KAOBA — ORC Rating | RegattaPages

GPH

612.7

OSN

595.7

LOA

9.5 m

Displacement

2950 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7536

Medium

1.0123

High

1.1499

Triple Offshore

Low

0.9712

Medium

1.2386

High

1.3913

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: 28.41 m²
Genoa: 30.62 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.

6,42.4,4.888583,52,5.51,60,5.83,75,6.07,90,5.96,110,5.71,120,5.54,135,5,141.1,4.690051,150,4.21
8,41,5.816807,52,6.5,60,6.72,75,6.88,90,6.86,110,6.85,120,6.73,135,6.23,148,5.447804,150,5.33
10,39,6.305122,52,6.94,60,7.1,75,7.24,90,7.27,110,7.38,120,7.31,135,7,150,6.33,150.6,6.301553
12,37.8,6.429118,52,7.11,60,7.31,75,7.55,90,7.62,110,7.88,120,7.86,135,7.48,150,7.01,157.9,6.680851
14,37.3,6.499274,52,7.19,60,7.41,75,7.82,90,8.02,110,8.28,120,8.48,135,8.05,150,7.45,180,6.79
16,37.4,6.5457,52,7.23,60,7.47,75,7.97,90,8.39,110,8.62,120,9.04,135,8.74,150,7.97,180,7.25
20,37.5,6.630085,52,7.3,60,7.54,75,8.1,90,8.84,110,9.23,120,9.84,135,10.47,150,9.28,180,8.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.51	5.83	6.07	5.96	5.71	5.54	5	4.21
8	6.5	6.72	6.88	6.86	6.85	6.73	6.23	5.33
10	6.94	7.1	7.24	7.27	7.38	7.31	7	6.33
12	7.11	7.31	7.55	7.62	7.88	7.86	7.48	7.01
14	7.19	7.41	7.82	8.02	8.28	8.48	8.05	7.45
16	7.23	7.47	7.97	8.39	8.62	9.04	8.74	7.97
20	7.3	7.54	8.1	8.84	9.23	9.84	10.47	9.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.61	141.1°	3.65
8	41°	4.39	148°	4.62
10	39°	4.9	150.6°	5.49
12	37.8°	5.08	157.9°	6.19
14	37.3°	5.17	180°	6.79
16	37.4°	5.2	180°	7.25
20	37.5°	5.26	180°	8.19

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