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Automotive manufacturer Volkswagen Group has produced diesel engines since the 1970s. Engines that are currently produced [when?] are listed in the article...

Dihedral angle is the upward angle from horizontal of the wings or tailplane of a fixed-wing aircraft. "Anhedral angle" is the name given to negative dihedral...

The Avia BH-7 was a prototype fighter aircraft built in Czechoslovakia in 1923. It was a parasol-wing monoplane developed in tandem with, and as an alternative...

Hacker-Craft is the name given to boats built by The Hacker Boat Co., an American manufacturer founded in Detroit, Michigan, in 1908 by John L. Hacker...

A drawworks is the primary hoisting machinery component of a rotary drilling rig. Its main function is to provide a means of raising and lowering the traveling...

The Chinese Standard Movement, also commonly known as the "Tongji" (Chinese: 统机, "unified") movement, is a mechanical watch movement that was developed...

The Argus Fernfeuer (long-range fire) concept was proposed in 1939 as an unmanned aerial vehicle (UAV) for mine-laying. Later roles were planned for bombing...