Patriot IV — ORC Rating

GPH

629.1

OSN

609.9

LOA

7.509 m

Displacement

821 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6473

Medium

0.8564

High

1.0057

Triple Offshore

Low

0.8309

Medium

1.0708

High

1.2532

Boat Specifications

Dimensions

Length overall: 7.509 m
Beam: 2.49 m
Draft: 1.52 m
Displacement: 821 kg
Crew weight: 388 kg
Wetted surface: 12.01 m²

Sails

Mainsail: 21.55 m²
Genoa: 11.4 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 53.85 m²

Design

Type: Melges 24
Builder: Melges Boatworks
Designer: Reichel/Pugh
Year built: 1992
Stability index: 94.9

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.

6,43.8,4.627576,52,5.13,60,5.42,75,5.6,90,5.66,110,5.76,120,5.62,135,5.05,143.4,4.596313,150,4.27
8,41.4,5.412532,52,6.01,60,6.21,75,6.36,90,6.51,110,6.72,120,6.62,135,6.19,147.8,5.530652,150,5.41
10,39,5.829021,52,6.48,60,6.71,75,6.92,90,6.92,110,7.56,120,7.52,135,7,150,6.25,150.5,6.215849
12,38.2,5.968008,52,6.71,60,7.05,75,7.51,90,7.59,110,8.11,120,8.5,135,7.94,148.3,7.099108,150,6.97
14,38.1,6.036077,52,6.84,60,7.22,75,7.85,90,8.36,110,8.62,120,9.19,135,9.11,145.5,8.202627,150,7.81
16,38.2,6.069807,52,6.92,60,7.33,75,8.08,90,8.87,110,9.11,120,9.84,135,10.47,144.7,9.361167,150,8.82
20,39,6.150711,52,6.99,60,7.44,75,8.35,90,9.45,110,10.65,120,11.12,135,12.95,142.2,13.288532,150,12.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.13	5.42	5.6	5.66	5.76	5.62	5.05	4.27
8	6.01	6.21	6.36	6.51	6.72	6.62	6.19	5.41
10	6.48	6.71	6.92	6.92	7.56	7.52	7	6.25
12	6.71	7.05	7.51	7.59	8.11	8.5	7.94	6.97
14	6.84	7.22	7.85	8.36	8.62	9.19	9.11	7.81
16	6.92	7.33	8.08	8.87	9.11	9.84	10.47	8.82
20	6.99	7.44	8.35	9.45	10.65	11.12	12.95	12.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.34	143.4°	3.69
8	41.4°	4.06	147.8°	4.68
10	39°	4.53	150.5°	5.41
12	38.2°	4.69	148.3°	6.04
14	38.1°	4.75	145.5°	6.76
16	38.2°	4.77	144.7°	7.64
20	39°	4.78	142.2°	10.5

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