LEONARDO — ORC Rating

GPH

642.7

OSN

625.6

LOA

8 m

Displacement

1400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6603

Medium

0.8476

High

0.9675

Triple Offshore

Low

0.8375

Medium

1.0393

High

1.1762

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.41 m
Draft: 1.62 m
Displacement: 1400 kg
Crew weight: 407 kg
Wetted surface: 14 m²

Sails

Mainsail: 25.68 m²
Genoa: 15.6 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 65.52 m²

Design

Type: CORK 1720
Builder: 1720 YACHTS UK
Designer: TONY CASTRO
Year built: 1994
Stability index: 94.2

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.

6,42.4,4.644831,52,5.19,60,5.44,75,5.58,90,5.62,110,5.73,120,5.61,135,5.12,144.8,4.6381,150,4.37
8,40,5.378278,52,5.98,60,6.15,75,6.26,90,6.39,110,6.56,120,6.49,135,6.15,148.7,5.535668,150,5.46
10,37.6,5.730228,52,6.38,60,6.54,75,6.68,90,6.68,110,7.14,120,7.15,135,6.8,150,6.24,150.9,6.191545
12,37.5,5.911616,52,6.54,60,6.76,75,7.05,90,7.12,110,7.53,120,7.77,135,7.44,149.3,6.815124,150,6.76
14,37.2,5.975921,52,6.63,60,6.88,75,7.27,90,7.53,110,7.87,120,8.3,135,8.21,147.1,7.491485,150,7.26
16,37.2,6.013585,52,6.7,60,6.97,75,7.42,90,7.86,110,8.2,120,8.76,135,9.15,144.3,8.435093,150,7.91
20,38.2,6.044357,52,6.74,60,7.05,75,7.6,90,8.25,110,8.86,120,9.75,135,11.69,142.1,11.785816,150,10.74

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.19	5.44	5.58	5.62	5.73	5.61	5.12	4.37
8	5.98	6.15	6.26	6.39	6.56	6.49	6.15	5.46
10	6.38	6.54	6.68	6.68	7.14	7.15	6.8	6.24
12	6.54	6.76	7.05	7.12	7.53	7.77	7.44	6.76
14	6.63	6.88	7.27	7.53	7.87	8.3	8.21	7.26
16	6.7	6.97	7.42	7.86	8.2	8.76	9.15	7.91
20	6.74	7.05	7.6	8.25	8.86	9.75	11.69	10.74

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.43	144.8°	3.79
8	40°	4.12	148.7°	4.73
10	37.6°	4.54	150.9°	5.41
12	37.5°	4.69	149.3°	5.86
14	37.2°	4.76	147.1°	6.29
16	37.2°	4.79	144.3°	6.85
20	38.2°	4.75	142.1°	9.3

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