Bonvi — ORC Rating | RegattaPages

GPH

704

OSN

682

LOA

10.24 m

Displacement

5608 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5758

Medium

0.7789

High

0.8917

Triple Offshore

Low

0.7386

Medium

0.9663

High

1.077

Boat Specifications

Dimensions

Length overall: 10.24 m
Beam: 3.39 m
Draft: 1.86 m
Displacement: 5608 kg
Crew weight: 695 kg
Wetted surface: 24.47 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

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.

6,43.6,4.197899,52,4.64,60,4.88,75,5,90,4.88,110,4.94,120,4.78,135,4.33,145.1,3.901716,150,3.7
8,41.8,4.963272,52,5.52,60,5.76,75,5.89,90,5.87,110,6.01,120,5.86,135,5.39,146.2,4.897805,150,4.7
10,40.5,5.510215,52,6.1,60,6.28,75,6.42,90,6.5,110,6.64,120,6.56,135,6.23,146,5.765722,150,5.52
12,39.4,5.823482,52,6.41,60,6.57,75,6.72,90,6.82,110,7.01,120,6.97,135,6.74,146.8,6.321971,150,6.11
14,39,5.970564,52,6.58,60,6.74,75,6.92,90,7,110,7.29,120,7.29,135,7.09,148.7,6.577262,150,6.48
16,38.7,6.047945,52,6.66,60,6.84,75,7.06,90,7.16,110,7.52,120,7.58,135,7.4,150,6.78,171.8,6.142803
20,38.6,6.090691,52,6.72,60,6.91,75,7.23,90,7.45,110,7.85,120,8.08,135,7.97,150,7.25,176.3,6.794162
24,39.1,6.069225,52,6.72,60,6.94,75,7.31,90,7.62,110,8.07,120,8.47,135,8.56,150,7.7,175.2,7.275516

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.64	4.88	5	4.88	4.94	4.78	4.33	3.7
8	5.52	5.76	5.89	5.87	6.01	5.86	5.39	4.7
10	6.1	6.28	6.42	6.5	6.64	6.56	6.23	5.52
12	6.41	6.57	6.72	6.82	7.01	6.97	6.74	6.11
14	6.58	6.74	6.92	7	7.29	7.29	7.09	6.48
16	6.66	6.84	7.06	7.16	7.52	7.58	7.4	6.78
20	6.72	6.91	7.23	7.45	7.85	8.08	7.97	7.25
24	6.72	6.94	7.31	7.62	8.07	8.47	8.56	7.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.04	145.1°	3.2
8	41.8°	3.7	146.2°	4.07
10	40.5°	4.19	146°	4.78
12	39.4°	4.5	146.8°	5.29
14	39°	4.64	148.7°	5.62
16	38.7°	4.72	171.8°	6.08
20	38.6°	4.76	176.3°	6.78
24	39.1°	4.71	175.2°	7.25

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