J BLU — ORC Rating | RegattaPages

GPH

637.3

OSN

622.1

LOA

9.14 m

Displacement

2839 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.657

Medium

0.8605

High

0.9629

Triple Offshore

Low

0.843

Medium

1.0523

High

1.1668

Boat Specifications

Dimensions

Length overall: 9.14 m
Beam: 3.04 m
Draft: 1.83 m
Displacement: 2839 kg
Crew weight: 500 kg
Wetted surface: 19.07 m²

Sails

Mainsail: 29.47 m²
Genoa: 23.47 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 91.88 m²

Design

Type: J-92 S
Builder: J-Boats
Designer: Johnstone
Year built: 1992

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.

6,42,4.575151,52,5.17,60,5.45,75,5.66,90,5.78,110,5.88,120,5.74,135,5.15,144.5,4.643076,150,4.37
8,40.9,5.424332,52,6.07,60,6.29,75,6.44,90,6.62,110,6.74,120,6.66,135,6.28,148,5.55393,150,5.44
10,39,5.944829,52,6.54,60,6.69,75,6.81,90,6.9,110,7.2,120,7.16,135,6.87,149.5,6.336833,150,6.31
12,37.7,6.10447,52,6.73,60,6.9,75,7.09,90,7.14,110,7.58,120,7.68,135,7.35,150,6.78,151.5,6.702191
14,37.5,6.176315,52,6.81,60,7,75,7.32,90,7.47,110,7.85,120,8.17,135,7.91,150,7.12,175.5,6.349574
16,37.5,6.214129,52,6.84,60,7.06,75,7.48,90,7.78,110,8.12,120,8.52,135,8.54,150,7.5,177.5,6.76644
20,37.5,6.314967,52,6.95,60,7.17,75,7.6,90,8.19,110,8.7,120,9.33,135,10.4,140.2,9.905197,150,8.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.17	5.45	5.66	5.78	5.88	5.74	5.15	4.37
8	6.07	6.29	6.44	6.62	6.74	6.66	6.28	5.44
10	6.54	6.69	6.81	6.9	7.2	7.16	6.87	6.31
12	6.73	6.9	7.09	7.14	7.58	7.68	7.35	6.78
14	6.81	7	7.32	7.47	7.85	8.17	7.91	7.12
16	6.84	7.06	7.48	7.78	8.12	8.52	8.54	7.5
20	6.95	7.17	7.6	8.19	8.7	9.33	10.4	8.79

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.4	144.5°	3.78
8	40.9°	4.1	148°	4.71
10	39°	4.62	149.5°	5.46
12	37.7°	4.83	151.5°	5.89
14	37.5°	4.9	175.5°	6.33
16	37.5°	4.93	177.5°	6.76
20	37.5°	5.01	140.2°	7.61

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