BON III — ORC Rating | RegattaPages

GPH

621.3

OSN

603.3

LOA

10.757 m

Displacement

5175 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6566

Medium

0.8845

High

1.0014

Triple Offshore

Low

0.8465

Medium

1.0897

High

1.2106

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: 26.34 m²

Sails

Mainsail: 38.08 m²
Genoa: 30.05 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 108.7 m²

Design

Type: J 109
Builder: J BOATS
Designer: JOHSTONE
Year built: 2001
Stability index: 116.1

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.

6,43,4.580547,52,5.14,60,5.44,75,5.66,90,5.78,110,5.87,120,5.72,135,5.16,144.8,4.662576,150,4.4
8,41.4,5.425863,52,6.11,60,6.41,75,6.63,90,6.87,110,6.99,120,6.88,135,6.39,147.8,5.648828,150,5.52
10,40.6,6.124293,52,6.79,60,6.98,75,7.13,90,7.33,110,7.51,120,7.45,135,7.18,148.8,6.581991,150,6.5
12,39,6.433798,52,7.09,60,7.26,75,7.42,90,7.51,110,7.9,120,7.9,135,7.63,150,7.12,150.2,7.110216
14,38.2,6.527906,52,7.21,60,7.41,75,7.64,90,7.75,110,8.2,120,8.38,135,8.1,150,7.46,152.9,7.267925
16,38.4,6.622487,52,7.27,60,7.48,75,7.81,90,8.03,110,8.44,120,8.8,135,8.62,150,7.76,174.8,7.008846
20,37.8,6.7202,52,7.35,60,7.54,75,7.97,90,8.47,110,8.87,120,9.37,135,9.85,150,8.48,176.6,7.693542

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.44	5.66	5.78	5.87	5.72	5.16	4.4
8	6.11	6.41	6.63	6.87	6.99	6.88	6.39	5.52
10	6.79	6.98	7.13	7.33	7.51	7.45	7.18	6.5
12	7.09	7.26	7.42	7.51	7.9	7.9	7.63	7.12
14	7.21	7.41	7.64	7.75	8.2	8.38	8.1	7.46
16	7.27	7.48	7.81	8.03	8.44	8.8	8.62	7.76
20	7.35	7.54	7.97	8.47	8.87	9.37	9.85	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.35	144.8°	3.81
8	41.4°	4.07	147.8°	4.78
10	40.6°	4.65	148.8°	5.63
12	39°	5	150.2°	6.17
14	38.2°	5.13	152.9°	6.47
16	38.4°	5.19	174.8°	6.98
20	37.8°	5.31	176.6°	7.68

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