ARCTURUS+ — ORC Rating

GPH

563.1

OSN

546

LOA

12.45 m

Displacement

7100 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7227

Medium

0.984

High

1.1305

Triple Offshore

Low

0.9316

Medium

1.2027

High

1.3491

Boat Specifications

Dimensions

Length overall: 12.45 m
Beam: 3.75 m
Draft: 2.56 m
Displacement: 7100 kg
Crew weight: 850 kg
Wetted surface: 33.15 m²

Sails

Mainsail: 57.29 m²
Genoa: 39.73 m²
Spinnaker: 149.4 m²
Asymmetric spinnaker: 0 m²

Design

Type: MAT 12
Builder: M.A.T
Designer: Mark Mills
Year built: 2006
Stability index: 140.8

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.

6,43,5.100131,52,5.71,60,6.05,75,6.34,90,6.27,110,6.36,120,6.22,135,5.63,143.4,5.131926,150,4.76
8,41.7,6.120769,52,6.86,60,7.16,75,7.38,90,7.45,110,7.6,120,7.5,135,6.98,146.2,6.221536,150,5.97
10,40.2,6.821193,52,7.54,60,7.74,75,7.88,90,7.88,110,8.18,120,8.13,135,7.82,150,7.07,150.2,7.064121
12,38.8,7.108598,52,7.82,60,8.01,75,8.21,90,8.24,110,8.54,120,8.65,135,8.33,150,7.81,156.8,7.485296
14,37.8,7.188463,52,7.94,60,8.16,75,8.47,90,8.59,110,8.83,120,9.14,135,8.88,150,8.29,166.4,7.685494
16,37.6,7.270069,52,8.01,60,8.25,75,8.68,90,8.95,110,9.1,120,9.49,135,9.51,150,8.81,177.2,7.989538
20,36.9,7.415423,52,8.15,60,8.37,75,8.88,90,9.5,110,9.59,120,10.15,135,11.11,150,10.03,175.4,8.948825

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.71	6.05	6.34	6.27	6.36	6.22	5.63	4.76
8	6.86	7.16	7.38	7.45	7.6	7.5	6.98	5.97
10	7.54	7.74	7.88	7.88	8.18	8.13	7.82	7.07
12	7.82	8.01	8.21	8.24	8.54	8.65	8.33	7.81
14	7.94	8.16	8.47	8.59	8.83	9.14	8.88	8.29
16	8.01	8.25	8.68	8.95	9.1	9.49	9.51	8.81
20	8.15	8.37	8.88	9.5	9.59	10.15	11.11	10.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.73	143.4°	4.12
8	41.7°	4.57	146.2°	5.17
10	40.2°	5.21	150.2°	6.13
12	38.8°	5.54	156.8°	6.88
14	37.8°	5.68	166.4°	7.47
16	37.6°	5.76	177.2°	7.98
20	36.9°	5.93	175.4°	8.92

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