VIRUS — ORC Rating | RegattaPages

GPH

754.9

OSN

734.6

LOA

7.52 m

Displacement

1056 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6184

Medium

0.8258

High

0.9169

Triple Offshore

Low

0.7908

Medium

1.0053

High

1.1076

Boat Specifications

Dimensions

Length overall: 7.52 m
Beam: 2.52 m
Draft: 1.38 m
Displacement: 1056 kg
Crew weight: 300 kg
Wetted surface: 9.95 m²

Sails

Mainsail: 16.31 m²
Genoa: 12.32 m²
Spinnaker: 25.87 m²
Asymmetric spinnaker: 0 m²

Design

Type: RIVETTO
Builder: NEGRI NAUTICA
Designer: FONTANA-MALETTO-NA
Year built: 1978

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.

6,41.5,3.95217,52,4.43,60,4.65,75,4.83,90,4.79,110,4.75,120,4.58,135,4.08,150,3.52,150.2,3.514775
8,41.6,4.69378,52,5.2,60,5.37,75,5.48,90,5.56,110,5.56,120,5.45,135,5,150,4.41,154.5,4.243366
10,39.9,5.096686,52,5.58,60,5.71,75,5.82,90,5.99,110,5.99,120,5.9,135,5.65,150,5.21,156.1,4.976735
12,39,5.249979,52,5.76,60,5.92,75,6.11,90,6.32,110,6.41,120,6.3,135,6.04,150,5.73,180,5.24
14,39.2,5.303606,52,5.83,60,6.05,75,6.34,90,6.53,110,6.78,120,6.68,135,6.42,150,6.08,180,5.7
16,39.9,5.331316,52,5.86,60,6.1,75,6.47,90,6.71,110,7.13,120,7.07,135,6.78,150,6.44,180,6.04
20,41.8,5.312042,52,5.79,60,6.09,75,6.55,90,7.01,110,7.61,120,7.99,135,7.65,150,7.15,180,6.71

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.43	4.65	4.83	4.79	4.75	4.58	4.08	3.52
8	5.2	5.37	5.48	5.56	5.56	5.45	5	4.41
10	5.58	5.71	5.82	5.99	5.99	5.9	5.65	5.21
12	5.76	5.92	6.11	6.32	6.41	6.3	6.04	5.73
14	5.83	6.05	6.34	6.53	6.78	6.68	6.42	6.08
16	5.86	6.1	6.47	6.71	7.13	7.07	6.78	6.44
20	5.79	6.09	6.55	7.01	7.61	7.99	7.65	7.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.5°	2.96	150.2°	3.05
8	41.6°	3.51	154.5°	3.83
10	39.9°	3.91	156.1°	4.55
12	39°	4.08	180°	5.24
14	39.2°	4.11	180°	5.7
16	39.9°	4.09	180°	6.04
20	41.8°	3.96	180°	6.71

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