Viuhti — ORC Rating | RegattaPages

GPH

649.6

OSN

631.9

LOA

10.594 m

Displacement

6387 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6317

Medium

0.8449

High

0.9603

Triple Offshore

Low

0.814

Medium

1.0409

High

1.1481

Boat Specifications

Dimensions

Length overall: 10.594 m
Beam: 3.4 m
Draft: 1.74 m
Displacement: 6387 kg
Crew weight: 500 kg
Wetted surface: 26.57 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
Stability index: 113.5

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.

6,44.2,4.700726,52,5.2,60,5.5,75,5.71,90,5.62,110,5.39,120,5.24,135,4.74,145.1,4.243117,150,4.02
8,42,5.463269,52,6.09,60,6.35,75,6.54,90,6.5,110,6.48,120,6.35,135,5.86,149.6,5.13615,150,5.12
10,41.1,5.958357,52,6.61,60,6.82,75,6.99,90,7.01,110,7.1,120,7.04,135,6.7,150,6.04,152.9,5.886233
12,40.6,6.176975,52,6.85,60,7.06,75,7.25,90,7.3,110,7.46,120,7.44,135,7.21,150,6.76,157.7,6.420166
14,40.5,6.312418,52,6.95,60,7.17,75,7.42,90,7.53,110,7.74,120,7.77,135,7.57,150,7.22,169.4,6.65354
16,40.2,6.349863,52,7.01,60,7.23,75,7.52,90,7.71,110,7.95,120,8.06,135,7.91,150,7.56,177.2,7.038403
20,40.5,6.378172,52,7.05,60,7.28,75,7.64,90,7.97,110,8.23,120,8.55,135,8.59,150,8.21,179,7.691171

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.5	5.71	5.62	5.39	5.24	4.74	4.02
8	6.09	6.35	6.54	6.5	6.48	6.35	5.86	5.12
10	6.61	6.82	6.99	7.01	7.1	7.04	6.7	6.04
12	6.85	7.06	7.25	7.3	7.46	7.44	7.21	6.76
14	6.95	7.17	7.42	7.53	7.74	7.77	7.57	7.22
16	7.01	7.23	7.52	7.71	7.95	8.06	7.91	7.56
20	7.05	7.28	7.64	7.97	8.23	8.55	8.59	8.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.37	145.1°	3.48
8	42°	4.06	149.6°	4.43
10	41.1°	4.49	152.9°	5.24
12	40.6°	4.69	157.7°	5.94
14	40.5°	4.8	169.4°	6.54
16	40.2°	4.85	177.2°	7.03
20	40.5°	4.85	179°	7.69

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