Elbåden Silent Sea — ORC Rating

GPH

575

OSN

557.8

LOA

14.5 m

Displacement

12074 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6842

Medium

0.948

High

1.0969

Triple Offshore

Low

0.8954

Medium

1.1869

High

1.3384

Boat Specifications

Dimensions

Length overall: 14.5 m
Beam: 4.51 m
Draft: 2.29 m
Displacement: 12074 kg
Crew weight: 954 kg
Wetted surface: 44 m²

Sails

Mainsail: 63.04 m²
Genoa: 41.87 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 149 m²

Design

Type: First 47.7
Builder: Beneteau
Designer: BruceFarr
Year built: 2000

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.

6,45.8,5.077707,52,5.58,60,6.02,75,6.41,90,6.39,110,6.05,120,5.88,135,5.26,142.9,4.81454,150,4.43
8,43.8,6.068497,52,6.74,60,7.13,75,7.47,90,7.49,110,7.37,120,7.22,135,6.61,146.4,5.894915,150,5.67
10,42.2,6.749418,52,7.5,60,7.81,75,8.08,90,8.14,110,8.19,120,8.1,135,7.65,148.1,6.87891,150,6.75
12,39.8,7.041671,52,7.88,60,8.17,75,8.44,90,8.55,110,8.68,120,8.62,135,8.31,149.2,7.660427,150,7.6
14,39.2,7.290845,52,8.09,60,8.35,75,8.69,90,8.86,110,9.06,120,9.06,135,8.77,149.9,8.148863,150,8.14
16,38.8,7.40372,52,8.23,60,8.47,75,8.85,90,9.12,110,9.39,120,9.48,135,9.21,150,8.52,169.4,7.558992
20,38.6,7.498204,52,8.34,60,8.6,75,9.03,90,9.51,110,9.83,120,10.26,135,10.13,150,9.15,176.3,8.407524
24,39.2,7.52312,52,8.37,60,8.65,75,9.15,90,9.72,110,10.2,120,10.83,135,11.28,150,9.84,176.8,9.064133

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.58	6.02	6.41	6.39	6.05	5.88	5.26	4.43
8	6.74	7.13	7.47	7.49	7.37	7.22	6.61	5.67
10	7.5	7.81	8.08	8.14	8.19	8.1	7.65	6.75
12	7.88	8.17	8.44	8.55	8.68	8.62	8.31	7.6
14	8.09	8.35	8.69	8.86	9.06	9.06	8.77	8.14
16	8.23	8.47	8.85	9.12	9.39	9.48	9.21	8.52
20	8.34	8.6	9.03	9.51	9.83	10.26	10.13	9.15
24	8.37	8.65	9.15	9.72	10.2	10.83	11.28	9.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	3.54	142.9°	3.84
8	43.8°	4.38	146.4°	4.91
10	42.2°	5	148.1°	5.84
12	39.8°	5.41	149.2°	6.58
14	39.2°	5.65	149.9°	7.05
16	38.8°	5.77	169.4°	7.43
20	38.6°	5.86	176.3°	8.39
24	39.2°	5.83	176.8°	9.05

Loading polar chart…