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 ...
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XF-88 Voodoo: Supersonic Propeller Jet with Afterburners
After World War II, the United States Air Force began developing a new long-range penetration fighter capable of escorting ...
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