Gran Cru — ORC Rating

GPH

585.9

OSN

568.6

LOA

12.497 m

Displacement

9859 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6902

Medium

0.9325

High

1.0611

Triple Offshore

Low

0.8919

Medium

1.1585

High

1.2932

Boat Specifications

Dimensions

Length overall: 12.497 m
Beam: 3.99 m
Draft: 2.19 m
Displacement: 9859 kg
Crew weight: 856 kg
Wetted surface: 37.5 m²

Sails

Mainsail: 54.49 m²
Genoa: 43.88 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 138.71 m²

Design

Type: X 4.3 Mk II
Builder: X Yachts
Designer: JEPPESEN Niels
Year built: 2022

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.

6,44.7,5.036582,52,5.53,60,5.87,75,6.11,90,6.03,110,6.11,120,5.95,135,5.35,143.1,4.889427,150,4.52
8,42.3,5.908351,52,6.57,60,6.87,75,7.1,90,7.18,110,7.33,120,7.19,135,6.62,147.1,5.895525,150,5.72
10,40.9,6.522428,52,7.26,60,7.5,75,7.69,90,7.83,110,8.02,120,7.94,135,7.56,148.5,6.837585,150,6.74
12,40,6.89255,52,7.64,60,7.86,75,8.06,90,8.16,110,8.46,120,8.42,135,8.12,149.4,7.540006,150,7.49
14,39.6,7.060229,52,7.83,60,8.07,75,8.31,90,8.37,110,8.84,120,8.86,135,8.57,150,7.95,150.4,7.924141
16,39.4,7.143471,52,7.93,60,8.18,75,8.51,90,8.65,110,9.14,120,9.29,135,9.02,150,8.29,171.8,7.405714
20,39.4,7.234059,52,8.03,60,8.3,75,8.75,90,9.11,110,9.56,120,10.05,135,9.99,150,8.93,176.3,8.207107
24,40.1,7.242574,52,8.04,60,8.33,75,8.88,90,9.42,110,9.93,120,10.59,135,11.31,150,9.65,176.2,8.8695

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.53	5.87	6.11	6.03	6.11	5.95	5.35	4.52
8	6.57	6.87	7.1	7.18	7.33	7.19	6.62	5.72
10	7.26	7.5	7.69	7.83	8.02	7.94	7.56	6.74
12	7.64	7.86	8.06	8.16	8.46	8.42	8.12	7.49
14	7.83	8.07	8.31	8.37	8.84	8.86	8.57	7.95
16	7.93	8.18	8.51	8.65	9.14	9.29	9.02	8.29
20	8.03	8.3	8.75	9.11	9.56	10.05	9.99	8.93
24	8.04	8.33	8.88	9.42	9.93	10.59	11.31	9.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.7°	3.58	143.1°	3.91
8	42.3°	4.37	147.1°	4.95
10	40.9°	4.93	148.5°	5.83
12	40°	5.28	149.4°	6.49
14	39.6°	5.44	150.4°	6.89
16	39.4°	5.52	171.8°	7.33
20	39.4°	5.59	176.3°	8.19
24	40.1°	5.54	176.2°	8.85

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