IONIA — ORC Rating | RegattaPages

GPH

585.1

OSN

569.1

LOA

12.903 m

Displacement

8468 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6924

Medium

0.9378

High

1.0802

Triple Offshore

Low

0.8949

Medium

1.1586

High

1.2931

Boat Specifications

Dimensions

Length overall: 12.903 m
Beam: 3.95 m
Draft: 2.5 m
Displacement: 8468 kg
Crew weight: 550 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.

6,42.8,5.029099,52,5.62,60,5.93,75,6.19,90,6.14,110,6.03,120,5.84,135,5.26,142,4.86034,150,4.42
8,40.9,5.913845,52,6.68,60,6.99,75,7.23,90,7.21,110,7.28,120,7.1,135,6.49,148,5.68364,150,5.57
10,40.3,6.595265,52,7.36,60,7.6,75,7.77,90,7.83,110,7.94,120,7.85,135,7.46,150,6.59334
12,39.4,6.88465,52,7.65,60,7.86,75,8.06,90,8.11,110,8.34,120,8.29,135,8,150,7.43,155,7.171956
14,39,6.999972,52,7.75,60,7.98,75,8.26,90,8.38,110,8.66,120,8.71,135,8.41,150,7.97,166,7.368887
16,38.6,7.024768,52,7.81,60,8.03,75,8.38,90,8.63,110,8.89,120,9.13,135,8.87,150,8.35,180,7.74
20,38.4,7.158411,52,7.9,60,8.1,75,8.49,90,9.01,110,9.27,120,9.7,135,9.9,150,9.24,180,8.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	5.93	6.19	6.14	6.03	5.84	5.26	4.42
8	6.68	6.99	7.23	7.21	7.28	7.1	6.49	5.57
10	7.36	7.6	7.77	7.83	7.94	7.85	7.46	6.59
12	7.65	7.86	8.06	8.11	8.34	8.29	8	7.43
14	7.75	7.98	8.26	8.38	8.66	8.71	8.41	7.97
16	7.81	8.03	8.38	8.63	8.89	9.13	8.87	8.35
20	7.9	8.1	8.49	9.01	9.27	9.7	9.9	9.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.69	142°	3.83
8	40.9°	4.47	148°	4.82
10	40.3°	5.03	150°	5.71
12	39.4°	5.32	155°	6.5
14	39°	5.44	166°	7.15
16	38.6°	5.49	180°	7.74
20	38.4°	5.61	180°	8.52

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