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The Santa Maria in 2008. The Santa Maria Ship & Museum was a museum ship in downtown Columbus, Ohio.The craft was a full-size replica of the Santa María, one of three ships Christopher Columbus used in 1492 during his first voyage to the Americas.
It was built by the Scarano Brothers Boat Building Company in Albany, New York, who later cut the ship in half and transported it by truck to the Scioto River. The replica cost about $1.2 million. The ship was constructed out of white cedar as opposed to the oak used on the original to give the ship a long life in the Scioto River and to reduce ...
Rolls-Royce Kamewa 90SII waterjets of a Hamina-class missile boat. AB Karlstads Mekaniska Werkstad (trans. Karlstad Mechanical Works Ltd), known as Kamewa, was a Swedish manufacturing company in the city of Kristinehamn. Kamewa started as a brand name of the controllable-pitch propellers manufactured by KMW.
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 systems consisting of an electric motor or internal combustion engine driving a propeller, or less frequently, in pump-jets, an impeller.
[clarification needed] The choice between using thrusters or traditional propellers to propel marine vessels is a compromise between versatility and efficiency. Propellers are designed to work in-line with a propulsion plant and produce one-directional thrust while thrusters are more customizable and have a more versatile application.
McCauley Propeller Systems is an American aircraft propeller manufacturer, founded in Dayton, Ohio in 1938 by Ernest G. McCauley. [1] At its peak, it was reportedly the world's largest aircraft propeller manufacturer, [ 2 ] or at least the largest manufacturer of general aviation propellers.