KAOBA — ORC Rating | RegattaPages

GPH

622.7

OSN

603

LOA

9.5 m

Displacement

2945 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.655

Medium

0.8855

High

1.0091

Triple Offshore

Low

0.8423

Medium

1.0879

High

1.2201

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.4 m
Draft: 2.04 m
Displacement: 2945 kg
Crew weight: 618 kg
Wetted surface: 20.7 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
Stability index: 110.2

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.

6,42.6,4.809148,52,5.38,60,5.66,75,5.81,90,5.65,110,5.59,120,5.42,135,4.87,143.8,4.374441,150,4.08
8,40.6,5.689666,52,6.36,60,6.59,75,6.74,90,6.65,110,6.76,120,6.62,135,6.09,147.9,5.347518,150,5.23
10,38.8,6.159074,52,6.85,60,7.03,75,7.18,90,7.19,110,7.37,120,7.32,135,6.94,150,6.23,151.1,6.168154
12,38.1,6.341057,52,7.05,60,7.26,75,7.5,90,7.58,110,7.84,120,7.88,135,7.51,150,6.98,156.8,6.669312
14,37.6,6.411797,52,7.15,60,7.38,75,7.74,90,7.94,110,8.2,120,8.41,135,8.11,150,7.5,167.6,6.880507
16,37.6,6.462283,52,7.21,60,7.46,75,7.89,90,8.24,110,8.48,120,8.89,135,8.75,150,8.05,175.4,7.263396
20,38.1,6.506255,52,7.25,60,7.53,75,8.06,90,8.65,110,8.93,120,9.61,135,10.26,150,9.31,173,8.281731

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.66	5.81	5.65	5.59	5.42	4.87	4.08
8	6.36	6.59	6.74	6.65	6.76	6.62	6.09	5.23
10	6.85	7.03	7.18	7.19	7.37	7.32	6.94	6.23
12	7.05	7.26	7.5	7.58	7.84	7.88	7.51	6.98
14	7.15	7.38	7.74	7.94	8.2	8.41	8.11	7.5
16	7.21	7.46	7.89	8.24	8.48	8.89	8.75	8.05
20	7.25	7.53	8.06	8.65	8.93	9.61	10.26	9.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.54	143.8°	3.53
8	40.6°	4.32	147.9°	4.53
10	38.8°	4.8	151.1°	5.4
12	38.1°	4.99	156.8°	6.13
14	37.6°	5.08	167.6°	6.72
16	37.6°	5.12	175.4°	7.24
20	38.1°	5.12	173°	8.22

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