LUCKY EIGHTS — ORC Rating

GPH

571.2

OSN

553.1

LOA

12.405 m

Displacement

5698 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7063

Medium

0.9632

High

1.0924

Triple Offshore

Low

0.9127

Medium

1.1901

High

1.3335

Boat Specifications

Dimensions

Length overall: 12.405 m
Beam: 3.48 m
Draft: 2.1 m
Displacement: 5698 kg
Crew weight: 815 kg
Wetted surface: 30.85 m²

Sails

Mainsail: 46.18 m²
Genoa: 32.59 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 121.14 m²

Design

Type: J 124
Builder: TPI
Designer: JOHNSTONE
Year built: 2002
Stability index: 118

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.

6,43.6,5.067858,52,5.63,60,5.97,75,6.18,90,6.16,110,6.24,120,6.06,135,5.42,142.6,4.972215,150,4.56
8,41.4,6.065768,52,6.8,60,7.09,75,7.27,90,7.37,110,7.53,120,7.4,135,6.8,145.7,6.100969,150,5.82
10,39.6,6.709813,52,7.47,60,7.69,75,7.84,90,7.87,110,8.18,120,8.13,135,7.75,148.7,6.998582,150,6.91
12,38.4,6.95425,52,7.75,60,7.97,75,8.19,90,8.24,110,8.63,120,8.7,135,8.36,150,7.7,150.5,7.663533
14,37.8,7.087217,52,7.88,60,8.11,75,8.44,90,8.59,110,8.96,120,9.22,135,8.99,150,8.18,150.1,8.178598
16,37.6,7.169095,52,7.96,60,8.21,75,8.61,90,8.9,110,9.26,120,9.71,135,9.65,147.5,8.880811,150,8.65
20,37.8,7.264397,52,8.04,60,8.32,75,8.82,90,9.36,110,9.84,120,10.54,135,11.36,143.5,10.685982,150,9.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.63	5.97	6.18	6.16	6.24	6.06	5.42	4.56
8	6.8	7.09	7.27	7.37	7.53	7.4	6.8	5.82
10	7.47	7.69	7.84	7.87	8.18	8.13	7.75	6.91
12	7.75	7.97	8.19	8.24	8.63	8.7	8.36	7.7
14	7.88	8.11	8.44	8.59	8.96	9.22	8.99	8.18
16	7.96	8.21	8.61	8.9	9.26	9.71	9.65	8.65
20	8.04	8.32	8.82	9.36	9.84	10.54	11.36	9.91

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.67	142.6°	3.95
8	41.4°	4.55	145.7°	5.04
10	39.6°	5.17	148.7°	5.98
12	38.4°	5.45	150.5°	6.67
14	37.8°	5.6	150.1°	7.09
16	37.6°	5.68	147.5°	7.49
20	37.8°	5.74	143.5°	8.59

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