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 ...

THIS paper recounts, step by step and model by model, the development of the Allison V-1710 aircraft engine – the first liquid-cooled military aircraft engine in production in this country. Since 1930 ...