7.5,110,7.57,120,7.54,135,7.24,148,6.615191,150,6.48
12,37.6,6.500148,52,7.22,60,7.4,75,7.6,90,7.85,110,8,120,8.06,135,7.81,150,7.2,150.1,7.186554
14,37.2,6.616198,52,7.33,60,7.53,75,7.83,90,8.09,110,8.37,120,8.55,135,8.37,148.9,7.707875,150,7.62
16,37,6.698926,52,7.41,60,7.63,75,7.98,90,8.27,110,8.8,120,9.02,135,8.98,150,8.02,173,7.052569
20,37,6.761533,52,7.49,60,7.74,75,8.18,90,8.64,110,9.63,120,9.87,135,10.76,142.3,10.110923,150,9.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.5	5.77	5.95	6.06	5.88	5.73	5.09	4.3
8	6.49	6.7	6.84	7.01	6.99	6.9	6.39	5.48
10	6.99	7.16	7.29	7.5	7.57	7.54	7.24	6.48
12	7.22	7.4	7.6	7.85	8	8.06	7.81	7.2
14	7.33	7.53	7.83	8.09	8.37	8.55	8.37	7.62
16	7.41	7.63	7.98	8.27	8.8	9.02	8.98	8.02
20	7.49	7.74	8.18	8.64	9.63	9.87	10.76	9.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.62	143.3°	3.73
8	40.6°	4.42	147.5°	4.74
10	38.8°	4.92	148°	5.61
12	37.6°	5.15	150.1°	6.23
14	37.2°	5.27	148.9°	6.6
16	37°	5.35	173°	7
20	37°	5.4	142.3°	8

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