ISLA — ORC Rating | RegattaPages

GPH

551.2

OSN

537.2

LOA

15 m

Displacement

16085 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7233

Medium

0.9842

High

1.1229

Triple Offshore

Low

0.9486

Medium

1.2313

High

1.3714

Boat Specifications

Dimensions

Length overall: 15 m
Beam: 4.54 m
Draft: 2.35 m
Displacement: 16085 kg
Crew weight: 1040 kg
Wetted surface: 49.2 m²

Sails

Mainsail: 72.51 m²
Genoa: 58.75 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 201.23 m²

Design

Type: XC-50
Builder: x-yachts
Designer: Niels Jesperson
Year built: 2010
Stability index: 125.7

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.

6,44.2,5.216829,52,5.81,60,6.34,75,6.85,90,6.98,110,6.62,120,6.24,135,5.61,143.3,5.11365,150,4.73
8,42.3,6.205796,52,6.93,60,7.42,75,7.9,90,8.04,110,7.8,120,7.57,135,6.96,146.9,6.195397,150,5.99
10,40.8,6.882476,52,7.69,60,7.96,75,8.42,90,8.61,110,8.51,120,8.42,135,7.99,148.2,7.200909,150,7.07
12,40.5,7.325035,52,8.12,60,8.37,75,8.67,90,8.95,110,8.96,120,8.94,135,8.63,149.6,7.953497,150,7.92
14,40,7.519146,52,8.33,60,8.59,75,8.83,90,9.18,110,9.3,120,9.36,135,9.1,150,8.46,150.1,8.455448
16,39.6,7.60532,52,8.44,60,8.7,75,9.02,90,9.35,110,9.6,120,9.75,135,9.54,150,8.82,167.6,7.853197
20,39.4,7.686996,52,8.54,60,8.81,75,9.24,90,9.62,110,10.16,120,10.35,135,10.45,150,9.46,175.4,8.677953

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.81	6.34	6.85	6.98	6.62	6.24	5.61	4.73
8	6.93	7.42	7.9	8.04	7.8	7.57	6.96	5.99
10	7.69	7.96	8.42	8.61	8.51	8.42	7.99	7.07
12	8.12	8.37	8.67	8.95	8.96	8.94	8.63	7.92
14	8.33	8.59	8.83	9.18	9.3	9.36	9.1	8.46
16	8.44	8.7	9.02	9.35	9.6	9.75	9.54	8.82
20	8.54	8.81	9.24	9.62	10.16	10.35	10.45	9.46

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.74	143.3°	4.1
8	42.3°	4.59	146.9°	5.19
10	40.8°	5.21	148.2°	6.12
12	40.5°	5.57	149.6°	6.86
14	40°	5.76	150.1°	7.33
16	39.6°	5.86	167.6°	7.67
20	39.4°	5.94	175.4°	8.65

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