De Wiekslag — ORC Rating

GPH

732.9

OSN

705.5

LOA

9.253 m

Displacement

2381 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5321

Medium

0.7561

High

0.8866

Triple Offshore

Low

0.6892

Medium

0.938

High

1.0637

Boat Specifications

Dimensions

Length overall: 9.253 m
Beam: 2.12 m
Draft: 1.93 m
Displacement: 2381 kg
Crew weight: 532 kg
Wetted surface: 17.29 m²

Sails

Mainsail: 14.42 m²
Genoa: 23.33 m²
Spinnaker: 42.4 m²
Asymmetric spinnaker: 0 m²

Design

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

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.

6,42.8,3.870634,52,4.34,60,4.58,75,4.76,90,4.66,110,4.58,120,4.41,135,3.89,147,3.434006,150,3.32
8,41.2,4.67827,52,5.28,60,5.56,75,5.77,90,5.68,110,5.71,120,5.54,135,4.98,150,4.307033
10,40.5,5.273499,52,5.92,60,6.14,75,6.32,90,6.35,110,6.45,120,6.36,135,5.98,149,5.284849,150,5.23
12,39.8,5.674988,52,6.28,60,6.46,75,6.61,90,6.65,110,6.82,120,6.78,135,6.53,150,6.03,154,5.863412
14,39,5.77755,52,6.39,60,6.57,75,6.8,90,6.89,110,7.15,120,7.14,135,6.88,150,6.53,170,5.970708
16,38.4,5.805842,52,6.43,60,6.62,75,6.89,90,7.11,110,7.41,120,7.56,135,7.26,150,6.86,180,6.39
20,39,5.790418,52,6.44,60,6.64,75,6.97,90,7.4,110,7.81,120,8.27,135,8.28,150,7.61,180,7.03

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.34	4.58	4.76	4.66	4.58	4.41	3.89	3.32
8	5.28	5.56	5.77	5.68	5.71	5.54	4.98	4.31
10	5.92	6.14	6.32	6.35	6.45	6.36	5.98	5.23
12	6.28	6.46	6.61	6.65	6.82	6.78	6.53	6.03
14	6.39	6.57	6.8	6.89	7.15	7.14	6.88	6.53
16	6.43	6.62	6.89	7.11	7.41	7.56	7.26	6.86
20	6.44	6.64	6.97	7.4	7.81	8.27	8.28	7.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	2.84	147°	2.88
8	41.2°	3.52	150°	3.73
10	40.5°	4.01	149°	4.53
12	39.8°	4.36	154°	5.27
14	39°	4.49	170°	5.88
16	38.4°	4.55	180°	6.39
20	39°	4.5	180°	7.03

Loading polar chart…