SUNBIRD — ORC Rating | RegattaPages

GPH

546.5

OSN

537.3

LOA

15.983 m

Displacement

18920 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7467

Medium

0.9791

High

1.0968

Triple Offshore

Low

0.9776

Medium

1.2326

High

1.3494

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: 62.51 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.

6,44.4,5.668516,52,6.28,60,6.72,75,7.1,90,7.1,110,6.63,120,6.36,135,5.64,142.4,5.174875,150,4.73
8,41.4,6.292401,52,7.11,60,7.54,75,8.07,90,8.2,110,7.94,120,7.78,135,7.22,145.7,6.367281,150,6.07
10,40.6,6.677455,52,7.53,60,7.92,75,8.45,90,8.78,110,8.77,120,8.71,135,8.35,146,7.647422,150,7.32
12,40,6.853388,52,7.76,60,8.16,75,8.67,90,9.02,110,9.23,120,9.2,135,9.1,149.6,8.347694,150,8.31
14,40,6.996983,52,7.9,60,8.29,75,8.82,90,9.21,110,9.49,120,9.61,135,9.63,150,8.96,150.1,8.963005
16,40,7.062253,52,7.98,60,8.38,75,8.92,90,9.34,110,9.7,120,9.95,135,10.12,150,9.4,150.1,9.389815
20,40,7.166686,52,8.04,60,8.4,75,9.02,90,9.49,110,10.06,120,10.44,135,10.93,150,10.16,174.8,9.107483

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.28	6.72	7.1	7.1	6.63	6.36	5.64	4.73
8	7.11	7.54	8.07	8.2	7.94	7.78	7.22	6.07
10	7.53	7.92	8.45	8.78	8.77	8.71	8.35	7.32
12	7.76	8.16	8.67	9.02	9.23	9.2	9.1	8.31
14	7.9	8.29	8.82	9.21	9.49	9.61	9.63	8.96
16	7.98	8.38	8.92	9.34	9.7	9.95	10.12	9.4
20	8.04	8.4	9.02	9.49	10.06	10.44	10.93	10.16

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	4.05	142.4°	4.1
8	41.4°	4.72	145.7°	5.26
10	40.6°	5.07	146°	6.34
12	40°	5.25	149.6°	7.2
14	40°	5.36	150.1°	7.77
16	40°	5.41	150.1°	8.14
20	40°	5.49	174.8°	9.07

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