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

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind 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

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt24 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	7.76	9.17	9.89	10.24	10.47	10.64	10.88	11.01
60°	8.24	9.62	10.27	10.60	10.83	11.02	11.31	11.48
75°	8.61	9.92	10.59	11.04	11.35	11.61	12.03	12.32
90°	8.46	9.87	10.58	11.13	11.64	12.07	12.73	13.28
110°	8.21	9.81	10.69	11.40	12.06	12.61	13.55	14.39
120°	7.79	9.48	10.53	11.29	12.01	12.81	14.39	15.73
135°	6.89	8.71	10.02	10.87	11.70	12.62	14.71	16.50
150°	5.74	7.35	8.75	9.86	10.67	11.39	13.17	15.75