Bacchus — ORC Rating | RegattaPages

GPH

640.8

OSN

623.7

LOA

12.44 m

Displacement

10799 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6537

Medium

0.8589

High

0.9696

Triple Offshore

Low

0.8343

Medium

1.0515

High

1.1465

Boat Specifications

Dimensions

Length overall: 12.44 m
Beam: 3.62 m
Draft: 2.21 m
Displacement: 10799 kg
Crew weight: 550 kg
Wetted surface: 34.4 m²

Sails

Mainsail: 41.38 m²
Genoa: 56.61 m²
Spinnaker: 151.98 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 411 (1977)
Builder: Nautor
Designer: S&S
Year built: 1977

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.

6,43,4.7583,52,5.25,60,5.49,75,5.65,90,5.54,110,5.58,120,5.47,135,4.97,144.6,4.477825,150,4.21
8,40.4,5.449496,52,6.11,60,6.34,75,6.51,90,6.45,110,6.63,120,6.56,135,6.12,149.4,5.355844,150,5.32
10,39.9,5.891821,52,6.58,60,6.81,75,6.99,90,7,110,7.17,120,7.2,135,6.95,150,6.28,150.9,6.225879
12,39.6,6.073874,52,6.78,60,7.01,75,7.23,90,7.31,110,7.41,120,7.54,135,7.43,150,7,156.9,6.68608
14,39.5,6.194722,52,6.89,60,7.11,75,7.36,90,7.5,110,7.58,120,7.76,135,7.76,150,7.44,167.3,6.898782
16,39.5,6.259521,52,6.94,60,7.18,75,7.45,90,7.62,110,7.71,120,7.91,135,8.05,150,7.77,177.2,7.218618
20,39.7,6.329611,52,7,60,7.23,75,7.54,90,7.82,110,7.86,120,8.16,135,8.56,150,8.36,178.6,7.862347
24,40.9,6.323977,52,6.98,60,7.24,75,7.6,90,7.92,110,8.05,120,8.22,135,8.95,150,8.96,178.6,8.422514

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.49	5.65	5.54	5.58	5.47	4.97	4.21
8	6.11	6.34	6.51	6.45	6.63	6.56	6.12	5.32
10	6.58	6.81	6.99	7	7.17	7.2	6.95	6.28
12	6.78	7.01	7.23	7.31	7.41	7.54	7.43	7
14	6.89	7.11	7.36	7.5	7.58	7.76	7.76	7.44
16	6.94	7.18	7.45	7.62	7.71	7.91	8.05	7.77
20	7	7.23	7.54	7.82	7.86	8.16	8.56	8.36
24	6.98	7.24	7.6	7.92	8.05	8.22	8.95	8.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.48	144.6°	3.65
8	40.4°	4.15	149.4°	4.61
10	39.9°	4.52	150.9°	5.44
12	39.6°	4.68	156.9°	6.15
14	39.5°	4.78	167.3°	6.73
16	39.5°	4.83	177.2°	7.21
20	39.7°	4.87	178.6°	7.86
24	40.9°	4.78	178.6°	8.42

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