BON III — ORC Rating | RegattaPages

GPH

621.6

OSN

604.7

LOA

10.757 m

Displacement

5175 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6566

Medium

0.8817

High

0.9995

Triple Offshore

Low

0.8481

Medium

1.0881

High

1.2073

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.14 m
Displacement: 5175 kg
Crew weight: 640 kg
Wetted surface: 26.42 m²

Sails

Mainsail: 37.7 m²
Genoa: 30.34 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.7 m²

Design

Type: J 109
Builder: J BOATS
Designer: JOHSTONE
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.

6,42.8,4.6066,52,5.18,60,5.48,75,5.72,90,5.8,110,5.89,120,5.73,135,5.15,144,4.672337,150,4.37
8,41.2,5.435831,52,6.14,60,6.44,75,6.66,90,6.88,110,6.99,120,6.88,135,6.36,148,5.577514,150,5.46
10,40.5,6.128305,52,6.8,60,6.99,75,7.14,90,7.33,110,7.5,120,7.43,135,7.14,148.5,6.53265,150,6.43
12,39,6.433798,52,7.09,60,7.26,75,7.43,90,7.51,110,7.89,120,7.88,135,7.59,150,7.07,150.2,7.052597
14,38.2,6.515181,52,7.21,60,7.41,75,7.65,90,7.76,110,8.2,120,8.34,135,8.04,150,7.41,174,6.485528
16,38.2,6.578806,52,7.26,60,7.47,75,7.82,90,8.03,110,8.43,120,8.77,135,8.53,150,7.71,177,7.01962
20,38.2,6.706056,52,7.34,60,7.53,75,7.97,90,8.47,110,8.85,120,9.33,135,9.68,150,8.5,178,7.704693

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.48	5.72	5.8	5.89	5.73	5.15	4.37
8	6.14	6.44	6.66	6.88	6.99	6.88	6.36	5.46
10	6.8	6.99	7.14	7.33	7.5	7.43	7.14	6.43
12	7.09	7.26	7.43	7.51	7.89	7.88	7.59	7.07
14	7.21	7.41	7.65	7.76	8.2	8.34	8.04	7.41
16	7.26	7.47	7.82	8.03	8.43	8.77	8.53	7.71
20	7.34	7.53	7.97	8.47	8.85	9.33	9.68	8.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.38	144°	3.78
8	41.2°	4.09	148°	4.73
10	40.5°	4.66	148.5°	5.57
12	39°	5	150.2°	6.12
14	38.2°	5.12	174°	6.45
16	38.2°	5.17	177°	7.01
20	38.2°	5.27	178°	7.7

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