UJ340 UD177-9 2-10 - 2 Pages

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Catalogue excerpts

Features & Benefits • New low profile for lower decks • New hydrodynamic intake housing • Higher inspection cover to prevent • Improved reversing with new reverse deflector • New inboard hydraulic cylinder for reverse deflector operation • Higher mid-range thrust for improved cruising speed and • Less static hull immersion required for initial priming • Wide range of Ultra-developed reversing controls • Standard rubber impeller shaft bearing or optional composite bearing if dry running is required • Light weight and compact design with a variety of on jet mounted control systems • High propulsive efficiency • Superior manoeuvrability. Ability to accelerate quickly, reverse, stop, rotate, hold station and move sideways for ease of craft - high thrust at low speed • Lower vibration and noise levels than other propulsion methods diameter impeller provides higher thrust per horsepower when matched to modern en- is one of a range of high performance UltraJet drives developed for commercial, pleasure and military craft. SINGLE STAGE design utilising four or five bladed impellers to match the specified en- gine power at a range of input speeds. The UltraJet 340 is derived from the Ultra and Dowty jet drive range used in military and commercial applications for almost forty years. The UJ340 incorporates an efficient and robust axial flow pump, reverse and steering controls, and has many of the same design features as the other modern "UltraJet designs". Planing Craft Maximum input power 448 kW (600 bhp) Twin jets up to 20 tonnes (44,080 lb.) Triple jets up to 32 tonnes (70,528 lb.) Displacement Craft Note: The displacement figures below can often be exceeded on good hull shapes. Twin jets up to 33 tonnes (72,732 lb.) Triple jets up to 55 tonnes (121,220 lb.)

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UltraJet 340 Installation Data Typical Specifications: 1. Impellers are available to match most diesel and gasoline engine and transmission combinations for optimum thrust performance. 2. DIN, SAE or other drive flange options can be supplied. 3. Unit weight 250 kg (551 lb) dry (Includes hydraulic system and controls). 291 kg (641 lb) including entrained water. 4. Consult ULTRA Dynamics Technical Department for vessel and performance analysis. Ultra Dynamics Limited Upperfield Road, Kingsditch Trading Estate Cheltenham, Glos, GL51 9NY, England. E-mail: Sales@ultradynamics.demon.co.uk E-mail: sales@ultradynamics.com We...

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