ATHINA — ORC Rating | RegattaPages

GPH

749

OSN

726.1

LOA

9.34 m

Displacement

4213 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5219

Medium

0.7202

High

0.8564

Triple Offshore

Low

0.6797

Medium

0.9123

High

1.0467

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.61 m
Displacement: 4213 kg
Crew weight: 400 kg
Wetted surface: 20.9 m²

Sails

Mainsail: 19.58 m²
Genoa: 27.93 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 58.06 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: JACOPIN & JACOPIN
Year built: 1990

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.

6,45.8,3.801108,52,4.16,60,4.46,75,4.67,90,4.65,110,4.72,120,4.55,135,4.1,145,3.698947,150,3.5
8,44.2,4.519392,52,5,60,5.31,75,5.57,90,5.67,110,5.78,120,5.59,135,5.1,146,4.631877,150,4.43
10,43.5,5.073242,52,5.64,60,5.97,75,6.21,90,6.4,110,6.48,120,6.37,135,5.97,145.5,5.472463,150,5.21
12,43.1,5.560408,52,6.13,60,6.36,75,6.54,90,6.76,110,6.85,120,6.78,135,6.53,146,6.127587,150,5.87
14,42,5.853502,52,6.4,60,6.59,75,6.76,90,7,110,7.16,120,7.1,135,6.87,149,6.358152,150,6.29
16,41.6,5.977549,52,6.53,60,6.73,75,6.94,90,7.13,110,7.48,120,7.43,135,7.18,150,6.62,172.5,6.06186
20,42,6.028435,52,6.58,60,6.82,75,7.2,90,7.42,110,7.99,120,8.09,135,7.82,150,7.11,178,6.71409

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.16	4.46	4.67	4.65	4.72	4.55	4.1	3.5
8	5	5.31	5.57	5.67	5.78	5.59	5.1	4.43
10	5.64	5.97	6.21	6.4	6.48	6.37	5.97	5.21
12	6.13	6.36	6.54	6.76	6.85	6.78	6.53	5.87
14	6.4	6.59	6.76	7	7.16	7.1	6.87	6.29
16	6.53	6.73	6.94	7.13	7.48	7.43	7.18	6.62
20	6.58	6.82	7.2	7.42	7.99	8.09	7.82	7.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.65	145°	3.03
8	44.2°	3.24	146°	3.84
10	43.5°	3.68	145.5°	4.51
12	43.1°	4.06	146°	5.08
14	42°	4.35	149°	5.45
16	41.6°	4.47	172.5°	6.01
20	42°	4.48	178°	6.71

Loading polar chart…