DANAI — ORC Rating | RegattaPages

GPH

773.8

OSN

744.9

LOA

9.34 m

Displacement

3300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4922

Medium

0.7033

High

0.8561

Triple Offshore

Low

0.6431

Medium

0.8892

High

1.0424

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.53 m
Displacement: 3300 kg
Crew weight: 320 kg
Wetted surface: 18.95 m²

Sails

Mainsail: 18.18 m²
Genoa: 18.05 m²
Spinnaker: 53.62 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: J & J
Year built: 1990
Stability index: 104.6

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.

6,46.5,3.413938,52,3.71,60,3.99,75,4.19,90,4.52,110,4.64,120,4.49,135,4.05,147.1,3.584956,150,3.48
8,45.4,4.187121,52,4.58,60,4.88,75,5.12,90,5.58,110,5.75,120,5.59,135,5.11,150,4.49,150.2,4.482778
10,44.4,4.730762,52,5.22,60,5.56,75,5.86,90,6.34,110,6.48,120,6.39,135,6.01,150,5.37,152,5.277776
12,44.2,5.244726,52,5.78,60,6.09,75,6.33,90,6.72,110,6.89,120,6.83,135,6.58,150,6.13,155.9,5.871822
14,43.5,5.638468,52,6.18,60,6.41,75,6.61,90,6.9,110,7.25,120,7.22,135,6.96,150,6.61,166.4,6.131933
16,43,5.852162,52,6.38,60,6.6,75,6.83,90,7.02,110,7.58,120,7.6,135,7.36,150,6.97,177.2,6.45771
20,44.2,5.942163,52,6.44,60,6.72,75,7.15,90,7.37,110,7.96,120,8.32,135,8.16,150,7.7,178.1,7.143928

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.71	3.99	4.19	4.52	4.64	4.49	4.05	3.48
8	4.58	4.88	5.12	5.58	5.75	5.59	5.11	4.49
10	5.22	5.56	5.86	6.34	6.48	6.39	6.01	5.37
12	5.78	6.09	6.33	6.72	6.89	6.83	6.58	6.13
14	6.18	6.41	6.61	6.9	7.25	7.22	6.96	6.61
16	6.38	6.6	6.83	7.02	7.58	7.6	7.36	6.97
20	6.44	6.72	7.15	7.37	7.96	8.32	8.16	7.7

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.5°	2.35	147.1°	3.01
8	45.4°	2.94	150.2°	3.89
10	44.4°	3.38	152°	4.66
12	44.2°	3.76	155.9°	5.36
14	43.5°	4.09	166.4°	5.96
16	43°	4.28	177.2°	6.45
20	44.2°	4.26	178.1°	7.14

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