Liberty 12 Model A (Packard), Moss Turbosupercharged, V-12 Engine, October 31, 1918

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Liberty 12 Model A (Packard), Moss Turbosupercharged, V-12 Engine, October 31, 1918

The Liberty engine was Americas most important contribution to aeronautical technology during World War I. Jesse G. Vincent of Packard and Elbert J. Hall of Hall-Scott co-designed it in mid-1917 for the U.S. government, which wanted a standard design in 4-, 6-, 8-, and 12-cylinder versions that could be quickly mass-produced to equip U.S. combat aircraft. Automakers Ford, Lincoln, Packard, Marmon, and Buick produced 20, 748 Liberty 12s before the Armistice, which insured their widespread use into the 1920s and 30s. Details of the turbo-supercharger design were based on experience of the turbine and centrifugal compressor departments of the General Electric Company, where the first one was built at its facility in Lynn, Massachusetts, led by Dr. Sanford Moss. The Packard Motor Car Company built the engine, and GE built the turbo-supercharger assembly. Turbo-supercharged Liberty engines powered aircraft such as the: LePere LUSAC-11, Martin MB-2 (NBS-1), de Havilland XDH-4BS and DH-4M-2S

Media ID 23877537

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