Jackle — ORC Rating | RegattaPages

GPH

615.8

OSN

599.4

LOA

9.95 m

Displacement

3962 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6716

Medium

0.8901

High

0.9933

Triple Offshore

Low

0.8656

Medium

1.0938

High

1.2077

Boat Specifications

Dimensions

Length overall: 9.95 m
Beam: 3.41 m
Draft: 2 m
Displacement: 3962 kg
Crew weight: 450 kg
Wetted surface: 22.71 m²

Sails

Mainsail: 33.28 m²
Genoa: 26.69 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 105.54 m²

Design

Type: J 99
Builder: J Composites
Designer: J Boats
Year built: 2018
Stability index: 116.8

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.

6,43,4.7583,52,5.28,60,5.55,75,5.95,90,6.16,110,5.97,120,5.79,135,5.2,143.9,4.727782,150,4.41
8,40.8,5.601093,52,6.24,60,6.45,75,6.8,90,6.99,110,6.94,120,6.86,135,6.41,147.8,5.684281,150,5.56
10,39,6.124976,52,6.78,60,6.94,75,7.16,90,7.4,110,7.45,120,7.43,135,7.15,148.9,6.563373,150,6.49
12,37.8,6.353184,52,7.04,60,7.2,75,7.36,90,7.68,110,7.82,120,7.88,135,7.66,150,7.09,150.3,7.06859
14,37.6,6.462283,52,7.15,60,7.34,75,7.58,90,7.87,110,8.19,120,8.31,135,8.15,150,7.46,150.2,7.444408
16,37.6,6.525391,52,7.21,60,7.42,75,7.74,90,8.02,110,8.56,120,8.73,135,8.69,150,7.8,174.8,6.96868
20,38.2,6.566081,52,7.26,60,7.5,75,7.92,90,8.31,110,9.25,120,9.6,135,10.37,150,8.56,175.7,7.701679

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.28	5.55	5.95	6.16	5.97	5.79	5.2	4.41
8	6.24	6.45	6.8	6.99	6.94	6.86	6.41	5.56
10	6.78	6.94	7.16	7.4	7.45	7.43	7.15	6.49
12	7.04	7.2	7.36	7.68	7.82	7.88	7.66	7.09
14	7.15	7.34	7.58	7.87	8.19	8.31	8.15	7.46
16	7.21	7.42	7.74	8.02	8.56	8.73	8.69	7.8
20	7.26	7.5	7.92	8.31	9.25	9.6	10.37	8.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.48	143.9°	3.82
8	40.8°	4.24	147.8°	4.81
10	39°	4.76	148.9°	5.62
12	37.8°	5.02	150.3°	6.14
14	37.6°	5.12	150.2°	6.46
16	37.6°	5.17	174.8°	6.94
20	38.2°	5.16	175.7°	7.68

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