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Information about the drive concept. |
Die K46 — |
The Yacht K46
The Yacht K46 (Click to zoom)
Next to its impressive elegance and beauty awaits a river and coastal yacht with a revolutionary “ships keel” (“Mader”-Line) which has never been seen on motor yachts before.
Energy consumption, displacement, sailing characteristics, speed and sea-going behavior experience a totally new and positive qualities which underline its uniqueness.
Optimum running characteristics through a novel keel form
(“Mader – Line”)
Less displacement, lower energy consumption, faster cruising speed, a more cultivated sea going behavior thanks to the new “Mader – Line” concept.
The K46 sails with 12 knots with only 120 kW power consumption. The K46 is neither a planer nor a semi-planer with great displacement. But also the K46 is not a displacement yacht with a high energy consumption – at least not in the conventional sense..
Good to see : low waves thanks the very special keel form
(Click to zoom)
Conventional displacement yachts with waterline lengths of 12,7 metres and a Froude index of 0,40 can technically reach a maximum speed of
8,7 knots.
The “Mader”-Lines does not issue any conflicts to the associated physical laws. Moreover, they base themselves upon knowledge, awareness and perceptions which makes it possible to construct a ships keel in such a way as to combine the advantages of displacement and gliding at their respective range of speeds.
The deciding factor is to enable a stable pressure ratio with pressure neutral transition zones in interaction with over pressure fields with an under pressure field. In doing so, the reduction of the under pressure zones can be seen as a considerable decrease of the overall surface resistance. Through stable pressure ratios one achieves a passive yaw stability (good straight line steering). An example of this can be seen in the aeronautics industry. The well known B2 stealth bomber is an all wing aircraft which, based upon the analogue principle, flies on a very stable course without vertical or horizontal fins.
The keel of the K46 has taken parts in many tests at the experimental station for hydraulic and naval engineering in Berlin as well as in still, non-tidal waters and at harsh sea conditions.
The principle of the “Mader”- line keel form is not necessarily new. Already there are sailing yachts and commercial cruise ships, the “Seestern” for example which is in operation on lake Constance, which are built on this principle.
Optimum room layout
Generous compartment space, comfortable, light, open and friendly. Individual layout concepts can be arranged.
Model of the K46
| Technical Data | |
| Loa | 14,13 m |
| Woa | 4,16 m |
| Weight | 8,5 t |
| Draft | 0,86 |
| Fresh water capacity | 716 l |
| Diesel capacity | 876 l |
| Excrements capacity | 250 l |
| Motor | Steyr 120 kW |
| Max Speed | 12 Kn |
| Vertical clearance | 3,17 m |
