Last updated Atlas Imperial Advertisement from April 1918 issue of Pacific Motorboat.An Atlas-Imperial diesel tugboat engine in Brooks, Oregon
Atlas-Imperial Diesel Engine Company was an American manufacturer of diesel engines based in Oakland, California. The company was created in 1916 when two early gasoline engine companies combined to manufacture diesel engines, following the expiration of Rudolph Diesel's patents.[1][2][3]
The company made diesels for tugboats, fishboats, coasters, yachts, lightvessels, and other ships. The company produced engines in a variety of sizes and ratings, from a 2-cylinder model that generated 30 horsepower (22kW) to an 8-cylinder model that generated 600 horsepower (450kW). Known for their reliability and serviceability, Atlas diesels were installed in workboats around the world.[citation needed] While the Atlas-Imperial factory closed in the 1950s, its engines continued to power vessels well into the era of high-speed, small-cylinder diesel technology.[citation needed] Today, numerous Atlas Imperial engines remain, with some still in operational condition.[4][5][6]
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the mechanical horsepower, which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts.
The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel. It resembles a stylized star when viewed from the front, and is called a "star engine" in some other languages.
Fairbanks, Morse and Company was an American manufacturing company in the late 19th and early 20th century. Originally a weighing scale manufacturer, it later diversified into pumps, engines, windmills, coffee grinders, radios, farm tractors, feed mills, locomotives, and industrial supplies until it was purchased by Penn Texas in 1958.
The EMD 645 is a family of diesel engines that was designed and manufactured by the Electro-Motive Division of General Motors. While the 645 series was intended primarily for locomotive, marine and stationary engine use, one 16-cylinder version powered the 33-19 "Titan" prototype haul truck designed by GM's Terex division.
The EMD SW900 is a diesel switcher locomotive built by General Motors Electro-Motive Division and General Motors Diesel (GMD) between December 1953 and March 1969. Power was provided by an EMD 567C 8-cylinder engine that generated 900 horsepower (670 kW). Built concurrently with the SW1200, the eight-cylinder units had a single exhaust stack. The last two SW900s built by GMD for British Columbia Hydro were built with 8 cylinder 645E engines rated at 1,000 horsepower (750 kW).
Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin. The main product line is outboard motors. It also produces the MerCruiser line of sterndrives and inboard motors. Some manufacturing is in Fond du Lac, while 40-60 HP motors are made in China. Smaller motors are Tohatsus that have been rebadged.
Clessie Lyle Cummins was the founder of the Cummins Engine Co. He was an entrepreneur who improved on existing diesel engines, created new diesel engine designs, was awarded 33 United States patents for his inventions, and set five world records for endurance and speed for trucks, buses and race cars.
SEMT Pielstick was a French company that designed and built large diesel engines. Its full name was Société d’Etudes des Machines Thermiques.
The term turbo-diesel, also written as turbodiesel and turbo diesel, refers to any diesel engine equipped with a turbocharger. As with other engine types, turbocharging a diesel engine can significantly increase its efficiency and power output, especially when used in combination with an intercooler.
Rolls-Royce was a British luxury car and later an aero-engine manufacturing business established in 1904 in Manchester by the partnership of Charles Rolls and Henry Royce. Building on Royce's good reputation established with his cranes, they quickly developed a reputation for superior engineering by manufacturing the "best car in the world". The business was incorporated as Rolls-Royce Limited in 1906, and a new factory in Derby was opened in 1908. The First World War brought the company into manufacturing aero-engines. Joint development of jet engines began in 1940, and they entered production. Rolls-Royce has built an enduring reputation for development and manufacture of engines for defence and civil aircraft.
The Diamond T Company was an American automobile and truck manufacturer. They produced commercial and military trucks.
The Standard Vanguard is a car which was produced by the Standard Motor Company in Coventry, England, from 1947 until 1963.
The Enterprise Foundry Company was incorporated in 1908. On 28 November 1940 the company name was changed to Enterprise Engine & Foundry Company to reflect the changed nature of the business. The original foundry was established in 1886.
The Electric Launch Company, later renamed Elco Motor Yachts ("Elco"), is an American boat building and electric motor company that has operated from 1893 to 1949 and from 1987 to the present.
The Universal Atomic 4 is a four-cylinder, gasoline engine produced by the Universal Motor Company between 1949 and 1984 for use as auxiliary power on sailboats. Both 18 horsepower (13 kW) and 30 horsepower (22 kW) versions of the engine were produced. Over 40,000 of the engines were produced during that time, with an estimated 20,000 still in use today.
The Detroit Diesel Series 110, with 110 cubic inches (1.8 L) displacement per cylinder, was introduced in 1945 as more-powerful alternative to the existing Series 71 engines. It was used in a variety of applications, including construction equipment, marine propulsion and power generation. The most popular use was in the Budd RDC self-powered rail car. It was also heavily used in Euclid construction machinery. In 1951 a marine version was also introduced.
The New London Ship and Engine Company (NELSECO) was established in Groton, Connecticut as a subsidiary of the Electric Boat Company to manufacture diesel engines.
BMW Marine GmbH was BMW's marine engine division. BMW's interest in marine engines dated back to 1913; they began making marine engines in 1919 after World War I.
The EMD 1010 or EMD 265 is a line of four-stroke diesel engines manufactured by Electro-Motive Diesel. The precursor to the 1010 was introduced around 1998 as the 265H or H-Engine. The H-engine was initially designed for use as a 6,300 hp (4,700 kW) 16 cylinder, the EMD SD90MAC; however, the early engines were found to be explosive, and unsuccessful in the market, with the proven EMD 710 2-stroke design being preferred. The EMD four-stroke engine was resurrected in 2015 to meet EPA Tier 4 emissions regulations.
The Cleveland Diesel Engine Division of General Motors (GM) was a leading research, design and production facility of diesel engines from the 1930s to the 1960s that was based in Cleveland, Ohio. The Cleveland Diesel Engine Division designed several 2 stroke diesel engines for submarines, tugboats, destroyer escorts, Patapsco-class gasoline tankers and other marine applications. Emergency generator sets were also built around the Cleveland Diesel and were installed in many US warships. The division was created in 1938 from the GM-owned Winton Engine Corporation and was folded into the GM Electro-Motive Division in 1962. The engines continue in use today on older tugs.
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