SIBA — ORC Rating | RegattaPages

GPH

809

OSN

779.8

LOA

8.205 m

Displacement

3799 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4832

Medium

0.6785

High

0.8042

Triple Offshore

Low

0.6263

Medium

0.8474

High

0.9663

Boat Specifications

Dimensions

Length overall: 8.205 m
Beam: 2.94 m
Draft: 1.58 m
Displacement: 3799 kg
Crew weight: 300 kg
Wetted surface: 19.21 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
Stability index: 110.9

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.

6,46,3.426145,52,3.73,60,4,75,4.17,90,4.28,110,4.42,120,4.27,135,3.84,147.8,3.391661,150,3.32
8,43.8,4.073375,52,4.5,60,4.76,75,4.97,90,5.21,110,5.4,120,5.28,135,4.82,150,4.25,152,4.179183
10,42.6,4.537445,52,5.07,60,5.37,75,5.61,90,5.9,110,6.05,120,5.98,135,5.69,150,5.08,152,4.994634
12,42.6,4.97217,52,5.56,60,5.8,75,5.98,90,6.17,110,6.37,120,6.33,135,6.15,150,5.79,157.4,5.513371
14,43,5.332577,52,5.83,60,6.02,75,6.19,90,6.28,110,6.62,120,6.62,135,6.45,150,6.18,170,5.727006
16,42.4,5.416712,52,5.94,60,6.14,75,6.34,90,6.43,110,6.8,120,6.92,135,6.75,150,6.46,177.2,6.067243
20,42.6,5.434066,52,5.96,60,6.19,75,6.5,90,6.73,110,7.04,120,7.32,135,7.37,150,7.03,179,6.591004

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.73	4	4.17	4.28	4.42	4.27	3.84	3.32
8	4.5	4.76	4.97	5.21	5.4	5.28	4.82	4.25
10	5.07	5.37	5.61	5.9	6.05	5.98	5.69	5.08
12	5.56	5.8	5.98	6.17	6.37	6.33	6.15	5.79
14	5.83	6.02	6.19	6.28	6.62	6.62	6.45	6.18
16	5.94	6.14	6.34	6.43	6.8	6.92	6.75	6.46
20	5.96	6.19	6.5	6.73	7.04	7.32	7.37	7.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	2.38	147.8°	2.87
8	43.8°	2.94	152°	3.69
10	42.6°	3.34	152°	4.41
12	42.6°	3.66	157.4°	5.09
14	43°	3.9	170°	5.64
16	42.4°	4	177.2°	6.06
20	42.6°	4	179°	6.59

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