Humming Bird — ORC Rating

GPH

696.8

OSN

675.9

LOA

9.255 m

Displacement

3047 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5942

Medium

0.8011

High

0.9109

Triple Offshore

Low

0.7614

Medium

0.9687

High

1.0713

Boat Specifications

Dimensions

Length overall: 9.255 m
Beam: 3.07 m
Draft: 1.75 m
Displacement: 3047 kg
Crew weight: 432 kg
Wetted surface: 17.89 m²

Sails

Mainsail: 25.89 m²
Genoa: 21.4 m²
Spinnaker: 47.22 m²
Asymmetric spinnaker: 0 m²

Design

Type: HB 31
Builder: Hunter Boats
Designer: v.d.Stadt & Prtnrs
Year built: 1983
Stability index: 107.8

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.

6,42.6,4.428764,52,4.92,60,5.15,75,5.27,90,5.15,110,5.08,120,4.89,135,4.36,146,3.835773,150,3.67
8,40.2,5.13226,52,5.71,60,5.89,75,6,90,5.99,110,6.01,120,5.86,135,5.36,150,4.7,151.1,4.64896
10,38.4,5.53788,52,6.12,60,6.25,75,6.36,90,6.43,110,6.48,120,6.39,135,6.08,150,5.55,155,5.340349
12,37.5,5.747754,52,6.32,60,6.46,75,6.59,90,6.69,110,6.8,120,6.72,135,6.49,150,6.15,164.6,5.715202
14,37,5.822431,52,6.43,60,6.58,75,6.75,90,6.86,110,7.09,120,7.03,135,6.8,150,6.52,177.2,6.067243
16,37,5.885038,52,6.49,60,6.65,75,6.89,90,7.01,110,7.36,120,7.36,135,7.12,150,6.81,179,6.440981
20,37.5,5.962035,52,6.54,60,6.73,75,7.04,90,7.32,110,7.81,120,8.09,135,7.94,150,7.47,179,7.011068

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.15	5.27	5.15	5.08	4.89	4.36	3.67
8	5.71	5.89	6	5.99	6.01	5.86	5.36	4.7
10	6.12	6.25	6.36	6.43	6.48	6.39	6.08	5.55
12	6.32	6.46	6.59	6.69	6.8	6.72	6.49	6.15
14	6.43	6.58	6.75	6.86	7.09	7.03	6.8	6.52
16	6.49	6.65	6.89	7.01	7.36	7.36	7.12	6.81
20	6.54	6.73	7.04	7.32	7.81	8.09	7.94	7.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.26	146°	3.18
8	40.2°	3.92	151.1°	4.07
10	38.4°	4.34	155°	4.84
12	37.5°	4.56	164.6°	5.51
14	37°	4.65	177.2°	6.06
16	37°	4.7	179°	6.44
20	37.5°	4.73	179°	7.01

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