GANDALF WIGHT SORCERER — ORC Rating

GPH

591.1

OSN

575.6

LOA

16.71 m

Displacement

20568 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6802

Medium

0.9154

High

1.0522

Triple Offshore

Low

0.8818

Medium

1.148

High

1.2894

Boat Specifications

Dimensions

Length overall: 16.71 m
Beam: 4.32 m
Draft: 2.52 m
Displacement: 20568 kg
Crew weight: 912 kg
Wetted surface: 51.4 m²

Sails

Mainsail: 59.91 m²
Genoa: 93.43 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 155.83 m²

Design

Type: SWAN 55
Builder: NAUTOR
Designer: SPARKMAN & STEPHEN
Year built: 1970
Stability index: 139

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.

6,44.2,5.105239,52,5.62,60,5.94,75,6.15,90,6.05,110,6,120,5.8,135,5.13,142.6,4.695281,150,4.31
8,41.8,5.915683,52,6.62,60,6.91,75,7.11,90,7.13,110,7.18,120,6.96,135,6.34,145.7,5.701501,150,5.44
10,41.2,6.578817,52,7.31,60,7.56,75,7.74,90,7.88,110,7.96,120,7.81,135,7.31,146.6,6.623961,150,6.39
12,40.8,6.961736,52,7.72,60,7.95,75,8.13,90,8.3,110,8.42,120,8.34,135,8,147.5,7.363129,150,7.17
14,40.5,7.206677,52,7.95,60,8.18,75,8.4,90,8.58,110,8.74,120,8.7,135,8.44,147.9,7.885524,150,7.71
16,40,7.336389,52,8.09,60,8.32,75,8.58,90,8.79,110,9.01,120,9.01,135,8.79,149.3,8.140933,150,8.08
20,39.3,7.482165,52,8.24,60,8.47,75,8.77,90,9.07,110,9.42,120,9.53,135,9.39,150,8.62,166.3,7.93578

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	5.94	6.15	6.05	6	5.8	5.13	4.31
8	6.62	6.91	7.11	7.13	7.18	6.96	6.34	5.44
10	7.31	7.56	7.74	7.88	7.96	7.81	7.31	6.39
12	7.72	7.95	8.13	8.3	8.42	8.34	8	7.17
14	7.95	8.18	8.4	8.58	8.74	8.7	8.44	7.71
16	8.09	8.32	8.58	8.79	9.01	9.01	8.79	8.08
20	8.24	8.47	8.77	9.07	9.42	9.53	9.39	8.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.66	142.6°	3.73
8	41.8°	4.41	145.7°	4.71
10	41.2°	4.95	146.6°	5.53
12	40.8°	5.27	147.5°	6.21
14	40.5°	5.48	147.9°	6.68
16	40°	5.62	149.3°	7
20	39.3°	5.79	166.3°	7.71

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