IONIA — ORC Rating | RegattaPages

GPH

583.2

OSN

566.9

LOA

12.903 m

Displacement

8468 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.779

Medium

1.0604

High

1.2261

Triple Offshore

Low

1.0074

Medium

1.3085

High

1.4657

Boat Specifications

Dimensions

Length overall: 12.903 m
Beam: 3.95 m
Draft: 2.5 m
Displacement: 8468 kg
Crew weight: 740 kg
Wetted surface: 35.14 m²

Sails

Mainsail: 53.96 m²
Genoa: 44.17 m²
Spinnaker: 119.22 m²
Asymmetric spinnaker: 110.56 m²

Design

Type: X-43
Builder: X YACHTS
Designer: JEPPESEN
Year built: 2003

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.

6,42.5,5.018464,52,5.63,60,5.95,75,6.22,90,6.16,110,6.03,120,5.84,135,5.25,142,4.84765,150,4.42
8,40.8,5.918136,52,6.69,60,7,75,7.24,90,7.22,110,7.29,120,7.1,135,6.48,148,5.68364,150,5.56
10,40,6.618415,52,7.39,60,7.61,75,7.78,90,7.85,110,7.95,120,7.85,135,7.45,150,6.581793
12,39.1,6.945461,52,7.7,60,7.89,75,8.08,90,8.12,110,8.35,120,8.29,135,8,150,7.42,154.7,7.178548
14,38.2,7.02418,52,7.81,60,8.02,75,8.29,90,8.4,110,8.72,120,8.72,135,8.41,150,7.96,165.2,7.38501
16,38.2,7.100529,52,7.87,60,8.09,75,8.44,90,8.67,110,8.97,120,9.17,135,8.86,150,8.35,180,7.73
20,37.7,7.204032,52,7.95,60,8.15,75,8.56,90,9.08,110,9.39,120,9.81,135,9.9,150,9.22,180,8.51

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.63	5.95	6.22	6.16	6.03	5.84	5.25	4.42
8	6.69	7	7.24	7.22	7.29	7.1	6.48	5.56
10	7.39	7.61	7.78	7.85	7.95	7.85	7.45	6.58
12	7.7	7.89	8.08	8.12	8.35	8.29	8	7.42
14	7.81	8.02	8.29	8.4	8.72	8.72	8.41	7.96
16	7.87	8.09	8.44	8.67	8.97	9.17	8.86	8.35
20	7.95	8.15	8.56	9.08	9.39	9.81	9.9	9.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.7	142°	3.82
8	40.8°	4.48	148°	4.82
10	40°	5.07	150°	5.7
12	39.1°	5.39	154.7°	6.49
14	38.2°	5.52	165.2°	7.14
16	38.2°	5.58	180°	7.73
20	37.7°	5.7	180°	8.51

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