Feria — ORC Rating | RegattaPages

GPH

766.3

OSN

740.4

LOA

8.319 m

Displacement

2403 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5103

Medium

0.7175

High

0.8615

Triple Offshore

Low

0.6638

Medium

0.8919

High

1.0271

Boat Specifications

Dimensions

Length overall: 8.319 m
Beam: 2.79 m
Draft: 1.43 m
Displacement: 2403 kg
Crew weight: 430 kg
Wetted surface: 15.67 m²

Sails

Mainsail: 19.16 m²
Genoa: 14.32 m²
Spinnaker: 33.37 m²
Asymmetric spinnaker: 0 m²

Design

Type: Finn Express 83
Builder: Nykra
Designer: Eivind Still
Year built: 1981
Stability index: 110.4

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.

6,45.4,3.717138,52,4.06,60,4.33,75,4.53,90,4.62,110,4.62,120,4.45,135,3.92,148.4,3.428329,150,3.37
8,43.8,4.405895,52,4.89,60,5.19,75,5.4,90,5.62,110,5.63,120,5.45,135,4.89,150,4.31,153.2,4.201277
10,43.6,4.998813,52,5.54,60,5.8,75,5.98,90,6.19,110,6.21,120,6.11,135,5.75,150,5.14,154.7,4.944239
12,42.4,5.40317,52,5.92,60,6.1,75,6.26,90,6.5,110,6.54,120,6.45,135,6.22,150,5.86,160.1,5.50895
14,40.5,5.628572,52,6.14,60,6.3,75,6.46,90,6.75,110,6.87,120,6.77,135,6.53,150,6.26,174.8,5.793845
16,39.6,5.736436,52,6.27,60,6.44,75,6.65,90,6.94,110,7.2,120,7.11,135,6.85,150,6.55,179,6.180941
20,39.9,5.800576,52,6.34,60,6.56,75,6.95,90,7.19,110,7.78,120,7.8,135,7.54,150,7.18,179,6.751028

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.06	4.33	4.53	4.62	4.62	4.45	3.92	3.37
8	4.89	5.19	5.4	5.62	5.63	5.45	4.89	4.31
10	5.54	5.8	5.98	6.19	6.21	6.11	5.75	5.14
12	5.92	6.1	6.26	6.5	6.54	6.45	6.22	5.86
14	6.14	6.3	6.46	6.75	6.87	6.77	6.53	6.26
16	6.27	6.44	6.65	6.94	7.2	7.11	6.85	6.55
20	6.34	6.56	6.95	7.19	7.78	7.8	7.54	7.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.61	148.4°	2.92
8	43.8°	3.18	153.2°	3.75
10	43.6°	3.62	154.7°	4.47
12	42.4°	3.99	160.1°	5.18
14	40.5°	4.28	174.8°	5.77
16	39.6°	4.42	179°	6.18
20	39.9°	4.45	179°	6.75

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