In 1945, preliminary design began on Allison's first turboprop engines. One was the T40 (Allison Model 500), which consisted of two T38 power sections driving co-axial contrarotating propellers ...

When you're at an airport and see propeller aircraft, you likely think it is powered by a piston engine. This is usually true among smaller planes, like the Cessa 172 Skyhawk and the Piper Archer, or ...

When a Lockheed Electra plunged 62 persons to their death in Boston Harbor fortnight ago, Administrator Elwood R. Quesada of the Federal Aviation Agency pointed the finger of blame at the flocks of ...

Today's passenger aircraft house some of the most cutting-edge innovations in engine technology, and that list most certainly includes turboprop engines. In layman's terms, a turboprop is a jet engine ...