BUMBLEBEE IV — ORC Rating

GPH

455.2

OSN

442

LOA

24.132 m

Displacement

36533 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8797

Medium

1.2087

High

1.39

Triple Offshore

Low

1.1428

Medium

1.494

High

1.6718

Boat Specifications

Dimensions

Length overall: 24.132 m
Beam: 5.52 m
Draft: 4.23 m
Displacement: 36533 kg
Crew weight: 1841 kg
Wetted surface: 92.54 m²

Sails

Mainsail: 142.97 m²
Genoa: 196.09 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 503.15 m²

Design

Type: Maxi
Builder: Kelly & Haugh
Designer: German Frers
Year built: 1990
Stability index: 149.1

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.

6,43,6.645211,52,7.4,60,7.82,75,8.15,90,8.07,110,7.43,120,7.23,135,6.41,142.4,5.894309,150,5.39
8,41.2,7.828128,52,8.83,60,9.22,75,9.46,90,9.41,110,9.07,120,8.91,135,8.18,140.6,7.699937,150,6.87
10,40.5,8.705876,52,9.63,60,9.89,75,10.07,90,10.08,110,10.07,120,10,135,9.5,145.6,8.689714,150,8.28
12,38.4,8.995864,52,9.97,60,10.22,75,10.41,90,10.47,110,10.55,120,10.57,135,10.24,150,9.4,150.4,9.361757
14,37,9.165633,52,10.16,60,10.4,75,10.7,90,10.81,110,10.84,120,11.07,135,10.77,150,10.1,152,9.943965
16,36.3,9.293631,52,10.28,60,10.53,75,10.92,90,11.15,110,11.12,120,11.48,135,11.36,150,10.54,152,10.363016
20,35.1,9.435926,52,10.41,60,10.7,75,11.2,90,11.75,110,11.68,120,12.19,135,12.75,150,11.34,174.8,10.021243

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.4	7.82	8.15	8.07	7.43	7.23	6.41	5.39
8	8.83	9.22	9.46	9.41	9.07	8.91	8.18	6.87
10	9.63	9.89	10.07	10.08	10.07	10	9.5	8.28
12	9.97	10.22	10.41	10.47	10.55	10.57	10.24	9.4
14	10.16	10.4	10.7	10.81	10.84	11.07	10.77	10.1
16	10.28	10.53	10.92	11.15	11.12	11.48	11.36	10.54
20	10.41	10.7	11.2	11.75	11.68	12.19	12.75	11.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	4.86	142.4°	4.67
8	41.2°	5.89	140.6°	5.95
10	40.5°	6.62	145.6°	7.17
12	38.4°	7.05	150.4°	8.14
14	37°	7.32	152°	8.78
16	36.3°	7.49	152°	9.15
20	35.1°	7.72	174.8°	9.98

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