Silver Girl — ORC Rating

GPH

725.6

OSN

702

LOA

10.49 m

Displacement

5302 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6072

Medium

0.8447

High

1.0233

Triple Offshore

Low

0.7876

Medium

1.0586

High

1.2267

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.8 m
Displacement: 5302 kg
Crew weight: 531 kg
Wetted surface: 24.82 m²

Sails

Mainsail: 23.56 m²
Genoa: 29.6 m²
Spinnaker: 74.99 m²
Asymmetric spinnaker: 0 m²

Design

Type: Stadt 34
Builder: Henry Vink
Designer: van der Stadt
Year built: 1986

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.

6,44.9,3.81173,52,4.21,60,4.51,75,4.79,90,4.77,110,4.85,120,4.72,135,4.3,147.4,3.786564,150,3.68
8,43.3,4.520642,52,5.06,60,5.38,75,5.69,90,5.78,110,5.93,120,5.77,135,5.3,150,4.68,151,4.630584
10,43,5.100131,52,5.73,60,6.1,75,6.37,90,6.55,110,6.64,120,6.55,135,6.19,150,5.52,153,5.375943
12,43.7,5.671074,52,6.26,60,6.52,75,6.72,90,6.92,110,7.01,120,6.94,135,6.72,150,6.28,156,6.009553
14,42.5,6.022157,52,6.57,60,6.77,75,6.94,90,7.07,110,7.33,120,7.26,135,7.04,150,6.73,174.7,6.146277
16,41.5,6.181941,52,6.74,60,6.94,75,7.14,90,7.19,110,7.63,120,7.59,135,7.35,150,7.03,180,6.61
20,41.2,6.273135,52,6.83,60,7.07,75,7.46,90,7.6,110,7.95,120,8.21,135,8.01,150,7.62,180,7.2

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.51	4.79	4.77	4.85	4.72	4.3	3.68
8	5.06	5.38	5.69	5.78	5.93	5.77	5.3	4.68
10	5.73	6.1	6.37	6.55	6.64	6.55	6.19	5.52
12	6.26	6.52	6.72	6.92	7.01	6.94	6.72	6.28
14	6.57	6.77	6.94	7.07	7.33	7.26	7.04	6.73
16	6.74	6.94	7.14	7.19	7.63	7.59	7.35	7.03
20	6.83	7.07	7.46	7.6	7.95	8.21	8.01	7.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.9°	2.7	147.4°	3.19
8	43.3°	3.29	151°	4.05
10	43°	3.73	153°	4.79
12	43.7°	4.1	156°	5.49
14	42.5°	4.44	174.7°	6.12
16	41.5°	4.63	180°	6.61
20	41.2°	4.72	180°	7.2

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