Suvihuvi — ORC Rating

GPH

624.5

OSN

609.2

LOA

11.676 m

Displacement

5600 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.663

Medium

0.8797

High

1.0023

Triple Offshore

Low

0.856

Medium

1.0773

High

1.1866

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: 25.27 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

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.

6,43,5.059112,52,5.61,60,5.88,75,6.06,90,5.96,110,5.66,120,5.49,135,4.92,137.8,4.75159,150,4.07
8,40.8,5.812455,52,6.46,60,6.67,75,6.82,90,6.78,110,6.74,120,6.61,135,6.08,148.5,5.24254,150,5.17
10,39.9,6.191626,52,6.85,60,7.04,75,7.18,90,7.21,110,7.28,120,7.23,135,6.91,149.9,6.17233,150,6.17
12,38.9,6.347631,52,7.03,60,7.21,75,7.4,90,7.48,110,7.62,120,7.61,135,7.39,150,6.94,157.8,6.599194
14,38.5,6.440004,52,7.12,60,7.3,75,7.55,90,7.69,110,7.9,120,7.95,135,7.76,150,7.38,170,6.813513
16,38.1,6.493548,52,7.18,60,7.36,75,7.64,90,7.86,110,8.09,120,8.26,135,8.13,150,7.75,178.1,7.193955
20,37.9,6.539227,52,7.24,60,7.45,75,7.79,90,8.1,110,8.4,120,8.75,135,8.91,150,8.49,178.8,7.901733
24,39,6.549606,52,7.24,60,7.47,75,7.87,90,8.28,110,8.61,120,9.15,135,10.12,150,9.42,178.2,8.614251

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.88	6.06	5.96	5.66	5.49	4.92	4.07
8	6.46	6.67	6.82	6.78	6.74	6.61	6.08	5.17
10	6.85	7.04	7.18	7.21	7.28	7.23	6.91	6.17
12	7.03	7.21	7.4	7.48	7.62	7.61	7.39	6.94
14	7.12	7.3	7.55	7.69	7.9	7.95	7.76	7.38
16	7.18	7.36	7.64	7.86	8.09	8.26	8.13	7.75
20	7.24	7.45	7.79	8.1	8.4	8.75	8.91	8.49
24	7.24	7.47	7.87	8.28	8.61	9.15	10.12	9.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.7	137.8°	3.52
8	40.8°	4.4	148.5°	4.47
10	39.9°	4.75	149.9°	5.34
12	38.9°	4.94	157.8°	6.11
14	38.5°	5.04	170°	6.71
16	38.1°	5.11	178.1°	7.19
20	37.9°	5.16	178.8°	7.9
24	39°	5.09	178.2°	8.61

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