SIBA — ORC Rating | RegattaPages

GPH

806.5

OSN

778.1

LOA

8.205 m

Displacement

3801 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.546

Medium

0.7653

High

0.9099

Triple Offshore

Low

0.7062

Medium

0.9562

High

1.0933

Boat Specifications

Dimensions

Length overall: 8.205 m
Beam: 2.94 m
Draft: 1.58 m
Displacement: 3801 kg
Crew weight: 300 kg
Wetted surface: 19.55 m²

Sails

Mainsail: 14.9 m²
Genoa: 24.25 m²
Spinnaker: 57.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: MAXI 84
Builder: Maxi/Boerjesson
Designer: PELLE PETTERSON
Year built: 1981

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.

6,44.4,3.373117,52,3.73,60,3.97,75,4.16,90,4.27,110,4.41,120,4.27,135,3.84,147.9,3.387942,150,3.32
8,42.8,4.047811,52,4.5,60,4.74,75,4.95,90,5.22,110,5.39,120,5.27,135,4.81,150,4.23,151.6,4.172121
10,42,4.534782,52,5.1,60,5.39,75,5.62,90,5.91,110,6.05,120,5.98,135,5.68,150,5.05,151.9,4.965272
12,42.3,4.988974,52,5.59,60,5.83,75,6,90,6.19,110,6.37,120,6.33,135,6.15,150,5.76,157.1,5.482067
14,42.6,5.33897,52,5.85,60,6.05,75,6.21,90,6.3,110,6.62,120,6.62,135,6.44,150,6.16,180,5.64
16,42.3,5.462182,52,5.97,60,6.17,75,6.36,90,6.43,110,6.82,120,6.91,135,6.72,150,6.43,180,6.06
20,42.4,5.484421,52,6,60,6.22,75,6.53,90,6.74,110,7.06,120,7.33,135,7.32,150,6.97,180,6.58

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.73	3.97	4.16	4.27	4.41	4.27	3.84	3.32
8	4.5	4.74	4.95	5.22	5.39	5.27	4.81	4.23
10	5.1	5.39	5.62	5.91	6.05	5.98	5.68	5.05
12	5.59	5.83	6	6.19	6.37	6.33	6.15	5.76
14	5.85	6.05	6.21	6.3	6.62	6.62	6.44	6.16
16	5.97	6.17	6.36	6.43	6.82	6.91	6.72	6.43
20	6	6.22	6.53	6.74	7.06	7.33	7.32	6.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.41	147.9°	2.87
8	42.8°	2.97	151.6°	3.67
10	42°	3.37	151.9°	4.38
12	42.3°	3.69	157.1°	5.05
14	42.6°	3.93	180°	5.64
16	42.3°	4.04	180°	6.06
20	42.4°	4.05	180°	6.58

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