ALASTOR — ORC Rating | RegattaPages

GPH

659.6

OSN

640

LOA

9.24 m

Displacement

4097 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6894

Medium

0.9356

High

1.0739

Triple Offshore

Low

0.8905

Medium

1.1571

High

1.2949

Boat Specifications

Dimensions

Length overall: 9.24 m
Beam: 3.2 m
Draft: 1.92 m
Displacement: 4097 kg
Crew weight: 579 kg
Wetted surface: 22.58 m²

Sails

Mainsail: 29.16 m²
Genoa: 24.94 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 84.02 m²

Design

Type: ELAN 310
Builder: ELAN MARINE
Designer: HUMPHREYS
Year built: 2009

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.

6,42.9,4.259136,52,4.75,60,5.02,75,5.23,90,5.45,110,5.54,120,5.38,135,4.85,145.3,4.342305,150,4.13
8,41.1,5.029438,52,5.67,60,5.96,75,6.19,90,6.53,110,6.62,120,6.49,135,5.97,147.9,5.27669,150,5.17
10,41.1,5.732763,52,6.37,60,6.58,75,6.73,90,7.02,110,7.12,120,7.04,135,6.75,147.8,6.216075,150,6.07
12,39.5,6.129924,52,6.73,60,6.89,75,7.03,90,7.24,110,7.51,120,7.43,135,7.17,149.8,6.687688,150,6.67
14,38.4,6.277965,52,6.91,60,7.08,75,7.26,90,7.38,110,7.89,120,7.89,135,7.56,150,7,174.2,6.201749
16,38,6.319711,52,6.98,60,7.18,75,7.45,90,7.58,110,8.15,120,8.35,135,8.01,150,7.27,176.9,6.699804
20,38.3,6.345757,52,7,60,7.22,75,7.66,90,8.07,110,8.57,120,9.05,135,9.04,150,7.96,177.9,7.324919

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.75	5.02	5.23	5.45	5.54	5.38	4.85	4.13
8	5.67	5.96	6.19	6.53	6.62	6.49	5.97	5.17
10	6.37	6.58	6.73	7.02	7.12	7.04	6.75	6.07
12	6.73	6.89	7.03	7.24	7.51	7.43	7.17	6.67
14	6.91	7.08	7.26	7.38	7.89	7.89	7.56	7
16	6.98	7.18	7.45	7.58	8.15	8.35	8.01	7.27
20	7	7.22	7.66	8.07	8.57	9.05	9.04	7.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.12	145.3°	3.57
8	41.1°	3.79	147.9°	4.47
10	41.1°	4.32	147.8°	5.26
12	39.5°	4.73	149.8°	5.78
14	38.4°	4.92	174.2°	6.17
16	38°	4.98	176.9°	6.69
20	38.3°	4.98	177.9°	7.32

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