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1916 Packard Twin Six Model 1-35 Touring Sedan. The first company produced 12-cylinder engine was in 1916, called the Packard Twin Six (1-25, 1-35) signifying two different wheelbases of 125 in (3,200 mm) and 135 in (3,400 mm), and was for four years the only product sold until the Single Six returned in 1921.
The Packard 1A-2500 is an American V-12 liquid-cooled aircraft engine designed by Packard in 1924 as a successor to the World War I-era Liberty L-12. [1] Five aero variants were produced, of which the 3A-2500 was the most numerous.
Packard's engineering staff designed and built excellent, reliable engines. Packard offered a 12-cylinder engine—the "Twin Six"—as well as a low-compression straight-eight, but never a 16-cylinder engine. After WWII, Packard continued with their successful straight-eight-cylinder flathead engines. While as fast as the new GM and Chrysler ...
The Packard V-1650 Merlin is a version of the Rolls-Royce Merlin aircraft engine, produced under license in the United States by the Packard Motor Car Company. [1] The engine was licensed to expand production of the Rolls-Royce Merlin for British use. The engine also filled a gap in the U.S. at a time when similarly powered American-made ...
The Rolls-Royce Merlin is a British liquid-cooled V-12 piston aero engine of 27-litre (1,650 cu in) capacity. Rolls-Royce designed the engine and first ran it in 1933 as a private venture. Initially known as the PV-12, it was later called Merlin following the company convention of naming its four-stroke piston aero engines after birds of prey ...
The Liberty L-8 (also known as the Packard 1A-1100) was a prototype of the Liberty L-12 engine designed by Jesse Vincent and Elbert Hall. Fifteen L-8 prototypes were manufactured by several companies including Buick, Ford, Lincoln, Marmon, and Packard in 1917.
The Packard 1A-1500 was an American 12-cylinder liquid-cooled 60-degree Vee piston aircraft engine designed in 1924. [1] Test flown in the second prototype Douglas XO-2 , it proved to be unreliable. Only 29 engines were built.
The Liberty L-12 is an American water-cooled 45° V-12 engine, displacing 1,649 cubic inches (27 L) and making 400 hp (300 kW), designed for a high power-to-weight ratio and ease of mass production. It was designed principally as an aircraft engine and saw wide use in aero applications.