ASTRA — ORC Rating | RegattaPages

GPH

653

OSN

632.8

LOA

9.987 m

Displacement

5312 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6224

Medium

0.8461

High

0.9683

Triple Offshore

Low

0.8018

Medium

1.0391

High

1.155

Boat Specifications

Dimensions

Length overall: 9.987 m
Beam: 3.47 m
Draft: 2.06 m
Displacement: 5312 kg
Crew weight: 500 kg
Wetted surface: 24.91 m²

Sails

Mainsail: 34.23 m²
Genoa: 25.27 m²
Spinnaker: 75.79 m²
Asymmetric spinnaker: 66.81 m²

Design

Type: Elan 340
Builder: Elan Marine
Designer: Humphreys
Year built: 2006

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.

6,43.5,4.494231,52,4.97,60,5.24,75,5.42,90,5.46,110,5.48,120,5.31,135,4.77,144.2,4.290661,150,4.02
8,41,5.247051,52,5.88,60,6.13,75,6.33,90,6.47,110,6.56,120,6.43,135,5.91,149.2,5.169042,150,5.13
10,39.8,5.792133,52,6.47,60,6.68,75,6.84,90,7.02,110,7.14,120,7.07,135,6.73,150,6.07,152.4,5.946715
12,39.2,6.103663,52,6.77,60,6.96,75,7.14,90,7.29,110,7.51,120,7.47,135,7.22,150,6.78,158,6.449638
14,39,6.227916,52,6.91,60,7.11,75,7.34,90,7.44,110,7.83,120,7.83,135,7.6,150,7.23,170.4,6.663313
16,38.8,6.287388,52,6.97,60,7.18,75,7.48,90,7.65,110,8.1,120,8.18,135,7.97,150,7.58,178.1,7.053878
20,39.2,6.335938,52,7.02,60,7.25,75,7.62,90,7.98,110,8.43,120,8.83,135,8.76,150,8.31,178.6,7.742311
24,40.4,6.316163,52,6.99,60,7.24,75,7.69,90,8.16,110,8.62,120,9.25,135,9.77,150,9.19,178.1,8.434637

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.97	5.24	5.42	5.46	5.48	5.31	4.77	4.02
8	5.88	6.13	6.33	6.47	6.56	6.43	5.91	5.13
10	6.47	6.68	6.84	7.02	7.14	7.07	6.73	6.07
12	6.77	6.96	7.14	7.29	7.51	7.47	7.22	6.78
14	6.91	7.11	7.34	7.44	7.83	7.83	7.6	7.23
16	6.97	7.18	7.48	7.65	8.1	8.18	7.97	7.58
20	7.02	7.25	7.62	7.98	8.43	8.83	8.76	8.31
24	6.99	7.24	7.69	8.16	8.62	9.25	9.77	9.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.26	144.2°	3.48
8	41°	3.96	149.2°	4.44
10	39.8°	4.45	152.4°	5.27
12	39.2°	4.73	158°	5.98
14	39°	4.84	170.4°	6.57
16	38.8°	4.9	178.1°	7.05
20	39.2°	4.91	178.6°	7.74
24	40.4°	4.81	178.1°	8.43

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