BLACK JACK — ORC Rating

GPH

508.2

OSN

493.8

LOA

18.85 m

Displacement

27318 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7985

Medium

1.0768

High

1.249

Triple Offshore

Low

1.0299

Medium

1.3333

High

1.4934

Boat Specifications

Dimensions

Length overall: 18.85 m
Beam: 5.34 m
Draft: 2.94 m
Displacement: 27318 kg
Crew weight: 800 kg
Wetted surface: 66.07 m²

Sails

Mainsail: 109.93 m²
Genoa: 93.5 m²
Spinnaker: 294.62 m²
Asymmetric spinnaker: 244.3 m²

Design

Type: SWAN 60 SD
Builder: NAUTOR
Designer: FRERS
Year built: 1994
Stability index: 134.4

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.

6,43.6,5.924008,52,6.57,60,6.93,75,7.18,90,7.05,110,6.81,120,6.64,135,6.01,142.4,5.51566,150,5.05
8,41.4,6.932307,52,7.75,60,8.08,75,8.3,90,8.2,110,8.22,120,8.09,135,7.45,146,6.670385,150,6.38
10,40.2,7.580558,52,8.48,60,8.76,75,8.96,90,8.93,110,9.1,120,9.02,135,8.56,149.6,7.5593,150,7.53
12,39.4,7.919935,52,8.86,60,9.12,75,9.34,90,9.37,110,9.59,120,9.56,135,9.26,150,8.51,153.2,8.290519
14,39,8.13232,52,9.05,60,9.32,75,9.58,90,9.67,110,9.94,120,9.96,135,9.73,150,9.19,158.3,8.739334
16,38.4,8.230259,52,9.17,60,9.44,75,9.76,90,9.91,110,10.2,120,10.34,135,10.16,150,9.67,167.6,8.948754
20,38.2,8.373026,52,9.31,60,9.58,75,9.98,90,10.29,110,10.59,120,10.98,135,10.99,150,10.49,178.1,9.725347

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.57	6.93	7.18	7.05	6.81	6.64	6.01	5.05
8	7.75	8.08	8.3	8.2	8.22	8.09	7.45	6.38
10	8.48	8.76	8.96	8.93	9.1	9.02	8.56	7.53
12	8.86	9.12	9.34	9.37	9.59	9.56	9.26	8.51
14	9.05	9.32	9.58	9.67	9.94	9.96	9.73	9.19
16	9.17	9.44	9.76	9.91	10.2	10.34	10.16	9.67
20	9.31	9.58	9.98	10.29	10.59	10.98	10.99	10.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	4.29	142.4°	4.37
8	41.4°	5.2	146°	5.53
10	40.2°	5.79	149.6°	6.52
12	39.4°	6.12	153.2°	7.4
14	39°	6.32	158.3°	8.12
16	38.4°	6.45	167.6°	8.74
20	38.2°	6.58	178.1°	9.72

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