IN the early part of the twentieth century, aricraft wre power by internal combustion engines. These engines became increasingly heavy and complex as efforts were made to create speedier planes, Aircraft engine designers realized the capabilities of...

A jet engine is an engine that discharges a fast moving jet of fluid to generate thrust in accordance with Newton's third law of motion. This broad definition of jet engines includes turbojets, turbofans, rockets, ramjets, pulse jets and pump-jets, but...

Englishman Frank Whittle and German Hans-Joachim Pabst von Ohain revolutionized aviation with their rival inventions of the first turbojet engines. Both Whittle and Ohain experienced problems in their engines' combustion systems and both received recognition from their governments. Whittle's engine was tested on a...

Poor efficiency kept the marine jet from regaining popularity in big-block engines after the fuel crunch of the 1970s. The jet drive re-emerged on smaller engines in the 1990s, and it is a popular choice for shallow-river running and watersports. Jet power was...

When it comes to winning new business there's nothing more satisfying than bringing a longtime holdout on board.Laurans Mendelson, chief executive of Heico HEI, knows all about it. Heico operates in niche segments of the aviation, defense, space and electronics fields. Its biggest arm, at...

Three historic piston-engined airliners, among the last built before the jet engine changed commercial aviation, have been bought by a division of the German airline Lufthansa for a total of $748,000.Maurice Roundy had been trying for years to make at least one of the Lockheed...