Bonvi — ORC Rating | RegattaPages

GPH

706.4

OSN

684.7

LOA

10.24 m

Displacement

5608 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5692

Medium

0.7728

High

0.896

Triple Offshore

Low

0.732

Medium

0.9635

High

1.0841

Boat Specifications

Dimensions

Length overall: 10.24 m
Beam: 3.39 m
Draft: 1.86 m
Displacement: 5608 kg
Crew weight: 660 kg
Wetted surface: 24.42 m²

Sails

Mainsail: 23.36 m²
Genoa: 41.33 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 83.34 m²

Design

Type: Show 34
Builder: Concordia
Designer: Barberis
Year built: 1976
Stability index: 119.2

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.

6,43.8,4.08723,52,4.52,60,4.78,75,4.96,90,4.88,110,4.95,120,4.8,135,4.38,146,3.932271,150,3.76
8,41.8,4.775472,52,5.37,60,5.66,75,5.88,90,5.89,110,6.04,120,5.88,135,5.39,146.9,4.87037,150,4.71
10,41.8,5.419356,52,6.05,60,6.28,75,6.44,90,6.57,110,6.67,120,6.6,135,6.29,145.7,5.810447,150,5.55
12,41.2,5.887709,52,6.43,60,6.59,75,6.73,90,6.9,110,7.02,120,6.97,135,6.76,147.1,6.371931,150,6.17
14,40.2,6.061828,52,6.62,60,6.78,75,6.93,90,7.08,110,7.34,120,7.31,135,7.09,149.6,6.562215,150,6.54
16,39.4,6.121127,52,6.7,60,6.89,75,7.1,90,7.19,110,7.64,120,7.65,135,7.42,150,6.81,171.8,6.193319
20,39.4,6.198773,52,6.77,60,6.97,75,7.33,90,7.56,110,7.99,120,8.23,135,8.07,150,7.27,177.2,6.81814

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.52	4.78	4.96	4.88	4.95	4.8	4.38	3.76
8	5.37	5.66	5.88	5.89	6.04	5.88	5.39	4.71
10	6.05	6.28	6.44	6.57	6.67	6.6	6.29	5.55
12	6.43	6.59	6.73	6.9	7.02	6.97	6.76	6.17
14	6.62	6.78	6.93	7.08	7.34	7.31	7.09	6.54
16	6.7	6.89	7.1	7.19	7.64	7.65	7.42	6.81
20	6.77	6.97	7.33	7.56	7.99	8.23	8.07	7.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.95	146°	3.26
8	41.8°	3.56	146.9°	4.08
10	41.8°	4.04	145.7°	4.8
12	41.2°	4.43	147.1°	5.35
14	40.2°	4.63	149.6°	5.66
16	39.4°	4.73	171.8°	6.13
20	39.4°	4.79	177.2°	6.81

Loading polar chart…