ATENA — ORC Rating | RegattaPages

GPH

584.5

OSN

570.2

LOA

11.948 m

Displacement

6816 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7226

Medium

0.9385

High

1.0454

Triple Offshore

Low

0.9244

Medium

1.1468

High

1.251

Boat Specifications

Dimensions

Length overall: 11.948 m
Beam: 3.73 m
Draft: 2.37 m
Displacement: 6816 kg
Crew weight: 630 kg
Wetted surface: 30.23 m²

Sails

Mainsail: 43.74 m²
Genoa: 53.04 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 135.65 m²

Design

Type: Este 39
Builder: Cantieri d'Este
Designer: A.Vallicelli & C.
Year built: 1994
Stability index: 112.4

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.

6,42,5.395987,52,6.01,60,6.28,75,6.44,90,6.31,110,6.09,120,5.95,135,5.29,143.3,4.826787,150,4.46
8,39.6,6.1777,52,6.89,60,7.08,75,7.2,90,7.15,110,7.18,120,7.1,135,6.61,146.9,5.849219,150,5.65
10,38.2,6.540631,52,7.27,60,7.44,75,7.57,90,7.59,110,7.71,120,7.69,135,7.43,148.2,6.800859,150,6.68
12,37,6.673883,52,7.43,60,7.6,75,7.8,90,7.87,110,8.05,120,8.1,135,7.91,150,7.37,150.2,7.352217
14,36.6,6.763679,52,7.52,60,7.7,75,7.94,90,8.1,110,8.28,120,8.46,135,8.33,150,7.74,151.4,7.642517
16,36.4,6.8332,52,7.58,60,7.77,75,8.05,90,8.28,110,8.48,120,8.78,135,8.77,150,8.03,173.6,7.214964
20,36.6,6.900697,52,7.64,60,7.84,75,8.18,90,8.53,110,8.84,120,9.28,135,9.8,150,8.67,176.3,7.926522

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.01	6.28	6.44	6.31	6.09	5.95	5.29	4.46
8	6.89	7.08	7.2	7.15	7.18	7.1	6.61	5.65
10	7.27	7.44	7.57	7.59	7.71	7.69	7.43	6.68
12	7.43	7.6	7.8	7.87	8.05	8.1	7.91	7.37
14	7.52	7.7	7.94	8.1	8.28	8.46	8.33	7.74
16	7.58	7.77	8.05	8.28	8.48	8.78	8.77	8.03
20	7.64	7.84	8.18	8.53	8.84	9.28	9.8	8.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	4.01	143.3°	3.87
8	39.6°	4.76	146.9°	4.9
10	38.2°	5.14	148.2°	5.78
12	37°	5.33	150.2°	6.38
14	36.6°	5.43	151.4°	6.71
16	36.4°	5.5	173.6°	7.17
20	36.6°	5.54	176.3°	7.91

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