Klaver 4 — ORC Rating

GPH

792.7

OSN

770.1

LOA

7.2 m

Displacement

1946 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5829

Medium

0.7818

High

0.9028

Triple Offshore

Low

0.7459

Medium

0.9585

High

1.0775

Boat Specifications

Dimensions

Length overall: 7.2 m
Beam: 2.83 m
Draft: 1.36 m
Displacement: 1946 kg
Crew weight: 349 kg
Wetted surface: 13.09 m²

Sails

Mainsail: 14.21 m²
Genoa: 12.83 m²
Spinnaker: 38.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: vd Stadt25/Zeeton
Designer: vd Stadt
Year built: 1980

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.

6,42.9,3.535629,52,3.93,60,4.13,75,4.31,90,4.54,110,4.64,120,4.52,135,4.16,149.2,3.655584,150,3.63
8,41.6,4.105386,52,4.61,60,4.84,75,5.08,90,5.41,110,5.49,120,5.4,135,5.04,150,4.49,153,4.377072
10,42.1,4.609314,52,5.15,60,5.36,75,5.55,90,5.83,110,5.89,120,5.83,135,5.63,150,5.24,155.5,5.022192
12,42,5.032666,52,5.48,60,5.64,75,5.78,90,6.09,110,6.2,120,6.14,135,5.95,150,5.69,180,5.18
14,40.2,5.210815,52,5.68,60,5.82,75,5.95,90,6.26,110,6.54,120,6.47,135,6.26,150,5.98,180,5.64
16,40.1,5.307735,52,5.79,60,5.95,75,6.14,90,6.34,110,6.82,120,6.8,135,6.58,150,6.26,180,5.92
20,42.1,5.350579,52,5.8,60,6.02,75,6.42,90,6.63,110,7.11,120,7.32,135,7.19,150,6.86,180,6.48

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.93	4.13	4.31	4.54	4.64	4.52	4.16	3.63
8	4.61	4.84	5.08	5.41	5.49	5.4	5.04	4.49
10	5.15	5.36	5.55	5.83	5.89	5.83	5.63	5.24
12	5.48	5.64	5.78	6.09	6.2	6.14	5.95	5.69
14	5.68	5.82	5.95	6.26	6.54	6.47	6.26	5.98
16	5.79	5.95	6.14	6.34	6.82	6.8	6.58	6.26
20	5.8	6.02	6.42	6.63	7.11	7.32	7.19	6.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	2.59	149.2°	3.14
8	41.6°	3.07	153°	3.9
10	42.1°	3.42	155.5°	4.57
12	42°	3.74	180°	5.18
14	40.2°	3.98	180°	5.64
16	40.1°	4.06	180°	5.92
20	42.1°	3.97	180°	6.48

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