TANGO — ORC Rating | RegattaPages

GPH

660

OSN

642.2

LOA

8 m

Displacement

1725 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6355

Medium

0.8313

High

0.9428

Triple Offshore

Low

0.8111

Medium

1.0158

High

1.1437

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.41 m
Draft: 1.65 m
Displacement: 1725 kg
Crew weight: 435 kg
Wetted surface: 14.65 m²

Sails

Mainsail: 25.68 m²
Genoa: 15.6 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.21 m²

Design

Type: CORK 1720
Builder: 1720 YACHTS UK
Designer: TONY CASTRO
Year built: 1994
Stability index: 99.2

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.

6,42.6,4.388008,52,4.9,60,5.18,75,5.39,90,5.55,110,5.65,120,5.52,135,5.02,145.1,4.547938,150,4.3
8,41.2,5.18331,52,5.77,60,5.99,75,6.13,90,6.35,110,6.45,120,6.38,135,6.07,148.7,5.442041,150,5.37
10,39,5.67461,52,6.24,60,6.37,75,6.49,90,6.62,110,6.97,120,6.93,135,6.64,150,6.15,151,6.094077
12,37.6,5.856444,52,6.44,60,6.61,75,6.81,90,6.86,110,7.38,120,7.55,135,7.2,150,6.59,150.9,6.534884
14,37,5.922602,52,6.52,60,6.72,75,7.08,90,7.26,110,7.7,120,8.09,135,7.85,150,6.97,173.9,6.174963
16,36.9,5.964851,52,6.56,60,6.78,75,7.23,90,7.64,110,8.01,120,8.5,135,8.67,150,7.39,175.7,6.528377
20,37.2,6.038693,52,6.67,60,6.94,75,7.37,90,8.04,110,8.6,120,9.37,135,10.88,139.2,10.832303,150,9.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.18	5.39	5.55	5.65	5.52	5.02	4.3
8	5.77	5.99	6.13	6.35	6.45	6.38	6.07	5.37
10	6.24	6.37	6.49	6.62	6.97	6.93	6.64	6.15
12	6.44	6.61	6.81	6.86	7.38	7.55	7.2	6.59
14	6.52	6.72	7.08	7.26	7.7	8.09	7.85	6.97
16	6.56	6.78	7.23	7.64	8.01	8.5	8.67	7.39
20	6.67	6.94	7.37	8.04	8.6	9.37	10.88	9.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.23	145.1°	3.73
8	41.2°	3.9	148.7°	4.65
10	39°	4.41	151°	5.33
12	37.6°	4.64	150.9°	5.71
14	37°	4.73	173.9°	6.14
16	36.9°	4.77	175.7°	6.51
20	37.2°	4.81	139.2°	8.2

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