JAMBO — ORC Rating | RegattaPages

GPH

642

OSN

624.7

LOA

9.598 m

Displacement

3645 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7173

Medium

0.962

High

1.0854

Triple Offshore

Low

0.9261

Medium

1.184

High

1.3121

Boat Specifications

Dimensions

Length overall: 9.598 m
Beam: 3.35 m
Draft: 1.9 m
Displacement: 3645 kg
Crew weight: 530 kg
Wetted surface: 20.86 m²

Sails

Mainsail: 28.9 m²
Genoa: 25.06 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 94.93 m²

Design

Type: J-97 Carb Mast
Builder: J-EUROPE
Designer: JOHNSTONE Alan
Year built: 2009

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.

6,42.5,4.435237,52,4.99,60,5.28,75,5.49,90,5.66,110,5.77,120,5.61,135,5.03,145.1,4.523552,150,4.28
8,41.2,5.249763,52,5.93,60,6.21,75,6.41,90,6.66,110,6.78,120,6.68,135,6.21,147.8,5.471564,150,5.34
10,40.5,5.917891,52,6.54,60,6.72,75,6.86,90,7.06,110,7.25,120,7.19,135,6.91,148.5,6.368454,150,6.28
12,38.9,6.219136,52,6.83,60,6.99,75,7.14,90,7.23,110,7.66,120,7.65,135,7.35,150,6.83,150.5,6.801817
14,38.4,6.329005,52,6.96,60,7.15,75,7.38,90,7.45,110,7.95,120,8.12,135,7.82,150,7.15,174.4,6.34026
16,38.4,6.380046,52,7.01,60,7.23,75,7.58,90,7.73,110,8.14,120,8.53,135,8.31,150,7.46,177,6.809332
20,38.7,6.406721,52,7.02,60,7.27,75,7.76,90,8.2,110,8.53,120,9.03,135,9.55,150,8.31,177.4,7.477698

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.28	5.49	5.66	5.77	5.61	5.03	4.28
8	5.93	6.21	6.41	6.66	6.78	6.68	6.21	5.34
10	6.54	6.72	6.86	7.06	7.25	7.19	6.91	6.28
12	6.83	6.99	7.14	7.23	7.66	7.65	7.35	6.83
14	6.96	7.15	7.38	7.45	7.95	8.12	7.82	7.15
16	7.01	7.23	7.58	7.73	8.14	8.53	8.31	7.46
20	7.02	7.27	7.76	8.2	8.53	9.03	9.55	8.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.27	145.1°	3.71
8	41.2°	3.95	147.8°	4.63
10	40.5°	4.5	148.5°	5.43
12	38.9°	4.84	150.5°	5.92
14	38.4°	4.96	174.4°	6.31
16	38.4°	5	177°	6.8
20	38.7°	5	177.4°	7.47

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