AROSA VI — ORC Rating

GPH

727.9

OSN

706.4

LOA

9.011 m

Displacement

3415 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.565

Medium

0.7625

High

0.8722

Triple Offshore

Low

0.722

Medium

0.9296

High

1.0342

Boat Specifications

Dimensions

Length overall: 9.011 m
Beam: 2.86 m
Draft: 1.72 m
Displacement: 3415 kg
Crew weight: 350 kg
Wetted surface: 19.44 m²

Sails

Mainsail: 20.05 m²
Genoa: 28.05 m²
Spinnaker: 64.78 m²
Asymmetric spinnaker: 0 m²

Design

Type: SIROCCO MK II
Builder: MISTRAL
Designer: A. PRIMROSE
Year built: 1975

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.

6,42,3.942704,52,4.44,60,4.67,75,4.84,90,4.78,110,4.89,120,4.75,135,4.35,148,3.844122,150,3.77
8,41.2,4.638398,52,5.23,60,5.49,75,5.67,90,5.74,110,5.86,120,5.75,135,5.34,150,4.7,151,4.653451
10,41.2,5.236473,52,5.79,60,5.95,75,6.08,90,6.22,110,6.32,120,6.26,135,6.03,150,5.52,153,5.387166
12,40.1,5.543053,52,6.05,60,6.19,75,6.32,90,6.42,110,6.65,120,6.61,135,6.41,150,6.09,166,5.606538
14,39.8,5.688004,52,6.2,60,6.35,75,6.52,90,6.57,110,6.95,120,6.96,135,6.74,150,6.42,180,5.99
16,39.4,5.719953,52,6.26,60,6.44,75,6.69,90,6.79,110,7.13,120,7.26,135,7.09,150,6.73,180,6.33
20,40.1,5.752225,52,6.28,60,6.49,75,6.87,90,7.14,110,7.37,120,7.62,135,7.68,150,7.35,180,6.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.44	4.67	4.84	4.78	4.89	4.75	4.35	3.77
8	5.23	5.49	5.67	5.74	5.86	5.75	5.34	4.7
10	5.79	5.95	6.08	6.22	6.32	6.26	6.03	5.52
12	6.05	6.19	6.32	6.42	6.65	6.61	6.41	6.09
14	6.2	6.35	6.52	6.57	6.95	6.96	6.74	6.42
16	6.26	6.44	6.69	6.79	7.13	7.26	7.09	6.73
20	6.28	6.49	6.87	7.14	7.37	7.62	7.68	7.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	2.93	148°	3.26
8	41.2°	3.49	151°	4.07
10	41.2°	3.94	153°	4.8
12	40.1°	4.24	166°	5.44
14	39.8°	4.37	180°	5.99
16	39.4°	4.42	180°	6.33
20	40.1°	4.4	180°	6.94

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