BONANZA — ORC Rating | RegattaPages

GPH

550.4

OSN

535.4

LOA

15.5 m

Displacement

10124 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7607

Medium

1.0025

High

1.14

Triple Offshore

Low

0.9712

Medium

1.2219

High

1.3486

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: 40.79 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
Stability index: 119.8

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.

6,41.8,5.580327,52,6.23,60,6.52,75,6.71,90,6.57,110,6.37,120,6.22,135,5.65,142.8,5.197545,150,4.78
8,39.9,6.478396,52,7.23,60,7.45,75,7.6,90,7.53,110,7.57,120,7.47,135,6.95,147.1,6.181369,150,5.99
10,38.2,6.92238,52,7.71,60,7.91,75,8.07,90,8.06,110,8.2,120,8.18,135,7.84,150,7.06,151.1,6.990575
12,37.2,7.105822,52,7.94,60,8.14,75,8.35,90,8.41,110,8.58,120,8.64,135,8.4,150,7.84,156.5,7.502235
14,37,7.249865,52,8.06,60,8.27,75,8.54,90,8.67,110,8.84,120,9.01,135,8.86,150,8.38,162.8,7.851115
16,36.9,7.327888,52,8.13,60,8.35,75,8.66,90,8.89,110,9.05,120,9.34,135,9.31,150,8.82,175.4,8.076014
20,37,7.412643,52,8.21,60,8.45,75,8.83,90,9.19,110,9.41,120,9.82,135,10.27,150,9.74,177.2,8.930662

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.23	6.52	6.71	6.57	6.37	6.22	5.65	4.78
8	7.23	7.45	7.6	7.53	7.57	7.47	6.95	5.99
10	7.71	7.91	8.07	8.06	8.2	8.18	7.84	7.06
12	7.94	8.14	8.35	8.41	8.58	8.64	8.4	7.84
14	8.06	8.27	8.54	8.67	8.84	9.01	8.86	8.38
16	8.13	8.35	8.66	8.89	9.05	9.34	9.31	8.82
20	8.21	8.45	8.83	9.19	9.41	9.82	10.27	9.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.16	142.8°	4.14
8	39.9°	4.97	147.1°	5.19
10	38.2°	5.44	151.1°	6.12
12	37.2°	5.66	156.5°	6.88
14	37°	5.79	162.8°	7.5
16	36.9°	5.86	175.4°	8.05
20	37°	5.92	177.2°	8.92

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