Suvihuvi — ORC Rating

GPH

628.5

OSN

613.3

LOA

11.62 m

Displacement

5600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6506

Medium

0.8721

High

0.9963

Triple Offshore

Low

0.8437

Medium

1.0736

High

1.1884

Boat Specifications

Dimensions

Length overall: 11.62 m
Beam: 3.13 m
Draft: 1.79 m
Displacement: 5600 kg
Crew weight: 450 kg
Wetted surface: 25.42 m²

Sails

Mainsail: 36.57 m²
Genoa: 40.21 m²
Spinnaker: 84.59 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sirena 38
Designer: Håkan Södergren
Year built: 1988

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.

6,42.8,4.824664,52,5.4,60,5.7,75,5.96,90,5.91,110,5.63,120,5.47,135,4.92,138.5,4.739933,150,4.09
8,41.6,5.656607,52,6.35,60,6.62,75,6.81,90,6.81,110,6.76,120,6.63,135,6.07,150,5.149964
10,41.6,6.245001,52,6.86,60,7.05,75,7.2,90,7.23,110,7.31,120,7.24,135,6.94,149,6.218156,150,6.15
12,40.1,6.392814,52,7.05,60,7.25,75,7.43,90,7.5,110,7.65,120,7.61,135,7.38,150,6.95,157,6.637662
14,39.8,6.508014,52,7.14,60,7.34,75,7.6,90,7.72,110,7.97,120,7.99,135,7.73,150,7.36,176,6.746434
16,39.2,6.5295,52,7.19,60,7.39,75,7.7,90,7.94,110,8.17,120,8.38,135,8.13,150,7.7,180,7.21
20,39,6.549606,52,7.21,60,7.42,75,7.81,90,8.26,110,8.53,120,8.9,135,9.02,150,8.48,180,7.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.4	5.7	5.96	5.91	5.63	5.47	4.92	4.09
8	6.35	6.62	6.81	6.81	6.76	6.63	6.07	5.15
10	6.86	7.05	7.2	7.23	7.31	7.24	6.94	6.15
12	7.05	7.25	7.43	7.5	7.65	7.61	7.38	6.95
14	7.14	7.34	7.6	7.72	7.97	7.99	7.73	7.36
16	7.19	7.39	7.7	7.94	8.17	8.38	8.13	7.7
20	7.21	7.42	7.81	8.26	8.53	8.9	9.02	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.54	138.5°	3.55
8	41.6°	4.23	150°	4.46
10	41.6°	4.67	149°	5.33
12	40.1°	4.89	157°	6.11
14	39.8°	5	176°	6.73
16	39.2°	5.06	180°	7.21
20	39°	5.09	180°	7.88

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