UJ377 UD371-2 2-10 - 2 Pages

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Catalogue excerpts

Features & Benefits • Compact design with jet-mounted control system • High propulsive efficiency • Superior manoeuvrability. Ability to accelerate quickly, reverse, stop, rotate, hold station and move sideways/easier docking craft - superior thrust at low boat speeds compared to other propulsion systems • Lower vibration and noise levels than other propulsion methods • Manufactured to highest military and marine quality standards • Integral hydraulic reservoir and • UltraJet Joystick Control Systems mean complex craft manoeuvres are easier for the operator. Simple to fit - supplied as plug and play • Inboard hydraulic cylinders for reverse deflector operation • Ultra-developed electrohydraulic reversing controls • Integral jet-driven hydraulic pump • Higher mid-range thrust for improved cruising speed and fuel economy • Minimal service costs over life of (14.8") diameter impeller provides higher thrust per horsepower when matched to is the latest in the range of high performance UltraJet drives developed for commercial, pleasure and military craft. SINGLE STAGE design utilising four or five blade impellers to match the specified engine power at a range of input speeds. The UltraJet 377 is derived from the Ultra and Dowty jet drive range used in military incorporates an efficient and robust axial flow pump, reverse and steering controls, and is the culmination of over 45 years of research, development and practical Planing Craft (above 25 knots) Maximum input power 597 kW (800 bhp). Twin jets up to 26 tonnes (57,304 lb.) Triple jets up to 42 tonnes (92,568 lb.) Displacement Craft (below 15 knots) Maximum input power 280 kW (375 bhp). Twin jets up to 45 tonnes (99,180 lb.) Triple jets up to 90 tonnes (198,360 lb.) The upper displacement figures shown for planing craft are maximum displacement values for use only on very good planing hulls. Best efficiency would be achieved when using jets at the lower displacement

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UltraJet 377 Installation Data Typical Specifications: 1. Impellers are available to match most diesel engine and transmission combinations for optimum thrust performance. 2. DIN, SAE or other drive flange options are available. 3. Unit weight 389 kg (856 lb.) dry (including hydraulic system and control valves). 471 kg (1036 lb.) including entrained water. 4. Consult ULTRA Dynamics Technical Department for vessel and performance analysis. Ultra Dynamics Limited Ultra Dynamics, LLC Upperfield Road, 1110A Claycraft Road Kingsditch Trading Estate Columbus, Ohio 43230, U.S.A. Cheltenham, Glos, GL51...

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