DANAI — ORC Rating | RegattaPages

GPH

744.8

OSN

718.1

LOA

9.34 m

Displacement

3300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5833

Medium

0.8263

High

0.9908

Triple Offshore

Low

0.7586

Medium

1.0371

High

1.2008

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.53 m
Displacement: 3300 kg
Crew weight: 400 kg
Wetted surface: 19.35 m²

Sails

Mainsail: 18.17 m²
Genoa: 25.52 m²
Spinnaker: 64.24 m²
Asymmetric spinnaker: 0 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: J & J
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.

6,45.3,3.611059,52,3.97,60,4.26,75,4.49,90,4.59,110,4.76,120,4.62,135,4.19,147.2,3.687989,150,3.58
8,44.1,4.37249,52,4.85,60,5.16,75,5.43,90,5.68,110,5.87,120,5.73,135,5.25,149.9,4.588792,150,4.58
10,43.8,5.001661,52,5.55,60,5.89,75,6.14,90,6.43,110,6.56,120,6.48,135,6.15,150,5.48,151.1,5.425691
12,43.8,5.555862,52,6.1,60,6.35,75,6.53,90,6.78,110,6.96,120,6.9,135,6.67,150,6.23,156,5.965768
14,42.6,5.855206,52,6.39,60,6.59,75,6.79,90,6.94,110,7.33,120,7.3,135,7.04,150,6.68,174.4,6.089061
16,42.3,5.989472,52,6.53,60,6.74,75,6.99,90,7.09,110,7.66,120,7.69,135,7.43,150,7.02,180,6.54
20,43.2,6.035925,52,6.55,60,6.82,75,7.28,90,7.54,110,8,120,8.4,135,8.23,150,7.73,180,7.21

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.97	4.26	4.49	4.59	4.76	4.62	4.19	3.58
8	4.85	5.16	5.43	5.68	5.87	5.73	5.25	4.58
10	5.55	5.89	6.14	6.43	6.56	6.48	6.15	5.48
12	6.1	6.35	6.53	6.78	6.96	6.9	6.67	6.23
14	6.39	6.59	6.79	6.94	7.33	7.3	7.04	6.68
16	6.53	6.74	6.99	7.09	7.66	7.69	7.43	7.02
20	6.55	6.82	7.28	7.54	8	8.4	8.23	7.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.3°	2.54	147.2°	3.1
8	44.1°	3.14	149.9°	3.97
10	43.8°	3.61	151.1°	4.75
12	43.8°	4.01	156°	5.45
14	42.6°	4.31	174.4°	6.06
16	42.3°	4.43	180°	6.54
20	43.2°	4.4	180°	7.21

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