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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
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Media ID 23877537
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Air And Space Museum Air Transport Aircraft Aviation Company Packard Motor Car Engine Flight Nasm National Air And Space Museum Packard Motor Car Company Propulsion Propulsion Reciprocating Rotary Reciprocating Motion Rotary Engine 1st World War
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This print showcases the remarkable Liberty 12 Model A, a true marvel of aeronautical technology during World War I. Designed by Jesse G. Vincent of Packard and Elbert J. Hall of Hall-Scott in mid-1917, this engine was America's most significant contribution to the war effort. The U. S. government sought a standardized design for combat aircraft engines that could be mass-produced quickly, leading to the creation of four-, six-, eight-, and twelve-cylinder versions. Automakers such as Ford, Lincoln, Packard, Marmon, and Buick rose to the occasion and produced an astounding 20,748 Liberty 12s before the Armistice was signed. This ensured their widespread use well into the following decades. One notable feature of this particular model is its Moss Turbosupercharger system. Based on expertise from General Electric Company's turbine and centrifugal compressor departments led by Dr. Sanford Moss in Lynn, Massachusetts; GE collaborated with Packard Motor Car Company to build these turbo-supercharged engines. The turbo-supercharged Liberty engines powered various aircraft models including LePere LUSAC-11, Martin MB-2 (NBS-1), de Havilland XDH-4BS, and DH-4M-2S – showcasing their versatility in different military applications. This extraordinary photograph captures not only a piece of history but also highlights the ingenuity and collaborative efforts that propelled American aviation technology forward during one of humanity's darkest periods.
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