WALIDADA II — ORC Rating

GPH

602.7

OSN

586.8

LOA

14.6 m

Displacement

14964 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6723

Medium

0.9028

High

1.0353

Triple Offshore

Low

0.8675

Medium

1.1253

High

1.2518

Boat Specifications

Dimensions

Length overall: 14.6 m
Beam: 4.19 m
Draft: 2.37 m
Displacement: 14964 kg
Crew weight: 800 kg
Wetted surface: 42.66 m²

Sails

Mainsail: 52.31 m²
Genoa: 71.14 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 192.47 m²

Design

Type: SWAN 47
Builder: NAUTOR
Designer: SPARKMAN& STEPHENS
Year built: 1974

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.

6,42.8,4.811035,52,5.37,60,5.67,75,5.92,90,5.87,110,5.91,120,5.79,135,5.2,145,4.675567,150,4.42
8,40.9,5.583093,52,6.31,60,6.65,75,6.93,90,6.94,110,7.16,120,7.02,135,6.4,148.5,5.58266,150,5.5
10,41.2,6.286425,52,7.08,60,7.36,75,7.56,90,7.65,110,7.84,120,7.78,135,7.42,146,6.803069,150,6.51
12,41.6,6.820023,52,7.49,60,7.7,75,7.87,90,7.92,110,8.2,120,8.17,135,7.94,148.8,7.412047,150,7.32
14,40.9,6.998711,52,7.68,60,7.89,75,8.08,90,8.16,110,8.45,120,8.51,135,8.29,150,7.75,150.5,7.720981
16,40.5,7.10147,52,7.77,60,8,75,8.24,90,8.36,110,8.64,120,8.83,135,8.64,150,8.03,174.5,7.183069
20,40.5,7.206677,52,7.86,60,8.1,75,8.46,90,8.71,110,8.97,120,9.26,135,9.34,150,8.52,178,7.984864

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.37	5.67	5.92	5.87	5.91	5.79	5.2	4.42
8	6.31	6.65	6.93	6.94	7.16	7.02	6.4	5.5
10	7.08	7.36	7.56	7.65	7.84	7.78	7.42	6.51
12	7.49	7.7	7.87	7.92	8.2	8.17	7.94	7.32
14	7.68	7.89	8.08	8.16	8.45	8.51	8.29	7.75
16	7.77	8	8.24	8.36	8.64	8.83	8.64	8.03
20	7.86	8.1	8.46	8.71	8.97	9.26	9.34	8.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.53	145°	3.83
8	40.9°	4.22	148.5°	4.76
10	41.2°	4.73	146°	5.64
12	41.6°	5.1	148.8°	6.34
14	40.9°	5.29	150.5°	6.72
16	40.5°	5.4	174.5°	7.15
20	40.5°	5.48	178°	7.98

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