Suvihuvi — ORC Rating

GPH

627.3

OSN

611.5

LOA

11.676 m

Displacement

5600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6514

Medium

0.8744

High

0.9994

Triple Offshore

Low

0.8452

Medium

1.0763

High

1.1911

Boat Specifications

Dimensions

Length overall: 11.676 m
Beam: 3.13 m
Draft: 1.79 m
Displacement: 5600 kg
Crew weight: 450 kg
Wetted surface: 25.07 m²

Sails

Mainsail: 39.07 m²
Genoa: 40.21 m²
Spinnaker: 84.59 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sirena 38
Designer: Håkan Södergren
Year built: 1988
Stability index: 129.8

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.

6,43.2,4.856176,52,5.41,60,5.72,75,5.98,90,5.92,110,5.65,120,5.48,135,4.93,138.3,4.741252,150,4.09
8,42,5.718939,52,6.38,60,6.65,75,6.84,90,6.83,110,6.79,120,6.65,135,6.08,149.8,5.183537,150,5.17
10,41.8,6.264454,52,6.87,60,7.07,75,7.22,90,7.25,110,7.33,120,7.26,135,6.96,148.8,6.266336,150,6.19
12,40.5,6.430775,52,7.05,60,7.25,75,7.45,90,7.52,110,7.68,120,7.64,135,7.4,150,6.98,157.4,6.661538
14,39.6,6.489181,52,7.14,60,7.34,75,7.61,90,7.76,110,7.99,120,8.03,135,7.77,150,7.4,170,6.864284
16,39.4,6.548182,52,7.19,60,7.39,75,7.71,90,7.98,110,8.2,120,8.43,135,8.2,150,7.75,178.1,7.233977
20,39.1,6.610429,52,7.25,60,7.43,75,7.82,90,8.29,110,8.56,120,8.95,135,9.14,150,8.6,179,7.921206

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.41	5.72	5.98	5.92	5.65	5.48	4.93	4.09
8	6.38	6.65	6.84	6.83	6.79	6.65	6.08	5.17
10	6.87	7.07	7.22	7.25	7.33	7.26	6.96	6.19
12	7.05	7.25	7.45	7.52	7.68	7.64	7.4	6.98
14	7.14	7.34	7.61	7.76	7.99	8.03	7.77	7.4
16	7.19	7.39	7.71	7.98	8.2	8.43	8.2	7.75
20	7.25	7.43	7.82	8.29	8.56	8.95	9.14	8.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.54	138.3°	3.54
8	42°	4.25	149.8°	4.48
10	41.8°	4.67	148.8°	5.36
12	40.5°	4.89	157.4°	6.15
14	39.6°	5	170°	6.76
16	39.4°	5.06	178.1°	7.23
20	39.1°	5.13	179°	7.92

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