OKIROI — ORC Rating | RegattaPages

GPH

744.4

OSN

722.5

LOA

9.37 m

Displacement

4012 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6018

Medium

0.8185

High

0.9721

Triple Offshore

Low

0.7788

Medium

1.0278

High

1.1728

Boat Specifications

Dimensions

Length overall: 9.37 m
Beam: 3.22 m
Draft: 1.75 m
Displacement: 4012 kg
Crew weight: 496 kg
Wetted surface: 20.28 m²

Sails

Mainsail: 19.12 m²
Genoa: 20.95 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 51.93 m²

Design

Type: FIRST 305
Builder: BENETEAU
Designer: J. BERRET
Year built: 1986

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.

6,44,3.836852,52,4.24,60,4.48,75,4.65,90,4.75,110,4.79,120,4.61,135,4.16,145.7,3.716265,150,3.55
8,42.6,4.537445,52,5.05,60,5.31,75,5.51,90,5.77,110,5.81,120,5.61,135,5.12,146.5,4.628931,150,4.46
10,41.6,5.028095,52,5.67,60,5.94,75,6.13,90,6.38,110,6.42,120,6.31,135,5.95,145.7,5.459399,150,5.21
12,41.7,5.518068,52,6.09,60,6.28,75,6.43,90,6.7,110,6.75,120,6.67,135,6.45,147,6.033358,150,5.84
14,40.2,5.786885,52,6.32,60,6.49,75,6.64,90,6.92,110,7.04,120,6.97,135,6.75,150,6.25,174.1,5.49913
16,39.4,5.888187,52,6.46,60,6.63,75,6.81,90,7.07,110,7.35,120,7.28,135,7.03,150,6.53,176,6.0347
20,39.7,5.9267,52,6.53,60,6.75,75,7.08,90,7.26,110,7.87,120,7.92,135,7.65,150,6.98,179,6.641011

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.24	4.48	4.65	4.75	4.79	4.61	4.16	3.55
8	5.05	5.31	5.51	5.77	5.81	5.61	5.12	4.46
10	5.67	5.94	6.13	6.38	6.42	6.31	5.95	5.21
12	6.09	6.28	6.43	6.7	6.75	6.67	6.45	5.84
14	6.32	6.49	6.64	6.92	7.04	6.97	6.75	6.25
16	6.46	6.63	6.81	7.07	7.35	7.28	7.03	6.53
20	6.53	6.75	7.08	7.26	7.87	7.92	7.65	6.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44°	2.76	145.7°	3.07
8	42.6°	3.34	146.5°	3.86
10	41.6°	3.76	145.7°	4.51
12	41.7°	4.12	147°	5.06
14	40.2°	4.42	174.1°	5.47
16	39.4°	4.55	176°	6.02
20	39.7°	4.56	179°	6.64

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