In the minds of the majority of individuals when aircraft engines are considered, an image of either revolving propellers or ...
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 ...
Most of the time, an aeronautical engine is only somewhat interesting without the context of the aircraft it's mounted inside. There are a few exceptions, of course. We need not name-drop the ...