FIVE STARS — ORC Rating

GPH

728.3

OSN

702.9

LOA

8.43 m

Displacement

2821 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5493

Medium

0.7633

High

0.8886

Triple Offshore

Low

0.7083

Medium

0.936

High

1.0575

Boat Specifications

Dimensions

Length overall: 8.43 m
Beam: 3.02 m
Draft: 1.58 m
Displacement: 2821 kg
Crew weight: 455 kg
Wetted surface: 17.8 m²

Sails

Mainsail: 20.43 m²
Genoa: 22.97 m²
Spinnaker: 49.97 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 285 Q.B.
Builder: Beneteau
Designer: Finot
Year built: 1989
Stability index: 123.7

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.

6,44.4,4.044941,52,4.45,60,4.7,75,4.85,90,4.75,110,4.78,120,4.63,135,4.13,146.9,3.628903,150,3.51
8,42.6,4.795563,52,5.32,60,5.57,75,5.71,90,5.7,110,5.8,120,5.66,135,5.16,150,4.52,150.9,4.486295
10,41.1,5.294843,52,5.85,60,6.04,75,6.18,90,6.27,110,6.37,120,6.28,135,5.97,150,5.39,153.2,5.254397
12,39.4,5.590543,52,6.15,60,6.31,75,6.46,90,6.59,110,6.74,120,6.67,135,6.43,150,6.06,160.4,5.689674
14,38.4,5.729281,52,6.34,60,6.49,75,6.67,90,6.83,110,7.07,120,7.02,135,6.78,150,6.46,173.9,5.95371
16,38.2,5.802583,52,6.43,60,6.62,75,6.86,90,6.98,110,7.37,120,7.36,135,7.13,150,6.79,179,6.340966
20,39.4,5.901128,52,6.49,60,6.72,75,7.11,90,7.35,110,7.87,120,8.04,135,7.87,150,7.44,179,6.971062

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.45	4.7	4.85	4.75	4.78	4.63	4.13	3.51
8	5.32	5.57	5.71	5.7	5.8	5.66	5.16	4.52
10	5.85	6.04	6.18	6.27	6.37	6.28	5.97	5.39
12	6.15	6.31	6.46	6.59	6.74	6.67	6.43	6.06
14	6.34	6.49	6.67	6.83	7.07	7.02	6.78	6.46
16	6.43	6.62	6.86	6.98	7.37	7.36	7.13	6.79
20	6.49	6.72	7.11	7.35	7.87	8.04	7.87	7.44

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.89	146.9°	3.04
8	42.6°	3.53	150.9°	3.92
10	41.1°	3.99	153.2°	4.69
12	39.4°	4.32	160.4°	5.36
14	38.4°	4.49	173.9°	5.92
16	38.2°	4.56	179°	6.34
20	39.4°	4.56	179°	6.97

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