Silver Girl — ORC Rating

GPH

720.4

OSN

694.4

LOA

10.49 m

Displacement

5301 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5506

Medium

0.7685

High

0.909

Triple Offshore

Low

0.7101

Medium

0.9486

High

1.0777

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.8 m
Displacement: 5301 kg
Crew weight: 519 kg
Wetted surface: 24.74 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
Stability index: 114.7

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.

6,45.1,3.938393,52,4.31,60,4.58,75,4.75,90,4.77,110,4.89,120,4.75,135,4.31,146.6,3.809077,150,3.68
8,43.2,4.705278,52,5.2,60,5.46,75,5.65,90,5.78,110,5.94,120,5.81,135,5.35,150,4.72,150.2,4.701731
10,41.8,5.231557,52,5.82,60,6.06,75,6.24,90,6.43,110,6.58,120,6.51,135,6.18,150,5.58,153.2,5.433651
12,40.8,5.640724,52,6.23,60,6.43,75,6.59,90,6.76,110,6.93,120,6.9,135,6.69,150,6.27,158.6,5.928753
14,40,5.900441,52,6.48,60,6.65,75,6.81,90,6.92,110,7.19,120,7.19,135,7.02,150,6.71,170.3,6.178329
16,39.4,6.004657,52,6.61,60,6.79,75,6.97,90,7.03,110,7.42,120,7.46,135,7.31,150,7.02,177.2,6.557829
20,39.3,6.060683,52,6.69,60,6.89,75,7.18,90,7.34,110,7.76,120,8.03,135,7.95,150,7.58,179,7.151089

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.31	4.58	4.75	4.77	4.89	4.75	4.31	3.68
8	5.2	5.46	5.65	5.78	5.94	5.81	5.35	4.72
10	5.82	6.06	6.24	6.43	6.58	6.51	6.18	5.58
12	6.23	6.43	6.59	6.76	6.93	6.9	6.69	6.27
14	6.48	6.65	6.81	6.92	7.19	7.19	7.02	6.71
16	6.61	6.79	6.97	7.03	7.42	7.46	7.31	7.02
20	6.69	6.89	7.18	7.34	7.76	8.03	7.95	7.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.1°	2.78	146.6°	3.18
8	43.2°	3.43	150.2°	4.08
10	41.8°	3.9	153.2°	4.85
12	40.8°	4.27	158.6°	5.52
14	40°	4.52	170.3°	6.09
16	39.4°	4.64	177.2°	6.55
20	39.3°	4.69	179°	7.15

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