ATHINA — ORC Rating | RegattaPages

GPH

681

OSN

660.3

LOA

12.75 m

Displacement

14088 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5794

Medium

0.7927

High

0.9523

Triple Offshore

Low

0.752

Medium

0.9993

High

1.153

Boat Specifications

Dimensions

Length overall: 12.75 m
Beam: 3.82 m
Draft: 1.96 m
Displacement: 14088 kg
Crew weight: 550 kg
Wetted surface: 38.79 m²

Sails

Mainsail: 34.51 m²
Genoa: 42.71 m²
Spinnaker: 132.19 m²
Asymmetric spinnaker: 113.28 m²

Design

Type: CAPE NORTH 43
Builder: CAPE YACHTS
Designer: BREWER
Year built: 1977

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.

6,45.8,4.087984,52,4.48,60,4.82,75,5.09,90,5.17,110,5.3,120,5.2,135,4.79,147,4.185195,150,4.06
8,43.5,4.769951,52,5.32,60,5.64,75,5.91,90,6.18,110,6.38,120,6.28,135,5.81,150,5.1,151,5.053625
10,42.8,5.315308,52,5.94,60,6.31,75,6.65,90,7.02,110,7.2,120,7.14,135,6.75,150,5.99,152,5.878039
12,43.1,5.806928,52,6.51,60,6.86,75,7.13,90,7.45,110,7.61,120,7.58,135,7.35,150,6.8,154,6.608856
14,43.9,6.300733,52,6.91,60,7.19,75,7.41,90,7.66,110,7.89,120,7.88,135,7.69,150,7.35,166,6.771132
16,44.2,6.597754,52,7.14,60,7.39,75,7.59,90,7.76,110,8.13,120,8.16,135,7.98,150,7.67,180,7.15
20,43.9,6.758716,52,7.32,60,7.58,75,7.87,90,8.02,110,8.47,120,8.67,135,8.58,150,8.21,180,7.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.48	4.82	5.09	5.17	5.3	5.2	4.79	4.06
8	5.32	5.64	5.91	6.18	6.38	6.28	5.81	5.1
10	5.94	6.31	6.65	7.02	7.2	7.14	6.75	5.99
12	6.51	6.86	7.13	7.45	7.61	7.58	7.35	6.8
14	6.91	7.19	7.41	7.66	7.89	7.88	7.69	7.35
16	7.14	7.39	7.59	7.76	8.13	8.16	7.98	7.67
20	7.32	7.58	7.87	8.02	8.47	8.67	8.58	8.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.85	147°	3.51
8	43.5°	3.46	151°	4.42
10	42.8°	3.9	152°	5.19
12	43.1°	4.24	154°	5.94
14	43.9°	4.54	166°	6.57
16	44.2°	4.73	180°	7.15
20	43.9°	4.87	180°	7.79

Loading polar chart…