KING BILLY — ORC Rating

GPH

632

OSN

612.1

LOA

11.5 m

Displacement

7463 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6488

Medium

0.8793

High

1.0147

Triple Offshore

Low

0.8307

Medium

1.0713

High

1.1951

Boat Specifications

Dimensions

Length overall: 11.5 m
Beam: 3.83 m
Draft: 2.06 m
Displacement: 7463 kg
Crew weight: 670 kg
Wetted surface: 30.1 m²

Sails

Mainsail: 36.89 m²
Genoa: 49.66 m²
Spinnaker: 105.34 m²
Asymmetric spinnaker: 0 m²

Design

Type: KING 38 CUSTOM
Builder: SAILORS BAY B'SHED
Designer: KING
Year built: 1992
Stability index: 119

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.

6,42.6,4.795563,52,5.34,60,5.6,75,5.75,90,5.62,110,5.44,120,5.29,135,4.79,145.1,4.291888,150,4.06
8,41.2,5.635189,52,6.26,60,6.48,75,6.6,90,6.53,110,6.55,120,6.41,135,5.91,149.8,5.171966,150,5.16
10,39.6,6.164722,52,6.8,60,6.96,75,7.06,90,7.05,110,7.18,120,7.11,135,6.76,150,6.1,152.3,5.974744
12,38.7,6.470788,52,7.08,60,7.22,75,7.35,90,7.37,110,7.56,120,7.52,135,7.28,150,6.83,157.4,6.509893
14,37.6,6.550635,52,7.23,60,7.39,75,7.56,90,7.61,110,7.86,120,7.86,135,7.65,150,7.29,169.4,6.714582
16,37.5,6.64269,52,7.31,60,7.48,75,7.72,90,7.82,110,8.11,120,8.16,135,7.99,150,7.64,177.2,7.098475
20,37.2,6.70408,52,7.38,60,7.58,75,7.91,90,8.15,110,8.44,120,8.71,135,8.66,150,8.28,179,7.771184

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.34	5.6	5.75	5.62	5.44	5.29	4.79	4.06
8	6.26	6.48	6.6	6.53	6.55	6.41	5.91	5.16
10	6.8	6.96	7.06	7.05	7.18	7.11	6.76	6.1
12	7.08	7.22	7.35	7.37	7.56	7.52	7.28	6.83
14	7.23	7.39	7.56	7.61	7.86	7.86	7.65	7.29
16	7.31	7.48	7.72	7.82	8.11	8.16	7.99	7.64
20	7.38	7.58	7.91	8.15	8.44	8.71	8.66	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.53	145.1°	3.52
8	41.2°	4.24	149.8°	4.47
10	39.6°	4.75	152.3°	5.29
12	38.7°	5.05	157.4°	6.01
14	37.6°	5.19	169.4°	6.6
16	37.5°	5.27	177.2°	7.09
20	37.2°	5.34	179°	7.77

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