Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...

This collection consists of .26 cubic feet of articles, drawings, and images chronicling Fred A. Thaheld's aeronautical engineering career, including his work with the following aircraft diesel ...

FOUNDER FIRED: Aircraft diesel engine maker Thielert has had to file for insolvency after the board of directors ousted management last week, including founder Frank Thielert. The board took the ...

In 1925, the Wasp was a leap forward in aircraft power, reliability, and performance – one that rocketed the trajectory of aviation technology into the post-war era. Its nine-cylinder, air-cooled ...

Up to three engine makers could share €60 million ($70.3 million) in EU funding to build ground demonstrators of hybrid-electric narrowbody powerplants under Clean Aviation’s next round of projects.