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A Corliss steam engine (or Corliss engine) is a steam engine, fitted with rotary valves and with variable valve timing patented in 1849, invented by and named after the US engineer George Henry Corliss of Providence, Rhode Island. Corliss assumed the original invention from Frederick Ellsworth Sickels (1819- 1895), who held the patent (1829) in ...
At the same time, Mabuchi was in talks with a world-class manufacturer of electric shavers which had a demand for a special core motor with the close to the same efficiency as a coreless motor. [22] The Mabuchi brothers developed the motor, model RD-180, and it was smaller and more responsive than the electric shaver company's previous motor. [22]
The "S" designation originally stood for six hundred horsepower and the "N" designation for nine hundred horsepower, although they were used for the more general designation of smaller and larger engine models after the more powerful 567 model engines replaced the Winton engines. The "C" designation stood for cast frame locomotives and the "W ...
A miniature coreless motor. The coreless or ironless DC motor is a specialized permanent magnet DC motor. [74] Optimized for rapid acceleration, the rotor is constructed without an iron core. The rotor can take the form of a winding-filled cylinder, or a self-supporting structure comprising only wire and bonding material.
Kato Precision Railroad Models (関水金属株式会社, Sekisui Kinzoku Kabushikigaisha) is a Japanese manufacturer of model railroad equipment in N and HO scales. Founded in 1957, [1] the Tokyo-based company manufactures models based on Japanese prototypes (such as the Shinkansen bullet train and Cape gauge trains and locomotives) for the Japanese market, North American prototypes for the ...
Because of the sudden popularity of N scale model railroading around 1966, Bachmann entered the trains market by starting its N scale trains products in June 1968, [4] with cars packaged in white jewel cases. [5] However, problems of initial run led to a retooling the following year. [6] In 1970 Bachmann entered the HO trains market. [7]