ARCTOS — ORC Rating | RegattaPages

GPH

439

OSN

431.1

LOA

20.873 m

Displacement

10521 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8924

Medium

1.2106

High

1.4185

Triple Offshore

Low

1.1927

Medium

1.5385

High

1.7669

Boat Specifications

Dimensions

Length overall: 20.873 m
Beam: 4.62 m
Draft: 3.16 m
Displacement: 10521 kg
Crew weight: 1517 kg
Wetted surface: 52.27 m²

Sails

Mainsail: 92.66 m²
Genoa: 110.66 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 240.23 m²

Design

Type: Andrews70
Builder: DENCHO
Designer: ANDREWS
Year built: 1992
Stability index: 119.1

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.

6,45.6,6.989076,52,7.68,60,8.3,75,9.04,90,9.29,110,8.81,120,7.99,135,6.57,141.5,6.056671,150,5.48
8,43.2,8.107345,52,9.06,60,9.58,75,10.02,90,10.34,110,10.08,120,9.56,135,8.5,142.4,7.774934,150,7.11
10,41.8,8.665604,52,9.63,60,10.03,75,10.57,90,11.08,110,10.89,120,10.41,135,9.91,145.1,9.120262,150,8.64
12,40.5,8.929441,52,9.9,60,10.29,75,11.01,90,11.63,110,11.76,120,11.43,135,10.88,150,9.75,150.2,9.737654
14,40,9.098689,52,10.07,60,10.5,75,11.37,90,12.02,110,12.54,120,12.44,135,12.01,150,10.61,153.2,10.307132
16,39.4,9.175219,52,10.14,60,10.63,75,11.63,90,12.37,110,13.21,120,13.43,135,13.18,147.9,11.875504,150,11.62
20,38.8,9.379756,52,10.46,60,11.02,75,11.77,90,12.93,110,14.35,120,15.11,135,15.43,145.7,14.889269,150,14.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.68	8.3	9.04	9.29	8.81	7.99	6.57	5.48
8	9.06	9.58	10.02	10.34	10.08	9.56	8.5	7.11
10	9.63	10.03	10.57	11.08	10.89	10.41	9.91	8.64
12	9.9	10.29	11.01	11.63	11.76	11.43	10.88	9.75
14	10.07	10.5	11.37	12.02	12.54	12.44	12.01	10.61
16	10.14	10.63	11.63	12.37	13.21	13.43	13.18	11.62
20	10.46	11.02	11.77	12.93	14.35	15.11	15.43	14.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.6°	4.89	141.5°	4.74
8	43.2°	5.91	142.4°	6.16
10	41.8°	6.46	145.1°	7.48
12	40.5°	6.79	150.2°	8.45
14	40°	6.97	153.2°	9.2
16	39.4°	7.09	147.9°	10.06
20	38.8°	7.31	145.7°	12.3

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