Blanke Arc ^2 — ORC Rating

GPH

572.2

OSN

558.8

LOA

12.2 m

Displacement

7945 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7002

Medium

0.9544

High

1.1029

Triple Offshore

Low

0.9204

Medium

1.1804

High

1.3251

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.88 m
Draft: 2.2 m
Displacement: 7945 kg
Crew weight: 827 kg
Wetted surface: 34.94 m²

Sails

Mainsail: 56.02 m²
Genoa: 41.49 m²
Spinnaker: 129.41 m²
Asymmetric spinnaker: 122.23 m²

Design

Type: Arcona 410
Builder: Arcona Yachts
Designer: Stefan Qviberg
Year built: 2011

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.

6,43.1,5.012584,52,5.72,60,6.2,75,6.72,90,6.87,110,6.5,120,6.1,135,5.41,143.5,4.93869,150,4.58
8,41.6,5.937432,52,6.83,60,7.27,75,7.63,90,7.73,110,7.52,120,7.24,135,6.65,148,5.860517,150,5.74
10,40.5,6.667491,52,7.41,60,7.67,75,8,90,8.16,110,8.01,120,7.91,135,7.56,150,6.76,150.5,6.72139
12,39,6.999972,52,7.73,60,7.92,75,8.19,90,8.5,110,8.45,120,8.37,135,8.06,150,7.55,156,7.235546
14,38.2,7.100529,52,7.86,60,8.07,75,8.34,90,8.76,110,8.88,120,8.88,135,8.51,150,8.03,170,7.351689
16,37.9,7.1602,52,7.92,60,8.14,75,8.52,90,8.96,110,9.26,120,9.4,135,9.03,150,8.44,180,7.8
20,37.9,7.312275,52,8.01,60,8.21,75,8.67,90,9.25,110,10.08,120,10.23,135,10.27,150,9.42,180,8.62

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.72	6.2	6.72	6.87	6.5	6.1	5.41	4.58
8	6.83	7.27	7.63	7.73	7.52	7.24	6.65	5.74
10	7.41	7.67	8	8.16	8.01	7.91	7.56	6.76
12	7.73	7.92	8.19	8.5	8.45	8.37	8.06	7.55
14	7.86	8.07	8.34	8.76	8.88	8.88	8.51	8.03
16	7.92	8.14	8.52	8.96	9.26	9.4	9.03	8.44
20	8.01	8.21	8.67	9.25	10.08	10.23	10.27	9.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.66	143.5°	3.97
8	41.6°	4.44	148°	4.97
10	40.5°	5.07	150.5°	5.85
12	39°	5.44	156°	6.61
14	38.2°	5.58	170°	7.24
16	37.9°	5.65	180°	7.8
20	37.9°	5.77	180°	8.62

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