ALPHA — ORC Rating | RegattaPages

GPH

649.6

OSN

630.4

LOA

9.99 m

Displacement

5098 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6239

Medium

0.8499

High

0.9805

Triple Offshore

Low

0.8039

Medium

1.0439

High

1.169

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 3.47 m
Draft: 2.05 m
Displacement: 5098 kg
Crew weight: 475 kg
Wetted surface: 24.75 m²

Sails

Mainsail: 32.06 m²
Genoa: 30.69 m²
Spinnaker: 78.52 m²
Asymmetric spinnaker: 0 m²

Design

Type: ELAN 340
Builder: Elan
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.

6,42.8,4.443052,52,4.98,60,5.26,75,5.5,90,5.44,110,5.47,120,5.31,135,4.82,146,4.282074,150,4.1
8,40.9,5.17296,52,5.87,60,6.17,75,6.42,90,6.45,110,6.58,120,6.44,135,5.91,150,5.149964
10,40.9,5.860924,52,6.53,60,6.74,75,6.9,90,7.03,110,7.14,120,7.07,135,6.75,150,6.06,152,5.957318
12,39.8,6.247694,52,6.86,60,7.03,75,7.18,90,7.27,110,7.49,120,7.44,135,7.2,150,6.78,157.5,6.461881
14,38.6,6.359398,52,7.02,60,7.2,75,7.39,90,7.46,110,7.83,120,7.82,135,7.55,150,7.19,180,6.59
16,38.6,6.423376,52,7.08,60,7.28,75,7.56,90,7.7,110,8.08,120,8.22,135,7.94,150,7.52,180,7.06
20,39.2,6.426267,52,7.1,60,7.33,75,7.75,90,8.14,110,8.44,120,8.83,135,8.83,150,8.28,180,7.71

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.98	5.26	5.5	5.44	5.47	5.31	4.82	4.1
8	5.87	6.17	6.42	6.45	6.58	6.44	5.91	5.15
10	6.53	6.74	6.9	7.03	7.14	7.07	6.75	6.06
12	6.86	7.03	7.18	7.27	7.49	7.44	7.2	6.78
14	7.02	7.2	7.39	7.46	7.83	7.82	7.55	7.19
16	7.08	7.28	7.56	7.7	8.08	8.22	7.94	7.52
20	7.1	7.33	7.75	8.14	8.44	8.83	8.83	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.26	146°	3.55
8	40.9°	3.91	150°	4.46
10	40.9°	4.43	152°	5.26
12	39.8°	4.8	157.5°	5.97
14	38.6°	4.97	180°	6.59
16	38.6°	5.02	180°	7.06
20	39.2°	4.98	180°	7.71

Loading polar chart…