CORSARO II — ORC Rating

GPH

545

OSN

529

LOA

21.256 m

Displacement

47017 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7262

Medium

0.9949

High

1.1818

Triple Offshore

Low

0.9433

Medium

1.2494

High

1.4281

Boat Specifications

Dimensions

Length overall: 21.256 m
Beam: 4.95 m
Draft: 3.21 m
Displacement: 47017 kg
Crew weight: 1450 kg
Wetted surface: 83.39 m²

Sails

Mainsail: 113 m²
Genoa: 135.84 m²
Spinnaker: 225.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: proto
Builder: Costaguta
Designer: Sparkman&Stephens
Year built: 1960
Stability index: 134.9

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.

6,44.2,5.551599,52,6.13,60,6.49,75,6.73,90,6.6,110,6.2,120,6.03,135,5.35,141.2,4.965753,150,4.47
8,41.8,6.50591,52,7.25,60,7.56,75,7.77,90,7.71,110,7.53,120,7.34,135,6.69,144.8,6.045439,150,5.7
10,40.6,7.177935,52,8.04,60,8.33,75,8.53,90,8.59,110,8.53,120,8.37,135,7.74,148.4,6.856658,150,6.75
12,40.6,7.665244,52,8.53,60,8.8,75,8.99,90,9.12,110,9.15,120,9.05,135,8.58,150,7.65,150.7,7.602607
14,40,7.936876,52,8.8,60,9.06,75,9.29,90,9.45,110,9.53,120,9.48,135,9.15,150,8.42,153.3,8.204874
16,39.4,8.114051,52,8.96,60,9.2,75,9.47,90,9.67,110,9.79,120,9.79,135,9.54,150,9,157.4,8.589593
20,38.2,8.283951,52,9.14,60,9.37,75,9.67,90,9.94,110,10.12,120,10.27,135,10.12,150,9.71,171.2,9.006015

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.13	6.49	6.73	6.6	6.2	6.03	5.35	4.47
8	7.25	7.56	7.77	7.71	7.53	7.34	6.69	5.7
10	8.04	8.33	8.53	8.59	8.53	8.37	7.74	6.75
12	8.53	8.8	8.99	9.12	9.15	9.05	8.58	7.65
14	8.8	9.06	9.29	9.45	9.53	9.48	9.15	8.42
16	8.96	9.2	9.47	9.67	9.79	9.79	9.54	9
20	9.14	9.37	9.67	9.94	10.12	10.27	10.12	9.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.98	141.2°	3.87
8	41.8°	4.85	144.8°	4.94
10	40.6°	5.45	148.4°	5.84
12	40.6°	5.82	150.7°	6.63
14	40°	6.08	153.3°	7.33
16	39.4°	6.27	157.4°	7.93
20	38.2°	6.51	171.2°	8.9

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