BONANZA — ORC Rating | RegattaPages

GPH

548.5

OSN

533.7

LOA

15.5 m

Displacement

10124 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8411

Medium

1.1287

High

1.2988

Triple Offshore

Low

1.0808

Medium

1.386

High

1.5479

Boat Specifications

Dimensions

Length overall: 15.5 m
Beam: 4.58 m
Draft: 2.77 m
Displacement: 10124 kg
Crew weight: 951 kg
Wetted surface: 40.67 m²

Sails

Mainsail: 67.07 m²
Genoa: 65.99 m²
Spinnaker: 189.34 m²
Asymmetric spinnaker: 0 m²

Design

Type: FRERS 50
Builder: GREEN
Designer: GERMAN FRERS
Year built: 1985

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.

6,42,5.382531,52,6.04,60,6.36,75,6.63,90,6.54,110,6.34,120,6.19,135,5.63,144,5.129682,150,4.79
8,40.9,6.390127,52,7.2,60,7.49,75,7.69,90,7.64,110,7.67,120,7.55,135,6.96,147,6.152595,150,5.96
10,39.8,7.054687,52,7.81,60,8.01,75,8.19,90,8.19,110,8.33,120,8.28,135,7.93,149,7.12813,150,7.05
12,38.6,7.293475,52,8.06,60,8.27,75,8.5,90,8.55,110,8.76,120,8.79,135,8.49,150,7.89,155,7.613308
14,37.9,7.400986,52,8.17,60,8.41,75,8.73,90,8.87,110,9.04,120,9.24,135,9,150,8.43,164,7.823052
16,37.5,7.461997,52,8.23,60,8.49,75,8.9,90,9.14,110,9.28,120,9.59,135,9.51,150,8.91,180,8.11
20,36.8,7.605547,52,8.38,60,8.61,75,9.05,90,9.52,110,9.67,120,10.1,135,10.56,150,9.89,180,9.04

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.04	6.36	6.63	6.54	6.34	6.19	5.63	4.79
8	7.2	7.49	7.69	7.64	7.67	7.55	6.96	5.96
10	7.81	8.01	8.19	8.19	8.33	8.28	7.93	7.05
12	8.06	8.27	8.5	8.55	8.76	8.79	8.49	7.89
14	8.17	8.41	8.73	8.87	9.04	9.24	9	8.43
16	8.23	8.49	8.9	9.14	9.28	9.59	9.51	8.91
20	8.38	8.61	9.05	9.52	9.67	10.1	10.56	9.89

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4	144°	4.15
8	40.9°	4.83	147°	5.16
10	39.8°	5.42	149°	6.11
12	38.6°	5.7	155°	6.9
14	37.9°	5.84	164°	7.52
16	37.5°	5.92	180°	8.11
20	36.8°	6.09	180°	9.04

Loading polar chart…