EXCLUSIVE DEALER FOR SALES AND AFTER SALES PRODUCT SUPPORT IN U.A.E.: MJP Ultra Jets by Marine Jet Power is a world leading supplier of water jet propulsion systems suitable for ships from approximately 15 meters of length and powers from 112 KW.

We sell to shipbuilders of:

    • High speed ferries
    • Coast Guard, Customs and Navy Boats
    • Luxury Yachts
    • Special applications

We offer a full line of stainless steel and aluminium jets with mixed- or axial flow, covering engine powers from 112 KW to 15 MW, and intake diameters from 250 mm to 1550 mm. Our units can be specially adapted for each individual installation giving optimum performance in various configurations e.g. single, twin, triple, and quad installations.

MJP CSU

The traditional MJP CSU waterjet with a Compact Steering Unit offers a classic design with superior performance and unmatched service life in for instance Commercial Crafts, Coast Guards, Navy Applications and Yachts.

Features & Benefits

      • Compact Steering Unit
      • Duplex stainless steel waterjet with superior wear strength
      • Thrust is taken in jet unit in an oil lubricated hub unit accessible from aft available from MJP 550 and up
      • Lowest noise and vibration with floating drive shaft design
      • Mixed flow waterjet with minimum blade tip clearance
      • – no wear liner is needed in line of the impeller
      • – for the best available jet performance
      • Intake either completely or partly of GRP for the best performance, corrosion protection and service life
      • Electronic control options – see MJP designers guide

MJP DRB

The MJP DRB waterjet with a Double Reverse Bucket offers an inboard hydraulic design with superior performance and unmatched service life in for instance Commercial Crafts, Coast Guards, Navy Applications and Yachts.

Features & Benefits

  • Double Reverse Bucket – inboard hydraulics
  • Duplex stainless steel waterjet with superior wear strength
  • Lowest noise and vibration with floating drive shaft design
  • Thrust is taken in jet unit in an oil lubricated hub unit accessible from aft available from MJP 550 and up
  • Standard intake of GRP for the best performance, corrosion protection and service life
  • Mixed flow waterjet with minimum blade tip clearance
  • – no wear liner is needed in line of the impeller
  • – for the best available jet performance
  • Electronic control options – see MJP designers guide

MJP Ultrajet

MJP Ultrajet marine jet drives (waterjet propulsion) feature high-efficiency single-stage axial-flow pump elements with a variety of intake housings and control options. A wide range of impellers match most marine diesel engines from 100 to 1342 kW (134 to 2172 bhp) per jet with the appropriate direct drive or reduction gear ratio. MJP Ultrajet propulsion systems are rated for the real-world operating conditions encountered by commercial and military boats.

MJP Ultrajet drives excel when thrust is required to quickly accelerate the boat on plane with a full fuel and passenger load. To maintain planing attitude at cruise throttle settings, even in turns. Full control is easily maintained in following or quartering seas while still providing the best top speed possible with the available power.

Features & Benefits

  • Excellent resistance to cavitation in displacement craft
  • – high thrust at low speed
  • Lightweight and compact design with a variety of jet mounted control systems
  • Superior manoeuvrability. Ability to accelerate quickly, reverse, stop, rotate, hold station and move sideways for ease of docking
  • Higher mid-range thrust for improved cruising speed and economy
  • Lower vibration and noise levels than other propulsion methods
  • Wide range of Marine Jet Power-developed mechanical and electrical reversing controls
  • Standard rubber impeller shaft bearing or optional composite bearing, if dry running is required

MJP Pods

Marine Jet Power, formerly Ultra Dynamics and Dowty waterjets, has designed and manufactured marine waterjet propulsion systems (a.k.a. water jet propulsion, water-jet propulsion, & hydrojet propulsion) for military/government applications since the mid-1960’s. Marine Jet Power also manufactures hydraulic & control systems for watercraft and amphibious vehicles. UltraJet propulsion units are used by military and government entities in Europe, North America, Asia, and South America. Marine Jet Power has BS EN ISO 9001 certification (since 1994), and other multi-national and mil-spec approvals.

  • Ultrajet waterjet propulsion for high-speed craft
  • Ultrajet waterjet propulsion for high thrust
  • Ultrajet waterjet propulsion for wheeled amphibious vehicles
  • Ultrajet waterjet propulsion for tracked amphibious vehicles
  • Controls and hydraulic systems
  • Other military products

MJP Controls

Hydromechanical (HM) Control

The Hydromechanical control provides proportional operation of the reversing deflector when actuated by a push/pull cable from the helm. The HM control converts low efforts at the helm to hydraulic actuation of the reverse deflector, even at full throttle. The HM control is available for the UltraJet models 251, 305, 305HT, 340, 377, and 410.

Electrohydraulic Jog (EHJ) Control

The Electrohydraulic Jog is a non-proportional control of reversing deflector(s) actuated a joystick or toggle at the helm to electrically actuate a solenoid-operated hydraulic valve on the waterjet. Hydraulic flow from this valve actuates the reversing deflector. The EHJ control is available on all UltraJet models but used mostly on the 251, 305, 305HT, and 340.

Electrohydraulic Proportional (EHK) Control

The economical Electrohydraulic Proportional control operates the reversing deflector proportional to helm lever movement. The EHK system is based on Kobelt single or twin-lever helm units, amplifier, and position feedback units. The EHK control is available for all UltraJet models.

JetMaster-Pro Proportional (JMP) Control

The JetMaster-Pro is a PLC-based control system to operate the reversing deflector(s) proportional to helm lever movement. The system is available with single or twin lever helm control for single or twin jets respectively. The JetMaster-Pro control is available for all UltraJet models.

JetMaster Joystick (JMJ) Controls

Marine Jet Power, and predecessor companies Ultra Dynamics and Ultra Hydraulics, have been supplying joystick controls for vessels under 75 feet since 1995. These Ultra-developed joystick systems are used to accurately control forward, reverse and neutral positioning of the boat using vectored thrust from the waterjet drive(s). The JetMaster Joystick controls are available for all UltraJet models.

Waterjet Steering Systems

A variety of steering options are available for UltraJet units and for use with the above reversing controls. Steering options include steering position indicators, electronic synchronization for catamarans, and auto-steer (autopilot).

Hydraulic Systems

The above control systems are to precisely position the reversing deflectors with the deflectors being actuated hydraulically. A variety of pump and valve systems are available from Marine Jet Power to operate the waterjet controls only and/or to operate additional functions such as a hydraulic bow thruster and anchor windlass.

ACS – Azimuth control system

Two Azimuth levers and one second steer tiller. Each Azimuth lever controls its dedicated waterjet. The system can operate in Separate or Common mode, with Autopilot or with the second steer tiller conveniently positioned in the armrest. This system requires more of the captain to efficiently operate the vessel.

VCS – Vector Control System

This system offers operation with a joystick and steering tiller (or wheel). The computer translates the steering commands, optimises the jet positioning and rpm to make the boat move as requested by the captain for convenient and easy control. The VCS system helps the Captain quickly become an expert in controlling the vessel. The system accepts Autopilot steering signal.

CSW – Combinator and steering wheel

CSW includes combinator with two levers, steering wheel and a VCS joystick. The combinator levers controls the jet buckets and engine rpm, the steering wheel controls steering just like on a traditional boat. Especially on fast vessels it is appreciated to steer with a steering wheel and control the rpm with the combinator levers. The VCS joystick offers full and computerised control of the vessel in a harbour or at slow speed operation. Clutch control is most often included as well as Autopilot.

Specialized Marine Services & Servicing Of:...

  • Engines

  • Turbochargers

  • Waterjet Propulsion Systems

  • Propulsions

  • Generators

  • Shafting And Propellers

  • Specialized Underwater Repairs

  • Transmissions

  • Controls

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