JAMBO — ORC Rating | RegattaPages

GPH

641.5

OSN

623.1

LOA

9.6 m

Displacement

3732 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6473

Medium

0.8576

High

0.9607

Triple Offshore

Low

0.8287

Medium

1.0514

High

1.1599

Boat Specifications

Dimensions

Length overall: 9.6 m
Beam: 3.35 m
Draft: 1.91 m
Displacement: 3732 kg
Crew weight: 512 kg
Wetted surface: 20.94 m²

Sails

Mainsail: 28.85 m²
Genoa: 25.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 94.93 m²

Design

Type: J 97
Builder: J-EUROPE
Designer: JOHNSTONE Alan
Year built: 2009
Stability index: 120.5

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.

6,43,4.566874,52,5.07,60,5.33,75,5.49,90,5.62,110,5.72,120,5.58,135,5.03,144.8,4.540198,150,4.29
8,40.8,5.350101,52,5.98,60,6.2,75,6.34,90,6.56,110,6.71,120,6.61,135,6.18,147.8,5.518834,150,5.39
10,39.3,5.905612,52,6.52,60,6.68,75,6.81,90,6.99,110,7.21,120,7.17,135,6.9,148.7,6.3549,150,6.27
12,38.2,6.158882,52,6.8,60,6.96,75,7.1,90,7.19,110,7.58,120,7.6,135,7.36,150,6.83,150.1,6.817421
14,37.8,6.264594,52,6.93,60,7.11,75,7.33,90,7.39,110,7.86,120,8,135,7.81,150,7.16,169.4,6.348332
16,37.8,6.327872,52,6.99,60,7.19,75,7.49,90,7.63,110,8.07,120,8.38,135,8.27,150,7.46,174.5,6.761127
20,38.4,6.392806,52,7.04,60,7.27,75,7.66,90,8,110,8.46,120,9,135,9.48,150,8.1,175.7,7.420889

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.33	5.49	5.62	5.72	5.58	5.03	4.29
8	5.98	6.2	6.34	6.56	6.71	6.61	6.18	5.39
10	6.52	6.68	6.81	6.99	7.21	7.17	6.9	6.27
12	6.8	6.96	7.1	7.19	7.58	7.6	7.36	6.83
14	6.93	7.11	7.33	7.39	7.86	8	7.81	7.16
16	6.99	7.19	7.49	7.63	8.07	8.38	8.27	7.46
20	7.04	7.27	7.66	8	8.46	9	9.48	8.1

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.34	144.8°	3.71
8	40.8°	4.05	147.8°	4.67
10	39.3°	4.57	148.7°	5.43
12	38.2°	4.84	150.1°	5.91
14	37.8°	4.95	169.4°	6.24
16	37.8°	5	174.5°	6.73
20	38.4°	5.01	175.7°	7.4

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