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Oberto unlimited hydroplane in 2007, with extended air scoop. A hydroplane (or hydro, or thunderboat) is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than ...
The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...
Orbital O2. Orbital Marine Power (formerly Scotrenewables Tidal Power Ltd) is a Scottish renewable energy company focused on the development and global deployment of its pioneering floating turbine technology. The O2 is Orbital's first commercial turbine and represents the culmination of more than 15 years of world leading product development ...
Marine propulsion. Rolls-Royce Marine Spey, a gas turbine developed by Rolls-Royce Holdings in the 1960s for marine propulsion. Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical ...
Blade solidity is an important design parameter for the axial flow impeller and is defined as the ratio of blade chord length to spacing. Airfoil nomenclature. Blade Solidity = c/s. Where. is the spacing. is the mean radius. is blade number. Chord length c is the length of the chord line. In case of an axial flow impeller mean radius is defined ...
The turbine blades have a golden colour in this engine cutaway. A turbine blade is a radial aerofoil mounted in the rim of a turbine disc and which produces a tangential force which rotates a turbine rotor. [2] Each turbine disc has many blades. As such they are used in gas turbine engines and steam turbines.
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