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GPH

637.2

OSN

620.4

LOA

8 m

Displacement

1365 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6611

Medium

0.8522

High

0.977

Triple Offshore

Low

0.842

Medium

1.0486

High

1.1946

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.41 m
Draft: 1.61 m
Displacement: 1365 kg
Crew weight: 420 kg
Wetted surface: 13.9 m²

Sails

Mainsail: 24.98 m²
Genoa: 15.36 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.7 m²

Design

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

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.

6,42.4,4.577122,52,5.12,60,5.39,75,5.62,90,5.76,110,5.86,120,5.73,135,5.22,145,4.699982,150,4.45
8,41.2,5.42254,52,6,60,6.17,75,6.3,90,6.49,110,6.64,120,6.56,135,6.24,149,5.611507,150,5.56
10,38.6,5.83478,52,6.39,60,6.55,75,6.7,90,6.78,110,7.28,120,7.25,135,6.84,150,6.32,151.8,6.206716
12,37.5,5.94943,52,6.55,60,6.79,75,7.13,90,7.2,110,7.72,120,8.01,135,7.52,149.5,6.812676,150,6.77
14,37.1,5.980562,52,6.63,60,6.91,75,7.41,90,7.73,110,8.1,120,8.58,135,8.38,146.5,7.602959,150,7.33
16,36.9,6.014871,52,6.67,60,6.97,75,7.56,90,8.17,110,8.52,120,9.05,135,9.45,144.2,8.618311,150,8.07
20,37.9,6.070329,52,6.78,60,7.16,75,7.73,90,8.54,110,9.32,120,10.15,135,11.88,141.1,12.24553,150,11

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.39	5.62	5.76	5.86	5.73	5.22	4.45
8	6	6.17	6.3	6.49	6.64	6.56	6.24	5.56
10	6.39	6.55	6.7	6.78	7.28	7.25	6.84	6.32
12	6.55	6.79	7.13	7.2	7.72	8.01	7.52	6.77
14	6.63	6.91	7.41	7.73	8.1	8.58	8.38	7.33
16	6.67	6.97	7.56	8.17	8.52	9.05	9.45	8.07
20	6.78	7.16	7.73	8.54	9.32	10.15	11.88	11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.38	145°	3.85
8	41.2°	4.08	149°	4.81
10	38.6°	4.56	151.8°	5.47
12	37.5°	4.72	149.5°	5.87
14	37.1°	4.77	146.5°	6.34
16	36.9°	4.81	144.2°	6.99
20	37.9°	4.79	141.1°	9.53

Loading polar chart…