ARCTOS — ORC Rating | RegattaPages

GPH

444.1

OSN

435.1

LOA

20.873 m

Displacement

10522 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8867

Medium

1.1999

High

1.3995

Triple Offshore

Low

1.1762

Medium

1.5242

High

1.7438

Boat Specifications

Dimensions

Length overall: 20.873 m
Beam: 4.62 m
Draft: 3.16 m
Displacement: 10522 kg
Crew weight: 1517 kg
Wetted surface: 51.9 m²

Sails

Mainsail: 92.66 m²
Genoa: 112.04 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 242.5 m²

Design

Type: Andrews70
Builder: DENCHO
Designer: ANDREWS
Year built: 1992

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.

6,45,6.915504,52,7.67,60,8.29,75,8.88,90,8.9,110,8.05,120,7.55,135,6.52,141,6.034902,150,5.42
8,43.1,8.0667,52,9.04,60,9.56,75,10,90,10.08,110,9.75,120,9.4,135,8.42,141.8,7.736778,150,7.02
10,41.6,8.61195,52,9.6,60,10,75,10.53,90,10.84,110,10.66,120,10.37,135,9.83,144.5,9.040486,150,8.5
12,40.5,8.889988,52,9.87,60,10.25,75,10.92,90,11.46,110,11.59,120,11.36,135,10.75,150,9.618655
14,39.8,9.020108,52,10.03,60,10.44,75,11.19,90,11.88,110,12.33,120,12.35,135,11.83,150,10.55,155,10.051773
16,39.8,9.150268,52,10.08,60,10.55,75,11.4,90,12.2,110,12.92,120,13.32,135,12.94,150,11.41,150.5,11.36317
20,39,9.290404,52,10.36,60,10.91,75,11.65,90,12.63,110,14.09,120,15.01,135,15.22,146.8,14.2573,150,13.78

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.67	8.29	8.88	8.9	8.05	7.55	6.52	5.42
8	9.04	9.56	10	10.08	9.75	9.4	8.42	7.02
10	9.6	10	10.53	10.84	10.66	10.37	9.83	8.5
12	9.87	10.25	10.92	11.46	11.59	11.36	10.75	9.62
14	10.03	10.44	11.19	11.88	12.33	12.35	11.83	10.55
16	10.08	10.55	11.4	12.2	12.92	13.32	12.94	11.41
20	10.36	10.91	11.65	12.63	14.09	15.01	15.22	13.78

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45°	4.89	141°	4.69
8	43.1°	5.89	141.8°	6.08
10	41.6°	6.44	144.5°	7.36
12	40.5°	6.76	150°	8.33
14	39.8°	6.93	155°	9.11
16	39.8°	7.03	150.5°	9.89
20	39°	7.22	146.8°	11.93

Loading polar chart…