ASTRA — ORC Rating | RegattaPages

GPH

658.9

OSN

638.8

LOA

9.987 m

Displacement

5312 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6154

Medium

0.8374

High

0.9587

Triple Offshore

Low

0.7934

Medium

1.0306

High

1.1443

Boat Specifications

Dimensions

Length overall: 9.987 m
Beam: 3.47 m
Draft: 2.06 m
Displacement: 5312 kg
Crew weight: 400 kg
Wetted surface: 24.55 m²

Sails

Mainsail: 34.23 m²
Genoa: 25.27 m²
Spinnaker: 75.79 m²
Asymmetric spinnaker: 0 m²

Design

Type: Elan 340
Builder: Elan Marine
Designer: Humphreys
Year built: 2006
Stability index: 114.4

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.

6,43.5,4.383943,52,4.85,60,5.13,75,5.35,90,5.38,110,5.46,120,5.3,135,4.8,145.1,4.291888,150,4.07
8,41.2,5.103567,52,5.74,60,6.03,75,6.28,90,6.45,110,6.57,120,6.43,135,5.9,150,5.14,150.2,5.128114
10,40.8,5.733195,52,6.42,60,6.65,75,6.82,90,6.99,110,7.13,120,7.06,135,6.75,150,6.07,152,5.968644
12,40.5,6.128305,52,6.75,60,6.94,75,7.11,90,7.17,110,7.47,120,7.43,135,7.2,150,6.8,157.7,6.474208
14,40,6.226793,52,6.87,60,7.08,75,7.3,90,7.4,110,7.73,120,7.8,135,7.56,150,7.21,171.2,6.678618
16,40,6.265955,52,6.92,60,7.14,75,7.44,90,7.62,110,7.91,120,8.17,135,7.96,150,7.55,179,7.061075
20,40,6.318171,52,6.96,60,7.16,75,7.54,90,7.99,110,8.19,120,8.6,135,8.85,150,8.35,179,7.721176

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.85	5.13	5.35	5.38	5.46	5.3	4.8	4.07
8	5.74	6.03	6.28	6.45	6.57	6.43	5.9	5.14
10	6.42	6.65	6.82	6.99	7.13	7.06	6.75	6.07
12	6.75	6.94	7.11	7.17	7.47	7.43	7.2	6.8
14	6.87	7.08	7.3	7.4	7.73	7.8	7.56	7.21
16	6.92	7.14	7.44	7.62	7.91	8.17	7.96	7.55
20	6.96	7.16	7.54	7.99	8.19	8.6	8.85	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.18	145.1°	3.52
8	41.2°	3.84	150.2°	4.45
10	40.8°	4.34	152°	5.27
12	40.5°	4.66	157.7°	5.99
14	40°	4.77	171.2°	6.6
16	40°	4.8	179°	7.06
20	40°	4.84	179°	7.72

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