Concerto — ORC Rating

GPH

555.1

OSN

536.3

LOA

18.446 m

Displacement

27985 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7145

Medium

0.9911

High

1.1748

Triple Offshore

Low

0.9224

Medium

1.2297

High

1.4005

Boat Specifications

Dimensions

Length overall: 18.446 m
Beam: 4.96 m
Draft: 3.13 m
Displacement: 27985 kg
Crew weight: 1195 kg
Wetted surface: 68.69 m²

Sails

Mainsail: 71.06 m²
Genoa: 112.95 m²
Spinnaker: 231.89 m²
Asymmetric spinnaker: 0 m²

Design

Type: SWAN 61
Builder: Nautor
Designer: Frers
Year built: 1989
Stability index: 125.1

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.

6,43.2,5.377461,52,5.99,60,6.31,75,6.5,90,6.33,110,5.96,120,5.81,135,5.22,139.8,4.962058,150,4.37
8,40.8,6.32765,52,7.1,60,7.39,75,7.57,90,7.44,110,7.3,120,7.15,135,6.57,147.5,5.774306,150,5.63
10,39.6,7.021294,52,7.88,60,8.13,75,8.29,90,8.24,110,8.28,120,8.18,135,7.65,150,6.73,150.2,6.718405
12,39.3,7.482165,52,8.33,60,8.55,75,8.72,90,8.73,110,8.86,120,8.82,135,8.45,150,7.67,152.9,7.481357
14,38.7,7.713692,52,8.58,60,8.8,75,8.99,90,9.04,110,9.22,120,9.22,135,8.98,150,8.41,156.8,8.040165
16,38.2,7.851302,52,8.71,60,8.94,75,9.18,90,9.27,110,9.48,120,9.54,135,9.35,150,8.92,164.6,8.308306
20,37.2,7.984634,52,8.87,60,9.1,75,9.41,90,9.61,110,9.79,120,10.05,135,10,150,9.61,178.4,8.993506

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.99	6.31	6.5	6.33	5.96	5.81	5.22	4.37
8	7.1	7.39	7.57	7.44	7.3	7.15	6.57	5.63
10	7.88	8.13	8.29	8.24	8.28	8.18	7.65	6.73
12	8.33	8.55	8.72	8.73	8.86	8.82	8.45	7.67
14	8.58	8.8	8.99	9.04	9.22	9.22	8.98	8.41
16	8.71	8.94	9.18	9.27	9.48	9.54	9.35	8.92
20	8.87	9.1	9.41	9.61	9.79	10.05	10	9.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	3.92	139.8°	3.79
8	40.8°	4.79	147.5°	4.87
10	39.6°	5.41	150.2°	5.83
12	39.3°	5.79	152.9°	6.66
14	38.7°	6.02	156.8°	7.39
16	38.2°	6.17	164.6°	8.01
20	37.2°	6.36	178.4°	8.99

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