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GPH

646

OSN

627.5

LOA

8 m

Displacement

1372 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6465

Medium

0.8439

High

0.9741

Triple Offshore

Low

0.8242

Medium

1.0377

High

1.1874

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.41 m
Draft: 1.62 m
Displacement: 1372 kg
Crew weight: 434 kg
Wetted surface: 14.33 m²

Sails

Mainsail: 24.75 m²
Genoa: 15.37 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.75 m²

Design

Type: Cork 1720
Builder: Key Yachting
Designer: Tony Castro
Year built: 1998
Stability index: 96.1

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.

6,43,4.471161,52,4.95,60,5.24,75,5.46,90,5.65,110,5.74,120,5.62,135,5.12,145.1,4.633288,150,4.39
8,41.7,5.303774,52,5.87,60,6.06,75,6.2,90,6.43,110,6.56,120,6.49,135,6.17,148.2,5.600707,150,5.5
10,39.1,5.759965,52,6.31,60,6.46,75,6.6,90,6.72,110,7.21,120,7.17,135,6.79,150,6.26,151.4,6.19602
12,37.8,5.910233,52,6.5,60,6.73,75,7.02,90,7.08,110,7.64,120,7.92,135,7.49,149.1,6.806012,150,6.75
14,37.2,5.950812,52,6.59,60,6.86,75,7.34,90,7.59,110,8.03,120,8.48,135,8.37,146.2,7.617471,150,7.31
16,37.2,6.00103,52,6.63,60,6.93,75,7.49,90,8.05,110,8.41,120,8.98,135,9.37,144.3,8.619803,150,8.08
20,37.9,6.070329,52,6.76,60,7.14,75,7.66,90,8.46,110,9.11,120,9.99,135,11.79,141.4,12.142996,150,10.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.95	5.24	5.46	5.65	5.74	5.62	5.12	4.39
8	5.87	6.06	6.2	6.43	6.56	6.49	6.17	5.5
10	6.31	6.46	6.6	6.72	7.21	7.17	6.79	6.26
12	6.5	6.73	7.02	7.08	7.64	7.92	7.49	6.75
14	6.59	6.86	7.34	7.59	8.03	8.48	8.37	7.31
16	6.63	6.93	7.49	8.05	8.41	8.98	9.37	8.08
20	6.76	7.14	7.66	8.46	9.11	9.99	11.79	10.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.27	145.1°	3.8
8	41.7°	3.96	148.2°	4.76
10	39.1°	4.47	151.4°	5.44
12	37.8°	4.67	149.1°	5.84
14	37.2°	4.74	146.2°	6.33
16	37.2°	4.78	144.3°	7
20	37.9°	4.79	141.4°	9.49

Loading polar chart…