ELETTRA — ORC Rating | RegattaPages

GPH

602.5

OSN

582.4

LOA

14.506 m

Displacement

12294 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7211

Medium

1.0147

High

1.209

Triple Offshore

Low

0.9398

Medium

1.2818

High

1.4794

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.3 m
Displacement: 12294 kg
Crew weight: 750 kg
Wetted surface: 44.34 m²

Sails

Mainsail: 56.32 m²
Genoa: 47.31 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 131.26 m²

Design

Type: FIRST 47.7 SD
Builder: BENETEAU
Designer: FARR
Year built: 1998

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.

6,44.4,4.604795,52,5.11,60,5.45,75,5.74,90,5.71,110,5.77,120,5.59,135,5,143.8,4.510755,150,4.2
8,42.7,5.524451,52,6.19,60,6.55,75,6.85,90,7,110,7.09,120,6.87,135,6.24,147.3,5.525776,150,5.37
10,42.1,6.294005,52,7.07,60,7.43,75,7.71,90,7.94,110,8.04,120,7.88,135,7.3,147.7,6.51869,150,6.36
12,41.5,6.929649,52,7.7,60,7.98,75,8.19,90,8.42,110,8.54,120,8.43,135,8.07,147.8,7.409656,150,7.24
14,40.7,7.294222,52,8.05,60,8.28,75,8.49,90,8.69,110,8.92,120,8.84,135,8.52,149.1,7.948117,150,7.87
16,40,7.427767,52,8.22,60,8.46,75,8.71,90,8.83,110,9.32,120,9.26,135,8.91,150,8.28,173.9,7.251056
20,39.8,7.523264,52,8.33,60,8.6,75,9.05,90,9.35,110,9.9,120,10.16,135,9.79,150,8.87,177.7,8.256652

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.11	5.45	5.74	5.71	5.77	5.59	5	4.2
8	6.19	6.55	6.85	7	7.09	6.87	6.24	5.37
10	7.07	7.43	7.71	7.94	8.04	7.88	7.3	6.36
12	7.7	7.98	8.19	8.42	8.54	8.43	8.07	7.24
14	8.05	8.28	8.49	8.69	8.92	8.84	8.52	7.87
16	8.22	8.46	8.71	8.83	9.32	9.26	8.91	8.28
20	8.33	8.6	9.05	9.35	9.9	10.16	9.79	8.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	3.29	143.8°	3.64
8	42.7°	4.06	147.3°	4.65
10	42.1°	4.67	147.7°	5.51
12	41.5°	5.19	147.8°	6.27
14	40.7°	5.53	149.1°	6.82
16	40°	5.69	173.9°	7.21
20	39.8°	5.78	177.7°	8.25

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