Piston-engined fighters ruled the roost for thirty years. A brutal survival of the fittest ensured a rapid evolution of these ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

Half title: Smithsonian Institution, National Air and Space Museum. "Fourth Lester B. Gardner lecture, delivered at the Massachusetts Institute of Technology, March 8, 1962, and at the Smithsonian ...

Tetraethyl lead (TEL) was a crucial additive that enabled the development and high-performance of piston aircraft engines, playing a vital role from Charles Lindbergh's pioneering flights to the ...

The Boeing 707 represents a turning point in the history of aviation, a moment when air travel began to take on the speed, scale, and accessibility that define it today. Its arrival marked a shift not ...

In response to a congressional request, the committee will conduct a study and issues a report on lead emissions from piston-powered general-aviation aircraft. The committee’s report will include ...