Blanke Arc ^2 — ORC Rating

GPH

574.9

OSN

560.9

LOA

12.2 m

Displacement

8003 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7816

Medium

1.0691

High

1.2389

Triple Offshore

Low

1.026

Medium

1.3237

High

1.488

Boat Specifications

Dimensions

Length overall: 12.2 m
Beam: 3.88 m
Draft: 2.2 m
Displacement: 8003 kg
Crew weight: 830 kg
Wetted surface: 35.02 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.

6,43.1,4.971498,52,5.57,60,5.97,75,6.66,90,6.91,110,6.46,120,5.96,135,5.37,143.5,4.88893,150,4.54
8,41.6,5.897314,52,6.63,60,7.12,75,7.64,90,7.76,110,7.42,120,7.2,135,6.6,147.7,5.832512,150,5.69
10,40.8,6.657903,52,7.38,60,7.62,75,8.01,90,8.17,110,7.99,120,7.89,135,7.53,150,6.72,150.5,6.686921
12,39.2,7.006954,52,7.72,60,7.91,75,8.19,90,8.51,110,8.42,120,8.35,135,8.05,150,7.52,155.6,7.225341
14,38.2,7.100529,52,7.85,60,8.06,75,8.33,90,8.75,110,8.85,120,8.85,135,8.49,150,8.01,168.6,7.365309
16,38,7.169953,52,7.92,60,8.14,75,8.51,90,8.94,110,9.28,120,9.36,135,9,150,8.42,180,7.78
20,38.1,7.332245,52,8,60,8.21,75,8.67,90,9.23,110,9.98,120,10.19,135,10.2,150,9.38,180,8.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.97	6.66	6.91	6.46	5.96	5.37	4.54
8	6.63	7.12	7.64	7.76	7.42	7.2	6.6	5.69
10	7.38	7.62	8.01	8.17	7.99	7.89	7.53	6.72
12	7.72	7.91	8.19	8.51	8.42	8.35	8.05	7.52
14	7.85	8.06	8.33	8.75	8.85	8.85	8.49	8.01
16	7.92	8.14	8.51	8.94	9.28	9.36	9	8.42
20	8	8.21	8.67	9.23	9.98	10.19	10.2	9.38

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.63	143.5°	3.93
8	41.6°	4.41	147.7°	4.93
10	40.8°	5.04	150.5°	5.82
12	39.2°	5.43	155.6°	6.58
14	38.2°	5.58	168.6°	7.22
16	38°	5.65	180°	7.78
20	38.1°	5.77	180°	8.59

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