JACK FLASH — ORC Rating

GPH

652.4

OSN

637.1

LOA

9.12 m

Displacement

2639 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6385

Medium

0.8335

High

0.9263

Triple Offshore

Low

0.8225

Medium

1.0309

High

1.1325

Boat Specifications

Dimensions

Length overall: 9.12 m
Beam: 3.04 m
Draft: 1.75 m
Displacement: 2639 kg
Crew weight: 360 kg
Wetted surface: 18.13 m²

Sails

Mainsail: 29.97 m²
Genoa: 26.75 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 75.04 m²

Design

Type: J-92
Builder: J-COMPOSITES
Designer: JOHNSTONE
Year built: 1991

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.

6,42.8,4.538455,52,5.1,60,5.39,75,5.64,90,5.58,110,5.63,120,5.48,135,4.92,144.5,4.43426,150,4.16
8,41.6,5.4159,52,6.07,60,6.31,75,6.48,90,6.52,110,6.64,120,6.54,135,6.09,147.5,5.383028,150,5.25
10,40.5,5.838986,52,6.49,60,6.68,75,6.85,90,6.87,110,7.12,120,7.07,135,6.78,149,6.229822,150,6.16
12,39.8,5.974357,52,6.62,60,6.82,75,7.09,90,7.19,110,7.5,120,7.58,135,7.26,150,6.7,150.8,6.655806
14,39.4,6.017598,52,6.68,60,6.89,75,7.24,90,7.48,110,7.77,120,8.06,135,7.8,150,7.06,175,6.273874
16,39.8,6.078485,52,6.71,60,6.93,75,7.33,90,7.72,110,8.02,120,8.4,135,8.38,150,7.43,177.5,6.736412
20,40.5,6.167758,52,6.78,60,7.02,75,7.39,90,7.94,110,8.48,120,9.07,135,10.01,150,8.55,177,7.490265

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.1	5.39	5.64	5.58	5.63	5.48	4.92	4.16
8	6.07	6.31	6.48	6.52	6.64	6.54	6.09	5.25
10	6.49	6.68	6.85	6.87	7.12	7.07	6.78	6.16
12	6.62	6.82	7.09	7.19	7.5	7.58	7.26	6.7
14	6.68	6.89	7.24	7.48	7.77	8.06	7.8	7.06
16	6.71	6.93	7.33	7.72	8.02	8.4	8.38	7.43
20	6.78	7.02	7.39	7.94	8.48	9.07	10.01	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.33	144.5°	3.61
8	41.6°	4.05	147.5°	4.54
10	40.5°	4.44	149°	5.34
12	39.8°	4.59	150.8°	5.81
14	39.4°	4.65	175°	6.25
16	39.8°	4.67	177.5°	6.73
20	40.5°	4.69	177°	7.48

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