Airplane propellers are primarily categorized into fixed-pitch, which are simple and low-cost but offer a performance compromise, and variable-pitch types, designed to optimize thrust and engine load ...

When one thinks of the average airplane, odds are that propellers are part of that mental image. They've been a crucial component of airplane construction from the moment air travel found its footing ...

The U.S. military has long relied upon jet engines for its fighter and attack aircraft. As early as the 1940s, U.S. aircraft were experimenting with jet engines, threatening to make the ...