Lady Ann — ORC Rating

GPH

554.5

OSN

537.4

LOA

19.75 m

Displacement

33806 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7089

Medium

0.9803

High

1.168

Triple Offshore

Low

0.9245

Medium

1.2297

High

1.4069

Boat Specifications

Dimensions

Length overall: 19.75 m
Beam: 4.59 m
Draft: 2.91 m
Displacement: 33806 kg
Crew weight: 1254 kg
Wetted surface: 76.3 m²

Sails

Mainsail: 112.12 m²
Genoa: 81.08 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 216.75 m²

Design

Type: One off
Builder: Kooi Makkum
Designer: Dijkstra
Year built: 2003
Stability index: 143.3

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.

6,44.2,5.230778,52,5.78,60,6.11,75,6.33,90,6.6,110,6.42,120,6.09,135,5.38,139.8,5.092983,150,4.5
8,41.7,6.187736,52,6.89,60,7.2,75,7.49,90,7.81,110,7.68,120,7.36,135,6.72,146,6.006965,150,5.75
10,40,6.82728,52,7.7,60,8,75,8.25,90,8.59,110,8.56,120,8.37,135,7.8,149.6,6.828877,150,6.81
12,40,7.349443,52,8.22,60,8.49,75,8.71,90,9.04,110,9.07,120,8.99,135,8.59,150,7.74,152.3,7.589845
14,39.9,7.651547,52,8.54,60,8.8,75,9.02,90,9.33,110,9.42,120,9.39,135,9.1,150,8.49,157.4,8.0805
16,39.4,7.829348,52,8.73,60,9.01,75,9.25,90,9.54,110,9.72,120,9.72,135,9.48,150,9.01,167.6,8.303707
20,39,8.055115,52,8.95,60,9.23,75,9.57,90,9.78,110,10.22,120,10.29,135,10.12,150,9.71,179,9.121389

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.78	6.11	6.33	6.6	6.42	6.09	5.38	4.5
8	6.89	7.2	7.49	7.81	7.68	7.36	6.72	5.75
10	7.7	8	8.25	8.59	8.56	8.37	7.8	6.81
12	8.22	8.49	8.71	9.04	9.07	8.99	8.59	7.74
14	8.54	8.8	9.02	9.33	9.42	9.39	9.1	8.49
16	8.73	9.01	9.25	9.54	9.72	9.72	9.48	9.01
20	8.95	9.23	9.57	9.78	10.22	10.29	10.12	9.71

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.75	139.8°	3.89
8	41.7°	4.62	146°	4.98
10	40°	5.23	149.6°	5.89
12	40°	5.63	152.3°	6.72
14	39.9°	5.87	157.4°	7.46
16	39.4°	6.05	167.6°	8.11
20	39°	6.26	179°	9.12

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