ATALANTA II — ORC Rating

GPH

433.8

OSN

422.7

LOA

21.513 m

Displacement

24531 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.926

Medium

1.2469

High

1.4472

Triple Offshore

Low

1.2071

Medium

1.5591

High

1.7783

Boat Specifications

Dimensions

Length overall: 21.513 m
Beam: 4.85 m
Draft: 3.72 m
Displacement: 24531 kg
Crew weight: 1360 kg
Wetted surface: 79.37 m²

Sails

Mainsail: 172.22 m²
Genoa: 110.72 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 417.63 m²

Design

Type: Farr 70 racer mod.
Builder: Goetz
Designer: Farr/Felci
Year built: 2004

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.

6,43.9,6.994646,52,7.76,60,8.24,75,8.61,90,8.46,110,8.21,120,7.79,135,6.89,140.8,6.413363,150,5.74
8,41.5,8.171378,52,9.17,60,9.62,75,9.92,90,9.87,110,9.81,120,9.48,135,8.71,142.5,8.029209,150,7.35
10,40,8.785391,52,9.89,60,10.27,75,10.59,90,10.58,110,10.69,120,10.53,135,10.02,145.9,9.153922,150,8.75
12,39.1,9.136052,52,10.24,60,10.6,75,11.04,90,11.13,110,11.4,120,11.29,135,10.87,150,9.86,150.7,9.804267
14,38.9,9.41865,52,10.47,60,10.83,75,11.35,90,11.64,110,12.06,120,12.01,135,11.7,150,10.67,152.3,10.46992
16,38.3,9.569605,52,10.64,60,11.02,75,11.61,90,12.07,110,12.61,120,12.81,135,12.62,150,11.39,150.3,11.362701
20,37.6,9.769155,52,10.88,60,11.31,75,12.03,90,12.73,110,13.55,120,14.39,135,14.71,146.5,13.682928,150,13.17
24,38,9.860272,52,11.01,60,11.48,75,12.32,90,13.28,110,14.39,120,15.73,135,16.5,145.6,16.543179,150,15.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.76	8.24	8.61	8.46	8.21	7.79	6.89	5.74
8	9.17	9.62	9.92	9.87	9.81	9.48	8.71	7.35
10	9.89	10.27	10.59	10.58	10.69	10.53	10.02	8.75
12	10.24	10.6	11.04	11.13	11.4	11.29	10.87	9.86
14	10.47	10.83	11.35	11.64	12.06	12.01	11.7	10.67
16	10.64	11.02	11.61	12.07	12.61	12.81	12.62	11.39
20	10.88	11.31	12.03	12.73	13.55	14.39	14.71	13.17
24	11.01	11.48	12.32	13.28	14.39	15.73	16.5	15.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	5.04	140.8°	4.97
8	41.5°	6.12	142.5°	6.37
10	40°	6.73	145.9°	7.58
12	39.1°	7.09	150.7°	8.55
14	38.9°	7.33	152.3°	9.27
16	38.3°	7.51	150.3°	9.87
20	37.6°	7.74	146.5°	11.41
24	38°	7.77	145.6°	13.65

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