Solo — ORC Rating | RegattaPages

GPH

748.6

OSN

729.3

LOA

7.4 m

Displacement

1641 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5574

Medium

0.7416

High

0.8222

Triple Offshore

Low

0.7138

Medium

0.8993

High

0.9843

Boat Specifications

Dimensions

Length overall: 7.4 m
Beam: 2.83 m
Draft: 1.53 m
Displacement: 1641 kg
Crew weight: 320 kg
Wetted surface: 12.91 m²

Sails

Mainsail: 19.84 m²
Genoa: 12.28 m²
Spinnaker: 30.95 m²
Asymmetric spinnaker: 0 m²

Design

Type: Fortuna-24
Builder: SailEx
Designer: Garry Terehoff
Year built: 1993

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.

6,42,3.95616,52,4.45,60,4.68,75,4.84,90,4.91,110,4.88,120,4.7,135,4.24,149,3.686562,150,3.65
8,41.4,4.652644,52,5.21,60,5.41,75,5.54,90,5.67,110,5.68,120,5.57,135,5.16,150,4.56,153,4.444412
10,40.1,5.098563,52,5.6,60,5.73,75,5.85,90,6.03,110,6.06,120,5.98,135,5.74,150,5.34,157,5.073303
12,38.8,5.260875,52,5.78,60,5.92,75,6.07,90,6.29,110,6.42,120,6.32,135,6.08,150,5.8,180,5.33
14,39.4,5.357603,52,5.85,60,6.03,75,6.27,90,6.44,110,6.77,120,6.69,135,6.43,150,6.12,180,5.78
16,39.8,5.362604,52,5.87,60,6.07,75,6.42,90,6.62,110,7.05,120,7.04,135,6.79,150,6.45,180,6.09
20,41.6,5.375783,52,5.84,60,6.05,75,6.5,90,6.94,110,7.34,120,7.63,135,7.51,150,7.12,180,6.73

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.45	4.68	4.84	4.91	4.88	4.7	4.24	3.65
8	5.21	5.41	5.54	5.67	5.68	5.57	5.16	4.56
10	5.6	5.73	5.85	6.03	6.06	5.98	5.74	5.34
12	5.78	5.92	6.07	6.29	6.42	6.32	6.08	5.8
14	5.85	6.03	6.27	6.44	6.77	6.69	6.43	6.12
16	5.87	6.07	6.42	6.62	7.05	7.04	6.79	6.45
20	5.84	6.05	6.5	6.94	7.34	7.63	7.51	7.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	2.94	149°	3.16
8	41.4°	3.49	153°	3.96
10	40.1°	3.9	157°	4.67
12	38.8°	4.1	180°	5.33
14	39.4°	4.14	180°	5.78
16	39.8°	4.12	180°	6.09
20	41.6°	4.02	180°	6.73

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