DANAI — ORC Rating | RegattaPages

GPH

774.7

OSN

748.2

LOA

9.34 m

Displacement

3300 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4971

Medium

0.6983

High

0.8272

Triple Offshore

Low

0.6502

Medium

0.8866

High

1.0201

Boat Specifications

Dimensions

Length overall: 9.34 m
Beam: 3.41 m
Draft: 1.51 m
Displacement: 3300 kg
Crew weight: 320 kg
Wetted surface: 19.2 m²

Sails

Mainsail: 18.18 m²
Genoa: 18.05 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 57.43 m²

Design

Type: ATLANTIC 31
Builder: ATLANTIC
Designer: J & J
Year built: 1990
Stability index: 103.6

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.

6,46,3.44054,52,3.76,60,4.02,75,4.2,90,4.61,110,4.71,120,4.53,135,4.07,144.8,3.67132,150,3.47
8,44.8,4.242001,52,4.67,60,4.94,75,5.18,90,5.65,110,5.77,120,5.61,135,5.15,145.2,4.700729,150,4.46
10,43.9,4.815758,52,5.31,60,5.59,75,5.87,90,6.31,110,6.44,120,6.34,135,5.99,145.7,5.532029,150,5.28
12,43,5.236864,52,5.79,60,6.04,75,6.27,90,6.66,110,6.83,120,6.79,135,6.53,146.4,6.111022,150,5.88
14,42,5.530551,52,6.11,60,6.34,75,6.55,90,6.85,110,7.14,120,7.14,135,6.92,148.4,6.387024,150,6.28
16,41.7,5.705575,52,6.29,60,6.51,75,6.75,90,6.96,110,7.42,120,7.47,135,7.27,150,6.61,173,5.974533
20,42.4,5.728173,52,6.36,60,6.63,75,7,90,7.19,110,7.88,120,8.24,135,8.01,150,7.15,176.3,6.66389

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.76	4.02	4.2	4.61	4.71	4.53	4.07	3.47
8	4.67	4.94	5.18	5.65	5.77	5.61	5.15	4.46
10	5.31	5.59	5.87	6.31	6.44	6.34	5.99	5.28
12	5.79	6.04	6.27	6.66	6.83	6.79	6.53	5.88
14	6.11	6.34	6.55	6.85	7.14	7.14	6.92	6.28
16	6.29	6.51	6.75	6.96	7.42	7.47	7.27	6.61
20	6.36	6.63	7	7.19	7.88	8.24	8.01	7.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46°	2.39	144.8°	3
8	44.8°	3.01	145.2°	3.86
10	43.9°	3.47	145.7°	4.57
12	43°	3.83	146.4°	5.09
14	42°	4.11	148.4°	5.44
16	41.7°	4.26	173°	5.93
20	42.4°	4.23	176.3°	6.65

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