KAOS — ORC Rating | RegattaPages

GPH

832.9

OSN

805.7

LOA

6.55 m

Displacement

1397 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5496

Medium

0.7523

High

0.8537

Triple Offshore

Low

0.7035

Medium

0.918

High

1.0211

Boat Specifications

Dimensions

Length overall: 6.55 m
Beam: 2.42 m
Draft: 1.41 m
Displacement: 1397 kg
Crew weight: 297 kg
Wetted surface: 12 m²

Sails

Mainsail: 12.55 m²
Genoa: 13.78 m²
Spinnaker: 26.37 m²
Asymmetric spinnaker: 0 m²

Design

Type: HUNTER SONATA
Builder: Hunter Marine
Designer: Thomas David
Year built: 1976

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.

6,42.7,3.442577,52,3.84,60,4.04,75,4.21,90,4.22,110,4.25,120,4.12,135,3.7,150,3.23,150.3,3.223461
8,41.5,4.045633,52,4.54,60,4.78,75,4.95,90,5.07,110,5.1,120,4.98,135,4.56,150,4.07,155.8,3.892031
10,42,4.575151,52,5.05,60,5.22,75,5.34,90,5.51,110,5.52,120,5.45,135,5.23,150,4.81,169.4,4.283089
12,40.3,4.877612,52,5.33,60,5.46,75,5.57,90,5.79,110,5.83,120,5.75,135,5.57,150,5.32,180,4.85
14,39.3,4.975187,52,5.46,60,5.61,75,5.78,90,6,110,6.17,120,6.07,135,5.86,150,5.61,180,5.31
16,39.5,4.976513,52,5.48,60,5.66,75,5.95,90,6.09,110,6.46,120,6.39,135,6.18,150,5.89,180,5.59
20,41.6,4.934487,52,5.44,60,5.64,75,6.03,90,6.39,110,6.81,120,6.96,135,6.77,150,6.47,180,6.15

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.84	4.04	4.21	4.22	4.25	4.12	3.7	3.23
8	4.54	4.78	4.95	5.07	5.1	4.98	4.56	4.07
10	5.05	5.22	5.34	5.51	5.52	5.45	5.23	4.81
12	5.33	5.46	5.57	5.79	5.83	5.75	5.57	5.32
14	5.46	5.61	5.78	6	6.17	6.07	5.86	5.61
16	5.48	5.66	5.95	6.09	6.46	6.39	6.18	5.89
20	5.44	5.64	6.03	6.39	6.81	6.96	6.77	6.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	2.53	150.3°	2.8
8	41.5°	3.03	155.8°	3.55
10	42°	3.4	169.4°	4.21
12	40.3°	3.72	180°	4.85
14	39.3°	3.85	180°	5.31
16	39.5°	3.84	180°	5.59
20	41.6°	3.69	180°	6.15

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