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Technical data sheet Castoldi Jet 05 Intro Technical data The Castoldi water jet unit type Jet 05 is a versatile marine drive propulsion system that has experienced continued success since it introduction in 1970. Max power input Thousands of units have been installed on different types of boats and this experience has led to numerous improvements resulting in a finely tuned and reliable unit. 175 Kw (238 HP) Impeller diameter 200 mm (at inlet) Dry weight (waterjet unit complete) 75 Kg Transom angle 11° 30' Jet 05 has several features that make this model stand out from other marine propulsion units: Built in gear box for adapting the power and RPM characteristics of the engine to jet drive. 17,5 lts Oil volume in integrated gear box 4 lts Maximum recomended displacement tons 1 UNIT : 1,5 2 UNITS : 3,7 Water pump type Three blades, single stage, Built-in gear box With No. 17 gear wheels ratio available Water jet’s impeller disconnecting/connecting system Positive clutch mechanically operated Drive shaft rotation CW seen from inboard towards outboard Bearings All oil lubricated Inspection hatches No. 2 outboard Water intake protection Jet 05 casting is made of super tough light weight special alluminium alloy for marine use protected by the most sophisticated anti-corrosion finish possible, being hard anodized up to 60 micron and becoming very durable. The most important parts as impeller, impeller housing liner, shafting ecc are manufactured in high grade stainless steel. Volume of entrained water Debris screen grid with movable double set of hydrodinamically profiled bars Nozzle Standard with 4 blades axial flow Hydraulic actuators All inboard mounted on jet unit Hydraulic power unit and accessories Built in hydraulic pump, rams and valves Hydraulic steering Hydraulic helm Main parts' materials Positive clutch fo engaging disengaging the impeller. and Impeller Durethan or AISI 316 L stainless steel micro casted Impeller shaft Remote operated movable debris screen rake for protecting and cleaning the jet unit water intake. Aquamet 17 (17,4 PH) stainless steel Input shaft 39 Ni.Cr.Mo.3. high grade steel AISI 316 L stainless steel Impeller All oil lubricated bearings. Steering and reversing shaft AISI 316 L stainless steel Impeller housing wear ring AISI 316 L stainless steel Stator blades with nozzle steering and reversing deflectors G.Al.Si.7 marine grade aluminium alloy Water jet body with gear case and impeller housing G.Al.Si.9 marine grade aluminium alloy Finishing and protection against corrosion Hard anodising treatment (60 Micron) on all the aluminium alloy parts : • 3 layers of special paint. • Cathodic protection with sacrificial zinc anodes Castoldi SpA Strada provinciale 114 n°10, Albairate – 20080 – MI IT - Italy

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Technical data sheet Castoldi Jet 05 The above curves show the power absorption characteristics for the range of gear wheels ratio available. The engine maximum flywheel power/r.p.m. output should lie within the area between 37/29 and 25/57 ratio. For matching a given engine, the proper gear ratio is indicated on the diagram by the curve close to the intersection point resulting from the engine net power and its operating r.p.m. When the point lies at the middle between two curves, the left curve’s ratio is recommended in order to not exceed the engine maximum r.p.m. CONTROLS’ TYPES -...

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