LIBELULA — ORC Rating

GPH

536.2

OSN

520.1

LOA

19.68 m

Displacement

32365 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7507

Medium

1.0204

High

1.2015

Triple Offshore

Low

0.9681

Medium

1.2659

High

1.4335

Boat Specifications

Dimensions

Length overall: 19.68 m
Beam: 4.95 m
Draft: 2.93 m
Displacement: 32365 kg
Crew weight: 400 kg
Wetted surface: 70.6 m²

Sails

Mainsail: 90.78 m²
Genoa: 120.47 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 296.22 m²

Design

Type: SWAN 65
Builder: NAUTOR
Designer: S&S
Year built: 1974
Stability index: 148.2

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.

6,43.6,5.551168,52,6.14,60,6.46,75,6.68,90,6.69,110,6.49,120,6.25,135,5.65,142.9,5.190676,150,4.78
8,41.1,6.449358,52,7.22,60,7.53,75,7.73,90,7.87,110,7.72,120,7.57,135,7,146.6,6.240658,150,6.02
10,40,7.127524,52,7.99,60,8.25,75,8.42,90,8.64,110,8.6,120,8.51,135,8.06,147.8,7.267844,150,7.1
12,39.6,7.60532,52,8.44,60,8.67,75,8.85,90,9.07,110,9.11,120,9.09,135,8.78,150,8.03,152.3,7.872205
14,39,7.862101,52,8.71,60,8.93,75,9.12,90,9.36,110,9.46,120,9.48,135,9.26,150,8.7,157.7,8.268396
16,38.4,8.013337,52,8.86,60,9.09,75,9.32,90,9.55,110,9.74,120,9.81,135,9.63,150,9.16,166.4,8.487995
20,37.6,8.178827,52,9.03,60,9.27,75,9.57,90,9.81,110,10.22,120,10.36,135,10.32,150,9.87,178.4,9.203588

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.14	6.46	6.68	6.69	6.49	6.25	5.65	4.78
8	7.22	7.53	7.73	7.87	7.72	7.57	7	6.02
10	7.99	8.25	8.42	8.64	8.6	8.51	8.06	7.1
12	8.44	8.67	8.85	9.07	9.11	9.09	8.78	8.03
14	8.71	8.93	9.12	9.36	9.46	9.48	9.26	8.7
16	8.86	9.09	9.32	9.55	9.74	9.81	9.63	9.16
20	9.03	9.27	9.57	9.81	10.22	10.36	10.32	9.87

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	4.02	142.9°	4.14
8	41.1°	4.86	146.6°	5.21
10	40°	5.46	147.8°	6.15
12	39.6°	5.86	152.3°	6.97
14	39°	6.11	157.7°	7.65
16	38.4°	6.28	166.4°	8.25
20	37.6°	6.48	178.4°	9.2

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