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Kort nozzle The towboat Dolphin I in a floating drydock on the Mississippi River in Algiers, Louisiana. A ducted propeller, also known as a Kort nozzle, is a marine propeller fitted with a non-rotating nozzle. It is used to improve the efficiency of the propeller and is especially used on heavily loaded propellers or propellers with limited ...
The rim-driven thruster, also known as rim-driven propulsor/propeller (or RDP) is a novel type of electric propulsion unit for ships. The concept was proposed by Kort around 1940, but only became commercially practical in the early 21st century due to advances in DC motor controller technology. [ 1 ]
A propulsor is a mechanical device that gives propulsion. The word is commonly used in the marine vernacular, and implies a mechanical assembly that is more complicated than a propeller. The Kort nozzle, pump-jet and rim-driven thruster are examples. An example propulsor is shown in the accompanying picture.
Reaction Engines Limited (REL) was a British aerospace manufacturer founded in 1989 and based in Oxfordshire, England. [1] The company also operated in the USA, where it used the name Reaction Engines Inc. (REI).
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 ...
The company's shares trade at a 12-month forward price-to-earnings ratio of 19.58, compared with Microsoft's 32.03 and Amazon's 36.79, according to data compiled by LSEG.
Also in Japanese companies news, Honda's stock price surged nearly 17%, while that of Nissan's eased 0.07%. The two are in talks to merge by 2026, they said on Monday, a historic pivot for Japan's ...
Swedish electric-vehicle battery maker Northvolt said on Friday it expects to line up additional bankruptcy financing by late January after engaging with over 100 lenders and potential investors.