SUNBIRD — ORC Rating | RegattaPages

GPH

534.4

OSN

524.7

LOA

15.983 m

Displacement

18920 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7526

Medium

1.0022

High

1.136

Triple Offshore

Low

0.9911

Medium

1.2645

High

1.3937

Boat Specifications

Dimensions

Length overall: 15.983 m
Beam: 4.78 m
Draft: 2.96 m
Displacement: 18920 kg
Crew weight: 800 kg
Wetted surface: 60.5 m²

Sails

Mainsail: 91.11 m²
Genoa: 72.25 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 263.25 m²

Design

Type: BM 53
Builder: BENJAMINS
Designer: BERCKEMEYER
Year built: 2015
Stability index: 90.6

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.

6,45.4,5.696764,52,6.26,60,6.73,75,7.2,90,7.28,110,6.81,120,6.46,135,5.76,142.4,5.28847,150,4.84
8,43,6.508479,52,7.29,60,7.79,75,8.38,90,8.52,110,8.21,120,7.96,135,7.32,145.7,6.464122,150,6.16
10,40.8,6.869265,52,7.79,60,8.23,75,8.78,90,9.07,110,9.03,120,8.95,135,8.51,144.7,7.878574,150,7.43
12,40.5,7.114621,52,8.04,60,8.48,75,8.98,90,9.26,110,9.43,120,9.37,135,9.21,149.8,8.481099,150,8.46
14,39.9,7.273532,52,8.22,60,8.65,75,9.1,90,9.39,110,9.68,120,9.76,135,9.71,150,9.08,151,8.998197
16,39.9,7.482092,52,8.44,60,8.76,75,9.18,90,9.51,110,9.9,120,10.13,135,10.27,150,9.47,151.4,9.350979
20,40.5,7.601203,52,8.52,60,8.88,75,9.31,90,9.64,110,10.25,120,10.71,135,11.22,150,10.26,175.7,9.175829

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.26	6.73	7.2	7.28	6.81	6.46	5.76	4.84
8	7.29	7.79	8.38	8.52	8.21	7.96	7.32	6.16
10	7.79	8.23	8.78	9.07	9.03	8.95	8.51	7.43
12	8.04	8.48	8.98	9.26	9.43	9.37	9.21	8.46
14	8.22	8.65	9.1	9.39	9.68	9.76	9.71	9.08
16	8.44	8.76	9.18	9.51	9.9	10.13	10.27	9.47
20	8.52	8.88	9.31	9.64	10.25	10.71	11.22	10.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	4	142.4°	4.19
8	43°	4.76	145.7°	5.34
10	40.8°	5.2	144.7°	6.43
12	40.5°	5.41	149.8°	7.33
14	39.9°	5.58	151°	7.87
16	39.9°	5.74	151.4°	8.21
20	40.5°	5.78	175.7°	9.15

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