GREY GUAM — ORC Rating

GPH

444.6

OSN

436.8

LOA

23.998 m

Displacement

43557 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8571

Medium

1.1934

High

1.4047

Triple Offshore

Low

1.1599

Medium

1.5316

High

1.7444

Boat Specifications

Dimensions

Length overall: 23.998 m
Beam: 6.42 m
Draft: 4.03 m
Displacement: 43557 kg
Crew weight: 800 kg
Wetted surface: 106.56 m²

Sails

Mainsail: 178.41 m²
Genoa: 166.21 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swan 78
Builder: Nautor Swan
Designer: Frers
Year built: 2017
Stability index: 130.4

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.

6,47.2,6.843858,52,7.4,60,8.11,75,8.93,90,9.2,110,8.64,120,7.92,135,6.35,140.3,5.939697,150,5.28
8,43,7.862133,52,8.8,60,9.47,75,10.31,90,10.69,110,10.32,120,9.56,135,8.07,143,7.350036,150,6.78
10,41.8,8.719261,52,9.85,60,10.37,75,10.87,90,11.25,110,11.11,120,10.7,135,9.58,145.1,8.583776,150,8.12
12,41.2,9.170472,52,10.31,60,10.76,75,11.2,90,11.59,110,11.63,120,11.28,135,10.71,146.9,9.692991,150,9.38
14,40.6,9.403753,52,10.55,60,10.96,75,11.44,90,11.85,110,12.16,120,11.91,135,11.38,150,10.45,150.5,10.398048
16,40.2,9.622988,52,10.69,60,11.08,75,11.59,90,12.1,110,12.68,120,12.59,135,12.02,150,11.11,151.4,10.979712
20,39.6,9.928447,52,11.02,60,11.35,75,11.77,90,12.53,110,13.46,120,13.81,135,13.6,147.5,12.461592,150,12.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.4	8.11	8.93	9.2	8.64	7.92	6.35	5.28
8	8.8	9.47	10.31	10.69	10.32	9.56	8.07	6.78
10	9.85	10.37	10.87	11.25	11.11	10.7	9.58	8.12
12	10.31	10.76	11.2	11.59	11.63	11.28	10.71	9.38
14	10.55	10.96	11.44	11.85	12.16	11.91	11.38	10.45
16	10.69	11.08	11.59	12.1	12.68	12.59	12.02	11.11
20	11.02	11.35	11.77	12.53	13.46	13.81	13.6	12.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	47.2°	4.65	140.3°	4.57
8	43°	5.75	143°	5.87
10	41.8°	6.5	145.1°	7.04
12	41.2°	6.9	146.9°	8.12
14	40.6°	7.14	150.5°	9.05
16	40.2°	7.35	151.4°	9.64
20	39.6°	7.65	147.5°	10.51

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