GALATEA — ORC Rating | RegattaPages

GPH

675

OSN

657.2

LOA

10.985 m

Displacement

5915 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6071

Medium

0.814

High

0.931

Triple Offshore

Low

0.7804

Medium

1.0018

High

1.1124

Boat Specifications

Dimensions

Length overall: 10.985 m
Beam: 3.42 m
Draft: 1.82 m
Displacement: 5915 kg
Crew weight: 445 kg
Wetted surface: 25.93 m²

Sails

Mainsail: 28.37 m²
Genoa: 44.65 m²
Spinnaker: 90.5 m²
Asymmetric spinnaker: 90.37 m²

Design

Type: Islander 36
Builder: Islander Yachts
Designer: Gurney
Year built: 1971

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.

6,42.8,4.374907,52,4.89,60,5.15,75,5.37,90,5.32,110,5.24,120,5.06,135,4.63,147,4.089806,150,3.96
8,42,5.140317,52,5.74,60,6.03,75,6.23,90,6.22,110,6.3,120,6.15,135,5.66,150,4.96,151,4.916422
10,42,5.745852,52,6.33,60,6.53,75,6.67,90,6.75,110,6.84,120,6.77,135,6.49,150,5.84,151,5.796805
12,41.6,6.057785,52,6.6,60,6.77,75,6.92,90,7,110,7.18,120,7.13,135,6.92,150,6.54,158,6.21236
14,40.9,6.165216,52,6.72,60,6.91,75,7.1,90,7.19,110,7.48,120,7.47,135,7.25,150,6.93,180,6.36
16,40.5,6.207211,52,6.78,60,6.97,75,7.25,90,7.39,110,7.73,120,7.8,135,7.6,150,7.23,180,6.8
20,41.1,6.237033,52,6.8,60,7.02,75,7.39,90,7.73,110,8.02,120,8.31,135,8.28,150,7.88,180,7.4

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.15	5.37	5.32	5.24	5.06	4.63	3.96
8	5.74	6.03	6.23	6.22	6.3	6.15	5.66	4.96
10	6.33	6.53	6.67	6.75	6.84	6.77	6.49	5.84
12	6.6	6.77	6.92	7	7.18	7.13	6.92	6.54
14	6.72	6.91	7.1	7.19	7.48	7.47	7.25	6.93
16	6.78	6.97	7.25	7.39	7.73	7.8	7.6	7.23
20	6.8	7.02	7.39	7.73	8.02	8.31	8.28	7.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.21	147°	3.43
8	42°	3.82	151°	4.3
10	42°	4.27	151°	5.07
12	41.6°	4.53	158°	5.76
14	40.9°	4.66	180°	6.36
16	40.5°	4.72	180°	6.8
20	41.1°	4.7	180°	7.4

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