JJFLASH — ORC Rating | RegattaPages

GPH

603.8

OSN

590.6

LOA

10.75 m

Displacement

4798 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7703

Medium

1.014

High

1.1348

Triple Offshore

Low

0.9981

Medium

1.2523

High

1.3791

Boat Specifications

Dimensions

Length overall: 10.75 m
Beam: 3.52 m
Draft: 2.12 m
Displacement: 4798 kg
Crew weight: 628 kg
Wetted surface: 25.77 m²

Sails

Mainsail: 38.62 m²
Genoa: 44.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 107.94 m²

Design

Type: J/109
Builder: J Composite
Designer: Alan Johnstone
Year built: 2001

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.

6,42.4,4.956292,52,5.55,60,5.85,75,6.31,90,6.5,110,6,120,5.75,135,5.16,144.5,4.655359,150,4.38
8,41.5,5.90155,52,6.57,60,6.81,75,7.13,90,7.24,110,7.02,120,6.9,135,6.38,148,5.601097,150,5.49
10,39.8,6.39087,52,7.04,60,7.21,75,7.44,90,7.61,110,7.54,120,7.47,135,7.17,148.7,6.553856,150,6.46
12,38.6,6.538536,52,7.2,60,7.39,75,7.61,90,7.93,110,7.96,120,7.94,135,7.62,150,7.1,150.5,7.066077
14,38.4,6.635247,52,7.28,60,7.48,75,7.79,90,8.17,110,8.38,120,8.44,135,8.1,150,7.45,161.5,6.864745
16,38.4,6.673528,52,7.32,60,7.53,75,7.91,90,8.32,110,8.77,120,8.89,135,8.63,150,7.77,178.5,7.052417
20,38.3,6.740774,52,7.37,60,7.55,75,8.01,90,8.56,110,9.28,120,9.67,135,9.93,150,8.64,179,7.771184

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.55	5.85	6.31	6.5	6	5.75	5.16	4.38
8	6.57	6.81	7.13	7.24	7.02	6.9	6.38	5.49
10	7.04	7.21	7.44	7.61	7.54	7.47	7.17	6.46
12	7.2	7.39	7.61	7.93	7.96	7.94	7.62	7.1
14	7.28	7.48	7.79	8.17	8.38	8.44	8.1	7.45
16	7.32	7.53	7.91	8.32	8.77	8.89	8.63	7.77
20	7.37	7.55	8.01	8.56	9.28	9.67	9.93	8.64

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.66	144.5°	3.79
8	41.5°	4.42	148°	4.75
10	39.8°	4.91	148.7°	5.6
12	38.6°	5.11	150.5°	6.15
14	38.4°	5.2	161.5°	6.51
16	38.4°	5.23	178.5°	7.05
20	38.3°	5.29	179°	7.77

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