STONE AGE — ORC Rating

GPH

636.9

OSN

619.8

LOA

7.509 m

Displacement

882 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6429

Medium

0.8431

High

0.9825

Triple Offshore

Low

0.8276

Medium

1.0552

High

1.224

Boat Specifications

Dimensions

Length overall: 7.509 m
Beam: 2.49 m
Draft: 1.53 m
Displacement: 882 kg
Crew weight: 400 kg
Wetted surface: 12.23 m²

Sails

Mainsail: 22.14 m²
Genoa: 11.8 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 52.92 m²

Design

Type: MELGES 24
Designer: REICHEL/PUGH
Year built: 1992

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.

6,43.5,4.535589,52,5.04,60,5.4,75,5.66,90,5.73,110,5.82,120,5.67,135,5.05,144,4.573452,150,4.27
8,42,5.409444,52,5.97,60,6.18,75,6.34,90,6.51,110,6.66,120,6.55,135,6.16,147.5,5.549025,150,5.41
10,39,5.77755,52,6.39,60,6.6,75,6.84,90,6.92,110,7.5,120,7.4,135,6.86,150,6.21,151.4,6.127681
12,38.6,5.911553,52,6.55,60,6.87,75,7.41,90,7.53,110,8.05,120,8.42,135,7.74,148.5,6.907955,150,6.8
14,38.6,5.94994,52,6.61,60,6.99,75,7.67,90,8.29,110,8.61,120,9.09,135,8.9,144.5,8.057825,150,7.58
16,38.6,5.988327,52,6.66,60,7.05,75,7.81,90,8.67,110,9.06,120,9.63,135,10.15,144.5,9.114186,150,8.57
20,39.4,6.056421,52,6.8,60,7.27,75,8.13,90,9.01,110,10.55,120,11.06,135,12.72,141.1,13.157842,150,11.82

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.04	5.4	5.66	5.73	5.82	5.67	5.05	4.27
8	5.97	6.18	6.34	6.51	6.66	6.55	6.16	5.41
10	6.39	6.6	6.84	6.92	7.5	7.4	6.86	6.21
12	6.55	6.87	7.41	7.53	8.05	8.42	7.74	6.8
14	6.61	6.99	7.67	8.29	8.61	9.09	8.9	7.58
16	6.66	7.05	7.81	8.67	9.06	9.63	10.15	8.57
20	6.8	7.27	8.13	9.01	10.55	11.06	12.72	11.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.29	144°	3.7
8	42°	4.02	147.5°	4.68
10	39°	4.49	151.4°	5.38
12	38.6°	4.62	148.5°	5.89
14	38.6°	4.65	144.5°	6.56
16	38.6°	4.68	144.5°	7.42
20	39.4°	4.68	141.1°	10.24

Loading polar chart…