Chazaq — ORC Rating | RegattaPages

GPH

699.5

OSN

679

LOA

9.35 m

Displacement

4200 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6325

Medium

0.8753

High

1.0369

Triple Offshore

Low

0.8255

Medium

1.0954

High

1.2554

Boat Specifications

Dimensions

Length overall: 9.35 m
Beam: 3.25 m
Draft: 1.46 m
Displacement: 4200 kg
Crew weight: 556 kg
Wetted surface: 23.17 m²

Sails

Mainsail: 23.8 m²
Genoa: 30.19 m²
Spinnaker: 63.12 m²
Asymmetric spinnaker: 68.89 m²

Design

Type: Ocean 31
Builder: Robertson and Cain
Designer: Lavranos
Year built: 1992

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.

6,45.3,4.065996,52,4.47,60,4.81,75,5.12,90,5.13,110,5.1,120,4.93,135,4.45,147.2,3.878336,150,3.77
8,44,4.823868,52,5.35,60,5.72,75,6.06,90,6.09,110,6.19,120,6.02,135,5.47,150,4.79,150.9,4.749522
10,43.9,5.44028,52,6.04,60,6.37,75,6.62,90,6.76,110,6.81,120,6.72,135,6.37,150,5.68,151.7,5.599235
12,43.7,5.93388,52,6.48,60,6.72,75,6.92,90,7.11,110,7.18,120,7.1,135,6.86,150,6.44,157,6.137936
14,42.4,6.16151,52,6.73,60,6.94,75,7.16,90,7.34,110,7.55,120,7.45,135,7.2,150,6.87,174.6,6.287906
16,41.5,6.221997,52,6.84,60,7.08,75,7.38,90,7.48,110,7.95,120,7.86,135,7.56,150,7.19,180,6.74
20,42.6,6.385027,52,6.89,60,7.16,75,7.67,90,7.98,110,8.47,120,8.73,135,8.37,150,7.88,180,7.37

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.47	4.81	5.12	5.13	5.1	4.93	4.45	3.77
8	5.35	5.72	6.06	6.09	6.19	6.02	5.47	4.79
10	6.04	6.37	6.62	6.76	6.81	6.72	6.37	5.68
12	6.48	6.72	6.92	7.11	7.18	7.1	6.86	6.44
14	6.73	6.94	7.16	7.34	7.55	7.45	7.2	6.87
16	6.84	7.08	7.38	7.48	7.95	7.86	7.56	7.19
20	6.89	7.16	7.67	7.98	8.47	8.73	8.37	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.3°	2.86	147.2°	3.26
8	44°	3.47	150.9°	4.15
10	43.9°	3.92	151.7°	4.93
12	43.7°	4.29	157°	5.65
14	42.4°	4.55	174.6°	6.26
16	41.5°	4.66	180°	6.74
20	42.6°	4.7	180°	7.37

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