IONIA — ORC Rating | RegattaPages

GPH

585.2

OSN

567

LOA

12.903 m

Displacement

8468 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6934

Medium

0.9432

High

1.0844

Triple Offshore

Low

0.8923

Medium

1.16

High

1.2965

Boat Specifications

Dimensions

Length overall: 12.903 m
Beam: 3.95 m
Draft: 2.5 m
Displacement: 8468 kg
Crew weight: 760 kg
Wetted surface: 34.92 m²

Sails

Mainsail: 50.81 m²
Genoa: 44.17 m²
Spinnaker: 118.98 m²
Asymmetric spinnaker: 110.56 m²

Design

Type: X-43
Builder: X YACHTS
Designer: JEPPESEN
Year built: 2003
Stability index: 121.3

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.

6,42.6,5.094437,52,5.7,60,5.99,75,6.18,90,6.05,110,5.91,120,5.73,135,5.15,141.2,4.798945,150,4.32
8,40.6,6.018929,52,6.73,60,6.99,75,7.16,90,7.08,110,7.15,120,7,135,6.42,147.8,5.660646,150,5.53
10,39.3,6.60343,52,7.36,60,7.57,75,7.72,90,7.73,110,7.87,120,7.79,135,7.38,150,6.57,151.1,6.499407
12,38.4,6.864929,52,7.65,60,7.86,75,8.05,90,8.08,110,8.32,120,8.27,135,7.98,150,7.4,155.4,7.115863
14,37.8,6.973315,52,7.78,60,8,75,8.27,90,8.37,110,8.69,120,8.7,135,8.43,150,7.96,162.8,7.453325
16,37.6,7.042879,52,7.86,60,8.08,75,8.41,90,8.62,110,8.98,120,9.12,135,8.88,150,8.39,175.4,7.71485
20,37.8,7.099873,52,7.92,60,8.16,75,8.58,90,8.99,110,9.39,120,9.87,135,9.85,150,9.25,178.4,8.523323

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.7	5.99	6.18	6.05	5.91	5.73	5.15	4.32
8	6.73	6.99	7.16	7.08	7.15	7	6.42	5.53
10	7.36	7.57	7.72	7.73	7.87	7.79	7.38	6.57
12	7.65	7.86	8.05	8.08	8.32	8.27	7.98	7.4
14	7.78	8	8.27	8.37	8.69	8.7	8.43	7.96
16	7.86	8.08	8.41	8.62	8.98	9.12	8.88	8.39
20	7.92	8.16	8.58	8.99	9.39	9.87	9.85	9.25

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.75	141.2°	3.74
8	40.6°	4.57	147.8°	4.79
10	39.3°	5.11	151.1°	5.69
12	38.4°	5.38	155.4°	6.47
14	37.8°	5.51	162.8°	7.12
16	37.6°	5.58	175.4°	7.69
20	37.8°	5.61	178.4°	8.52

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