Humming Bird — ORC Rating

GPH

692.3

OSN

672.6

LOA

9.255 m

Displacement

3047 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5889

Medium

0.8013

High

0.9174

Triple Offshore

Low

0.7589

Medium

0.9775

High

1.0899

Boat Specifications

Dimensions

Length overall: 9.255 m
Beam: 3.07 m
Draft: 1.75 m
Displacement: 3047 kg
Crew weight: 450 kg
Wetted surface: 17.93 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

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.

6,42,4.265656,52,4.82,60,5.07,75,5.26,90,5.18,110,5.11,120,4.92,135,4.43,147,3.863257,150,3.74
8,41.2,5.037114,52,5.67,60,5.91,75,6.08,90,6.09,110,6.11,120,5.95,135,5.4,150,4.72,152,4.632212
10,40.3,5.624988,52,6.17,60,6.33,75,6.45,90,6.55,110,6.58,120,6.5,135,6.19,150,5.58,153.5,5.419392
12,38.6,5.847576,52,6.41,60,6.55,75,6.69,90,6.84,110,6.93,120,6.84,135,6.59,150,6.24,164,5.773662
14,38.2,5.942558,52,6.52,60,6.69,75,6.9,90,7.03,110,7.29,120,7.2,135,6.92,150,6.61,180,6.15
16,38.1,5.997954,52,6.57,60,6.76,75,7.07,90,7.21,110,7.63,120,7.57,135,7.29,150,6.92,180,6.54
20,38.6,6.001122,52,6.59,60,6.81,75,7.23,90,7.6,110,8.02,120,8.26,135,8.05,150,7.61,180,7.16

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.82	5.07	5.26	5.18	5.11	4.92	4.43	3.74
8	5.67	5.91	6.08	6.09	6.11	5.95	5.4	4.72
10	6.17	6.33	6.45	6.55	6.58	6.5	6.19	5.58
12	6.41	6.55	6.69	6.84	6.93	6.84	6.59	6.24
14	6.52	6.69	6.9	7.03	7.29	7.2	6.92	6.61
16	6.57	6.76	7.07	7.21	7.63	7.57	7.29	6.92
20	6.59	6.81	7.23	7.6	8.02	8.26	8.05	7.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.17	147°	3.24
8	41.2°	3.79	152°	4.09
10	40.3°	4.29	153.5°	4.85
12	38.6°	4.57	164°	5.55
14	38.2°	4.67	180°	6.15
16	38.1°	4.72	180°	6.54
20	38.6°	4.69	180°	7.16

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