The Pratt & Whitney R-2800 was the most remarkable piston aircraft engine ever built. This compact 18-cylinder, twin-row radial powered a huge number…
In 1906, the French company Société L. Dutheil, R. Chalmers et Cie (Dutheil-Chalmers) began developing aircraft engines for early aviation pioneers. The company was…
In the late 1910s, French engineers Jean Joseph Marie Bertrand and Louis Joseph Henry Solant conceived of a modular engine concept that was…
In April 1926, the Curtiss Aeroplane and Motor Company (Curtiss) initiated the design of a 600 hp (447 kW) air-cooled aircraft engine. The…
The BMW R 11, a series of motorcycles produced by the renowned Bavarian Motor Works (BMW), holds a unique place in both automotive…
Among the most successful early engines marketed in the United States were those designed and built by aviation pioneer and inventor Glenn Curtiss…
The More Turrets, the Merrier? Right from the very beginning of the development of the tank concept, the idea that tanks could have…
In 1942, Soviet designers created a flying tank. That’s no metaphor: it was not a heavily armed attack aircraft with large caliber guns…
A subsequent design would be tried again in 1915 due to the lack of armored vehicle options for the French military at the…
Military vehicles are often named after animals to reflect their abilities. The F-15 Eagle fighter jet is an all-American air superiority aircraft while…