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The SCHOTTEL Pump-Jet (SPJ) operates on the principle of a centrifugal pump. An impeller sucks in water from under the hull and forces it into a pump housing. The outlet nozzles are fitted in the bottom plate, making it possible for the jet to be installed in a flat-bottomed hull too.
With a compact design, low loss of buoyancy and low suction effect, Pump-Jets with power ratings up to 3500 kW develop a high thrust even in extremely shallow water and over a wide speed range. Like all SCHOTTEL products, they are distinguished by their excellent manoeuvring properties - as propulsion units for inland and coasting vessels or as independent manoeuvring and standby systems for seagoing ships.
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The SCHOTTEL Navigator (NAV) can readily be installed as a complete, self-contained propulsion package on virtually any watercraft. Its main components are the chassis, engine or motor, clutch, cardan shaft and Rudderpropeller.
SCHOTTEL Navigators are highly flexible, easy-to-maintain propulsion systems for vessels of simple design.
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A 360° rotating hydraulic drive for sailing boats, motorized sloops, etc.
Incredible manoeuvrability (360° rotating drive annex propeller!)
No rudder required
No propeller shaft required
Quick and easy assembly
No gearbox
The engine may be positioned in any convenient place
Suitable for diesel engines of up to 30kW (40 hp)
The WillDo Rotadrive has been designed with a view to simplicity in use, optimal manoeuvrability and a minimum amount of moving components. In order to accomplish this, we have selected a hydraulic drive. The assembly consists of four main components:
1. A hydraulic pump, connected to the diesel engine which is permenantly rotating, as long as the engine is running. The flow of the hydraulic pump is controlled by changing the number of revolutions of the engine.
2. The connection between the hydraulic pump and the Rotadrive is made by means of three flexible tubes of 25, 20 and 14 mm diameter, respectively.
3. The Rotadrive is equipped with an integrated tank or, if preferred without a tank. In that case the seperate hydraulic tank could be installed in any convenient place and position.
4. The Rotadrive is controlled with the help of a touchscreen on which a windrose is projected. By means of the throttle and the good old steering wheel all control directives are transmitted to the Rotadrive and the diesel engine.
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MiniRex surface-drives can be used for all types af pleasure craft as well as the most demanding sport boat applications, by choosing the appropriate gear ratio and propeller to match the respective hydrodynamic characteristics of the hull and the performance characteristics of the engine. It can also be easily fitted to any boat transom which could accommodate a typical stern-drive or inboard driveline with shaft angle between 6° - 15°.
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Using our long experience in the design, manufacture and marketing of surface-drives - both articulating and fixed, we decided to develop a new product using state-of-the-art design tools and methods. Our objective was to produce a series of advanced surface-drive systems having increased torque capacities and without the disadvantages of existing designs. The new drive system concept ensures unprecedented reliability and ease of maintenance over the lifetime of the boat, no matter what application - pleasure, commercial or defense.
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Trimax surface drives are simple, reliable and extremely efficient because they are fully integrated within a specially designed hull form. ZF Trimax provides drawings and technical assistance to carry out modifications to the stern section of standard standard hull forms.
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SURFACE DRIVE SYSTEM IS A COMPLETE PROPULSION PACKAGE INCLUDING DRIVES, PROPELLERS, HYDRAULICS AND STEERING EQUIPMENT, EMERGENCY SYSTEM, CARDAN SHAFT, COUPLING FLANGE, INDICATORS AND SENSORS.
WITH PERFORMANCE, RELIABILITY, LOW MAINTENANCE COST.
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MTU is one of the world's leading manufacturers of drive and power generation systems for watercraft: MTU engines are used on all the world's oceans and in all marine areas.
Custom-tailored automation systems developed and produced in-house by MTU control and monitor the drive technology.
This ensures that our drive systems are optimally tuned and guarantee flawless operation - so they can guarantee you safety, efficiency, and reliability.
MTU always offers you a complete system tailored individually to your ship and extensive service - all from one source
- Everything from one source
- Safety and optimal drive behavior - completely automatic
- The Scope of Supply
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