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TD490 HC

TD490 HC
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ADVANCED HIGHLY EFFICIENT MARINE PROPULSION SYSTEM

The Castoldi "Turbodrive 490 H.C." is not only what is led to all the experiences gained since 1955 with the supply of more than 30.000 water jet units all around the world. It is the outcome of specific intensive research and development activities begun in 1985 aimed to further improve the high efficiency of the Castoldi waterjet drives and pursued trough self propulsion trials (of really No. 24 scale models) performed by means of an instrumented laboratory boat. The Castoldi "Turbodrive 490 H.C." turns out, therefore, as an advanced waterjet unit of the best performance at planing speed,...

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i -input shatt. WATER JET UI 2 • Combined set of oil lubricated radial-axial bearings. 3 • Gear box with n.20 gearweels ratio available for the best engine matching. 4 • Radial oil lubricated roller bearings. 5 • Hydraulic oil pump directly mounted on the input shaft for water jet unit control (steering, reversing, hydraulic multi disk clutch and intake cleaning). 6 • Inspection hatch for impeller, duct and inlet grid inboard inspection. 7 • Hydraulic actuator for steering control. 8 • Hydraulic actuator for reversing control. 9 • Impeller housing easy replaceable titanium wear ring. 10 •...

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BENEFITS 930 (36.6”) 12° SAFETY ✔ Absence of open rotating blades ✔ Absence of any appendage under hull 1462 (57.5”) 960 (37.8”) 1524 (60”) ✔ Unrivalled emergency crash stop capability ✔ Minimal damage susceptibility to floating debris and in case of grounding 582.5 (22.9”) ✔ No interference in multiple installations ✔ Jet power absorption insensitive to boat speed means constant jet thrust at boat drag variation ASSE MOTORE INPUT SHAFT 320 (12.6”) ✔ The highest efficiency in the 25 to 60 knots speed range ✔ Higher top speed versus subcavitating propellers and consequent better fuel economy...

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