Helena — ORC Rating | RegattaPages

GPH

614.2

OSN

594.9

LOA

10.588 m

Displacement

5132 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6599

Medium

0.8932

High

1.0156

Triple Offshore

Low

0.8503

Medium

1.1046

High

1.2389

Boat Specifications

Dimensions

Length overall: 10.588 m
Beam: 3.54 m
Draft: 2.12 m
Displacement: 5132 kg
Crew weight: 687 kg
Wetted surface: 27.08 m²

Sails

Mainsail: 37.1 m²
Genoa: 29.57 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 107.53 m²

Design

Type: Elan E4
Builder: Elan
Designer: Humpreys
Year built: 2001

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.

6,43.9,4.704732,52,5.2,60,5.49,75,5.68,90,5.78,110,5.88,120,5.73,135,5.14,143.5,4.68989,150,4.36
8,41.6,5.562999,52,6.19,60,6.46,75,6.64,90,6.86,110,7.02,120,6.89,135,6.37,147.6,5.649464,150,5.51
10,40,6.161522,52,6.84,60,7.05,75,7.21,90,7.42,110,7.64,120,7.57,135,7.22,148.4,6.586618,150,6.48
12,38.8,6.49269,52,7.21,60,7.4,75,7.56,90,7.68,110,8.1,120,8.08,135,7.77,149.5,7.195671,150,7.16
14,38.2,6.642431,52,7.4,60,7.6,75,7.84,90,7.9,110,8.49,120,8.59,135,8.29,149.9,7.582488,150,7.57
16,38,6.738487,52,7.48,60,7.72,75,8.06,90,8.21,110,8.76,120,9.09,135,8.83,150,7.92,173,7.062644
20,38.1,6.798528,52,7.56,60,7.82,75,8.31,90,8.73,110,9.25,120,9.85,135,10.13,150,8.69,175.5,7.844181
24,39,6.806958,52,7.56,60,7.84,75,8.42,90,9.04,110,9.69,120,10.52,135,12.19,139.6,11.739396,150,10.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.2	5.49	5.68	5.78	5.88	5.73	5.14	4.36
8	6.19	6.46	6.64	6.86	7.02	6.89	6.37	5.51
10	6.84	7.05	7.21	7.42	7.64	7.57	7.22	6.48
12	7.21	7.4	7.56	7.68	8.1	8.08	7.77	7.16
14	7.4	7.6	7.84	7.9	8.49	8.59	8.29	7.57
16	7.48	7.72	8.06	8.21	8.76	9.09	8.83	7.92
20	7.56	7.82	8.31	8.73	9.25	9.85	10.13	8.69
24	7.56	7.84	8.42	9.04	9.69	10.52	12.19	10.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.39	143.5°	3.77
8	41.6°	4.16	147.6°	4.77
10	40°	4.72	148.4°	5.61
12	38.8°	5.06	149.5°	6.2
14	38.2°	5.22	149.9°	6.56
16	38°	5.31	173°	7.01
20	38.1°	5.35	175.5°	7.82
24	39°	5.29	139.6°	8.94

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