JAMBO — ORC Rating | RegattaPages

GPH

614.1

OSN

598.6

LOA

10.75 m

Displacement

4798 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7506

Medium

1.0001

High

1.1276

Triple Offshore

Low

0.9715

Medium

1.2366

High

1.3694

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: 37.67 m²
Genoa: 30.58 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 107.35 m²

Design

Type: J/109
Builder: J Composite France
Designer: 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.

6,43.1,4.766064,52,5.34,60,5.69,75,6.03,90,6,110,5.88,120,5.73,135,5.15,144.5,4.655359,150,4.37
8,42,5.67857,52,6.39,60,6.71,75,6.94,90,6.91,110,7.01,120,6.88,135,6.37,147.9,5.607221,150,5.48
10,41.1,6.303385,52,6.95,60,7.17,75,7.34,90,7.36,110,7.53,120,7.46,135,7.15,148.7,6.542153,150,6.45
12,38.9,6.463276,52,7.14,60,7.35,75,7.6,90,7.64,110,7.95,120,7.93,135,7.61,150,7.09,150.4,7.061571
14,38.7,6.586109,52,7.24,60,7.45,75,7.78,90,7.95,110,8.27,120,8.43,135,8.09,150,7.44,173.9,6.506842
16,38.7,6.637363,52,7.29,60,7.51,75,7.89,90,8.23,110,8.52,120,8.87,135,8.61,150,7.75,176.7,7.041676
20,38.5,6.733894,52,7.37,60,7.56,75,8.04,90,8.57,110,9.22,120,9.49,135,9.9,150,8.63,177.5,7.747374

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.34	5.69	6.03	6	5.88	5.73	5.15	4.37
8	6.39	6.71	6.94	6.91	7.01	6.88	6.37	5.48
10	6.95	7.17	7.34	7.36	7.53	7.46	7.15	6.45
12	7.14	7.35	7.6	7.64	7.95	7.93	7.61	7.09
14	7.24	7.45	7.78	7.95	8.27	8.43	8.09	7.44
16	7.29	7.51	7.89	8.23	8.52	8.87	8.61	7.75
20	7.37	7.56	8.04	8.57	9.22	9.49	9.9	8.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.48	144.5°	3.79
8	42°	4.22	147.9°	4.75
10	41.1°	4.75	148.7°	5.59
12	38.9°	5.03	150.4°	6.14
14	38.7°	5.14	173.9°	6.47
16	38.7°	5.18	176.7°	7.03
20	38.5°	5.27	177.5°	7.74

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