ATALANTA — ORC Rating

GPH

610.1

OSN

593.8

LOA

10.34 m

Displacement

3953 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6588

Medium

0.8975

High

1.0245

Triple Offshore

Low

0.8584

Medium

1.1109

High

1.248

Boat Specifications

Dimensions

Length overall: 10.34 m
Beam: 3.39 m
Draft: 1.99 m
Displacement: 3953 kg
Crew weight: 400 kg
Wetted surface: 21.85 m²

Sails

Mainsail: 32.54 m²
Genoa: 26.82 m²
Spinnaker: 88.85 m²
Asymmetric spinnaker: 93.32 m²

Design

Type: JPK 1030
Builder: JPK
Designer: JACQUES VALER
Year built: 2019
Stability index: 120.9

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.

6,43.2,4.595534,52,5.14,60,5.47,75,5.99,90,6.2,110,5.94,120,5.78,135,5.2,141.8,4.848211,150,4.4
8,41.8,5.52667,52,6.19,60,6.55,75,7,90,7.16,110,7.09,120,6.98,135,6.48,146.2,5.776281,150,5.54
10,40.6,6.190146,52,6.89,60,7.1,75,7.39,90,7.63,110,7.64,120,7.58,135,7.28,149.3,6.605786,150,6.56
12,39.4,6.431712,52,7.16,60,7.37,75,7.57,90,7.97,110,8.06,120,8.14,135,7.8,150,7.27,156.8,6.963066
14,39.6,6.58003,52,7.25,60,7.48,75,7.82,90,8.21,110,8.58,120,8.7,135,8.4,150,7.74,168.2,7.120474
16,39.4,6.612887,52,7.3,60,7.54,75,7.98,90,8.41,110,9.1,120,9.1,135,9.1,150,8.27,177.2,7.458905
20,39.4,6.755239,52,7.42,60,7.64,75,8.11,90,8.78,110,9.84,120,10.25,135,10.85,150,9.58,172.1,8.49058

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.14	5.47	5.99	6.2	5.94	5.78	5.2	4.4
8	6.19	6.55	7	7.16	7.09	6.98	6.48	5.54
10	6.89	7.1	7.39	7.63	7.64	7.58	7.28	6.56
12	7.16	7.37	7.57	7.97	8.06	8.14	7.8	7.27
14	7.25	7.48	7.82	8.21	8.58	8.7	8.4	7.74
16	7.3	7.54	7.98	8.41	9.1	9.1	9.1	8.27
20	7.42	7.64	8.11	8.78	9.84	10.25	10.85	9.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.35	141.8°	3.81
8	41.8°	4.12	146.2°	4.8
10	40.6°	4.7	149.3°	5.68
12	39.4°	4.97	156.8°	6.4
14	39.6°	5.07	168.2°	6.97
16	39.4°	5.11	177.2°	7.45
20	39.4°	5.22	172.1°	8.41

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