EXTREMA — ORC Rating | RegattaPages

GPH

603.4

OSN

588.2

LOA

10.6 m

Displacement

4451 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6814

Medium

0.9117

High

1.0347

Triple Offshore

Low

0.8813

Medium

1.1161

High

1.2412

Boat Specifications

Dimensions

Length overall: 10.6 m
Beam: 3.25 m
Draft: 2.16 m
Displacement: 4451 kg
Crew weight: 705 kg
Wetted surface: 24.45 m²

Sails

Mainsail: 42.79 m²
Genoa: 33.08 m²
Spinnaker: 92.56 m²
Asymmetric spinnaker: 73.59 m²

Design

Type: X-35
Builder: X-Yachts
Designer: Jeppesen
Year built: 2005
Stability index: 118.6

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.

6,42.6,4.945,52,5.53,60,5.84,75,6.13,90,6.31,110,6.03,120,5.74,135,5.17,141.7,4.791174,150,4.35
8,41.2,5.847837,52,6.53,60,6.76,75,7.01,90,7.15,110,7,120,6.87,135,6.36,148.4,5.553423,150,5.47
10,39.4,6.379948,52,7.03,60,7.19,75,7.39,90,7.58,110,7.52,120,7.43,135,7.12,150,6.46,151.6,6.366179
12,38.1,6.506255,52,7.2,60,7.39,75,7.61,90,7.93,110,7.98,120,7.92,135,7.58,150,7.14,158.8,6.789487
14,38.2,6.616981,52,7.27,60,7.47,75,7.81,90,8.17,110,8.43,120,8.44,135,8.07,150,7.57,173.6,6.963396
16,37.7,6.66057,52,7.3,60,7.52,75,7.92,90,8.36,110,8.86,120,8.95,135,8.6,150,8.02,178.1,7.374054
20,37.9,6.754667,52,7.43,60,7.67,75,8.03,90,8.61,110,9.59,120,9.87,135,9.96,150,9.05,177.2,8.229825

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.53	5.84	6.13	6.31	6.03	5.74	5.17	4.35
8	6.53	6.76	7.01	7.15	7	6.87	6.36	5.47
10	7.03	7.19	7.39	7.58	7.52	7.43	7.12	6.46
12	7.2	7.39	7.61	7.93	7.98	7.92	7.58	7.14
14	7.27	7.47	7.81	8.17	8.43	8.44	8.07	7.57
16	7.3	7.52	7.92	8.36	8.86	8.95	8.6	8.02
20	7.43	7.67	8.03	8.61	9.59	9.87	9.96	9.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.64	141.7°	3.76
8	41.2°	4.4	148.4°	4.73
10	39.4°	4.93	151.6°	5.6
12	38.1°	5.12	158.8°	6.33
14	38.2°	5.2	173.6°	6.92
16	37.7°	5.27	178.1°	7.37
20	37.9°	5.33	177.2°	8.22

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