FORTUNA III — ORC Rating

GPH

473.8

OSN

462.5

LOA

18.35 m

Displacement

15528 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8662

Medium

1.1437

High

1.3191

Triple Offshore

Low

1.1222

Medium

1.42

High

1.5958

Boat Specifications

Dimensions

Length overall: 18.35 m
Beam: 4.45 m
Draft: 3.62 m
Displacement: 15528 kg
Crew weight: 1300 kg
Wetted surface: 56.07 m²

Sails

Mainsail: 117.6 m²
Genoa: 85.94 m²
Spinnaker: 232.61 m²
Asymmetric spinnaker: 228.02 m²

Design

Type: FRERS 60
Builder: AST. ARA
Designer: GERMAN FRERS
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.

6,42.6,6.615975,52,7.38,60,7.78,75,8.07,90,7.93,110,7.35,120,7.09,135,6.32,141.1,5.859351,150,5.26
8,40.1,7.582478,52,8.54,60,8.88,75,9.13,90,9.05,110,8.82,120,8.65,135,7.91,142.2,7.327676,150,6.69
10,38.5,8.02445,52,9.04,60,9.35,75,9.63,90,9.66,110,9.63,120,9.57,135,9.07,146.4,8.200055,150,7.89
12,37.7,8.290957,52,9.3,60,9.59,75,9.95,90,10.09,110,10.16,120,10.2,135,9.79,150,8.89,151.3,8.778469
14,37.2,8.449149,52,9.47,60,9.75,75,10.16,90,10.46,110,10.52,120,10.8,135,10.44,150,9.6,157.4,9.142013
16,37.1,8.613514,52,9.59,60,9.88,75,10.34,90,10.76,110,10.86,120,11.29,135,11.16,150,10.2,164.2,9.436531
20,36.9,8.77846,52,9.75,60,10.06,75,10.63,90,11.22,110,11.67,120,12.17,135,12.96,150,11.64,171.3,10.359194
24,37.7,8.796503,52,9.78,60,10.14,75,10.77,90,11.57,110,12.57,120,12.78,135,14.82,149.6,13.704131,150,13.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.38	7.78	8.07	7.93	7.35	7.09	6.32	5.26
8	8.54	8.88	9.13	9.05	8.82	8.65	7.91	6.69
10	9.04	9.35	9.63	9.66	9.63	9.57	9.07	7.89
12	9.3	9.59	9.95	10.09	10.16	10.2	9.79	8.89
14	9.47	9.75	10.16	10.46	10.52	10.8	10.44	9.6
16	9.59	9.88	10.34	10.76	10.86	11.29	11.16	10.2
20	9.75	10.06	10.63	11.22	11.67	12.17	12.96	11.64
24	9.78	10.14	10.77	11.57	12.57	12.78	14.82	13.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	4.87	141.1°	4.56
8	40.1°	5.8	142.2°	5.79
10	38.5°	6.28	146.4°	6.83
12	37.7°	6.56	151.3°	7.7
14	37.2°	6.73	157.4°	8.44
16	37.1°	6.87	164.2°	9.08
20	36.9°	7.02	171.3°	10.24
24	37.7°	6.96	149.6°	11.82

Loading polar chart…