Viuhti — ORC Rating | RegattaPages

GPH

653.3

OSN

636.3

LOA

10.546 m

Displacement

6362 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6236

Medium

0.8378

High

0.9584

Triple Offshore

Low

0.8057

Medium

1.0357

High

1.1478

Boat Specifications

Dimensions

Length overall: 10.546 m
Beam: 3.62 m
Draft: 1.74 m
Displacement: 6362 kg
Crew weight: 500 kg
Wetted surface: 27.16 m²

Sails

Mainsail: 32.01 m²
Genoa: 43.36 m²
Spinnaker: 86.71 m²
Asymmetric spinnaker: 0 m²

Design

Type: Ridas 35
Builder: Ridas Yacht
Designer: Lönngren
Year built: 1997

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.

6,43.5,4.521803,52,5.05,60,5.37,75,5.63,90,5.6,110,5.38,120,5.24,135,4.78,146,4.245887,150,4.07
8,42,5.288337,52,5.94,60,6.28,75,6.54,90,6.53,110,6.5,120,6.36,135,5.84,150,5.115323
10,42,5.920784,52,6.59,60,6.82,75,6.99,90,7.02,110,7.1,120,7.04,135,6.72,150,6,152,5.889364
12,42,6.284105,52,6.87,60,7.06,75,7.24,90,7.29,110,7.44,120,7.4,135,7.18,150,6.75,156,6.480247
14,41.2,6.379459,52,6.97,60,7.17,75,7.41,90,7.5,110,7.73,120,7.73,135,7.51,150,7.18,175,6.564982
16,40.9,6.403358,52,7.01,60,7.23,75,7.52,90,7.69,110,7.95,120,8.07,135,7.84,150,7.48,180,7.03
20,41.2,6.419331,52,7.02,60,7.25,75,7.6,90,8.01,110,8.27,120,8.61,135,8.6,150,8.14,180,7.64

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.05	5.37	5.63	5.6	5.38	5.24	4.78	4.07
8	5.94	6.28	6.54	6.53	6.5	6.36	5.84	5.11
10	6.59	6.82	6.99	7.02	7.1	7.04	6.72	6
12	6.87	7.06	7.24	7.29	7.44	7.4	7.18	6.75
14	6.97	7.17	7.41	7.5	7.73	7.73	7.51	7.18
16	7.01	7.23	7.52	7.69	7.95	8.07	7.84	7.48
20	7.02	7.25	7.6	8.01	8.27	8.61	8.6	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.28	146°	3.52
8	42°	3.93	150°	4.43
10	42°	4.4	152°	5.2
12	42°	4.67	156°	5.92
14	41.2°	4.8	175°	6.54
16	40.9°	4.84	180°	7.03
20	41.2°	4.83	180°	7.64

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