De Wiekslag — ORC Rating

GPH

743.5

OSN

713

LOA

9.253 m

Displacement

2380 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5191

Medium

0.7478

High

0.8837

Triple Offshore

Low

0.6724

Medium

0.9285

High

1.0581

Boat Specifications

Dimensions

Length overall: 9.253 m
Beam: 2.12 m
Draft: 1.93 m
Displacement: 2380 kg
Crew weight: 532 kg
Wetted surface: 17.25 m²

Sails

Mainsail: 14.41 m²
Genoa: 23.33 m²
Spinnaker: 42.4 m²
Asymmetric spinnaker: 0 m²

Design

Type: Zeeslang
Builder: -
Designer: Stadt v/d
Year built: 1960
Stability index: 120.8

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.

6,43.8,3.796275,52,4.21,60,4.45,75,4.62,90,4.51,110,4.48,120,4.31,135,3.79,146.9,3.354348,150,3.24
8,42.3,4.650967,52,5.18,60,5.45,75,5.64,90,5.54,110,5.62,120,5.45,135,4.89,149.3,4.268175,150,4.24
10,40.8,5.20479,52,5.84,60,6.07,75,6.25,90,6.27,110,6.4,120,6.3,135,5.9,149.3,5.210197,150,5.17
12,40.2,5.65596,52,6.25,60,6.42,75,6.56,90,6.61,110,6.78,120,6.73,135,6.49,150,6.01,154.1,5.813968
14,39,5.751815,52,6.37,60,6.54,75,6.76,90,6.84,110,7.1,120,7.08,135,6.84,150,6.5,162.8,6.102933
16,38.7,5.817303,52,6.42,60,6.6,75,6.86,90,7.07,110,7.36,120,7.5,135,7.21,150,6.83,175.4,6.350456
20,38.8,5.825457,52,6.45,60,6.64,75,6.96,90,7.37,110,7.73,120,8.19,135,8.2,150,7.58,178.1,6.973834

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.45	4.62	4.51	4.48	4.31	3.79	3.24
8	5.18	5.45	5.64	5.54	5.62	5.45	4.89	4.24
10	5.84	6.07	6.25	6.27	6.4	6.3	5.9	5.17
12	6.25	6.42	6.56	6.61	6.78	6.73	6.49	6.01
14	6.37	6.54	6.76	6.84	7.1	7.08	6.84	6.5
16	6.42	6.6	6.86	7.07	7.36	7.5	7.21	6.83
20	6.45	6.64	6.96	7.37	7.73	8.19	8.2	7.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	2.74	146.9°	2.81
8	42.3°	3.44	149.3°	3.67
10	40.8°	3.94	149.3°	4.48
12	40.2°	4.32	154.1°	5.23
14	39°	4.47	162.8°	5.83
16	38.7°	4.54	175.4°	6.33
20	38.8°	4.54	178.1°	6.97

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