KAOBA — ORC Rating | RegattaPages

GPH

616.2

OSN

598.7

LOA

9.5 m

Displacement

2950 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6618

Medium

0.8947

High

1.0176

Triple Offshore

Low

0.8541

Medium

1.0969

High

1.2351

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.4 m
Draft: 2.04 m
Displacement: 2950 kg
Crew weight: 618 kg
Wetted surface: 20.97 m²

Sails

Mainsail: 28.82 m²
Genoa: 27.14 m²
Spinnaker: 72.85 m²
Asymmetric spinnaker: 0 m²

Design

Type: KAOBA 31
Builder: NAVAL FORCE
Designer: FAYE Xavier
Year built: 1996

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.

6,42.8,4.797406,52,5.38,60,5.7,75,5.95,90,5.85,110,5.72,120,5.56,135,5.02,144.5,4.495676,150,4.22
8,41.2,5.688351,52,6.4,60,6.65,75,6.83,90,6.8,110,6.87,120,6.75,135,6.25,148,5.459596,150,5.34
10,39.4,6.250537,52,6.89,60,7.06,75,7.21,90,7.23,110,7.4,120,7.33,135,7.02,150,6.35,150.8,6.300677
12,38.2,6.413381,52,7.09,60,7.29,75,7.52,90,7.58,110,7.91,120,7.89,135,7.5,150,7.03,158,6.697701
14,37.9,6.488535,52,7.17,60,7.41,75,7.81,90,7.99,110,8.29,120,8.53,135,8.09,150,7.47,180,6.8
16,37.7,6.508907,52,7.21,60,7.47,75,7.99,90,8.37,110,8.64,120,9.09,135,8.8,150,8,180,7.26
20,37.9,6.602592,52,7.28,60,7.53,75,8.13,90,8.9,110,9.27,120,9.86,135,10.55,150,9.35,180,8.23

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.7	5.95	5.85	5.72	5.56	5.02	4.22
8	6.4	6.65	6.83	6.8	6.87	6.75	6.25	5.34
10	6.89	7.06	7.21	7.23	7.4	7.33	7.02	6.35
12	7.09	7.29	7.52	7.58	7.91	7.89	7.5	7.03
14	7.17	7.41	7.81	7.99	8.29	8.53	8.09	7.47
16	7.21	7.47	7.99	8.37	8.64	9.09	8.8	8
20	7.28	7.53	8.13	8.9	9.27	9.86	10.55	9.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.52	144.5°	3.66
8	41.2°	4.28	148°	4.63
10	39.4°	4.83	150.8°	5.5
12	38.2°	5.04	158°	6.21
14	37.9°	5.12	180°	6.8
16	37.7°	5.15	180°	7.26
20	37.9°	5.21	180°	8.23

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