WHITEHAWK — ORC Rating

GPH

461.8

OSN

447.3

LOA

28.91 m

Displacement

71852 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8331

Medium

1.1711

High

1.4022

Triple Offshore

Low

1.0893

Medium

1.4852

High

1.7187

Boat Specifications

Dimensions

Length overall: 28.91 m
Beam: 6.21 m
Draft: 4.59 m
Displacement: 71852 kg
Crew weight: 2410 kg
Wetted surface: 127.49 m²

Sails

Mainsail: 171.31 m²
Genoa: 209.49 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 520.74 m²

Design

Type: KING 101
Builder: NEILSON
Designer: B. KING
Year built: 1977

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.

6,45,6.066976,52,6.7,60,7.18,75,7.6,90,7.59,110,7.45,120,7.3,135,6.55,141,6.060638,150,5.44
8,42.8,7.291512,52,8.14,60,8.6,75,9.01,90,8.98,110,9.13,120,8.95,135,8.19,141.5,7.602783,150,6.87
10,41.6,8.237518,52,9.3,60,9.8,75,10.17,90,10.17,110,10.47,120,10.33,135,9.52,145.2,8.597707,150,8.15
12,42,9.109934,52,10.17,60,10.55,75,10.8,90,10.92,110,11.17,120,11.06,135,10.55,147,9.574677,150,9.27
14,41.2,9.582479,52,10.64,60,10.97,75,11.2,90,11.36,110,11.55,120,11.53,135,11.14,150,10.230647
16,40.5,9.863152,52,10.89,60,11.21,75,11.5,90,11.71,110,11.78,120,11.96,135,11.57,150,10.86,151.2,10.749661
20,39,10.088195,52,11.12,60,11.43,75,11.85,90,12.25,110,12.21,120,12.54,135,12.47,150,11.53,157,10.950513

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.7	7.18	7.6	7.59	7.45	7.3	6.55	5.44
8	8.14	8.6	9.01	8.98	9.13	8.95	8.19	6.87
10	9.3	9.8	10.17	10.17	10.47	10.33	9.52	8.15
12	10.17	10.55	10.8	10.92	11.17	11.06	10.55	9.27
14	10.64	10.97	11.2	11.36	11.55	11.53	11.14	10.24
16	10.89	11.21	11.5	11.71	11.78	11.96	11.57	10.86
20	11.12	11.43	11.85	12.25	12.21	12.54	12.47	11.53

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	4.29	141°	4.71
8	42.8°	5.35	141.5°	5.95
10	41.6°	6.16	145.2°	7.06
12	42°	6.77	147°	8.03
14	41.2°	7.21	150°	8.86
16	40.5°	7.5	151.2°	9.42
20	39°	7.84	157°	10.08

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