Packard 1A-2775 X-24 Engine
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"http://n2t.net/ark:/65665/nv991079105-e86c-4983-ba34-3157ca48df11", "record_link": "http://n2t.net/ark:/65665/nv991079105-e86c-4983-ba34-3157ca48df11", "title": {"label": "Object Name", "content": "Packard 1A-2775 X-24 Engine"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Air and Space Museum"}, "indexedStructured": {"geoLocation": [{"L2": {"type": "Country", "content": "United States of America"}}], "object_type": ["Rotary engines", "Reciprocating (piston) engines", "Propulsion systems"], "name": ["Packard Motor Car Company (Detroit, Michigan)"], "place": ["United States of America"], "usage_flag": ["Aviation", "Piston", "Propulsion", "Engines"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "National Air and Space Museum Collection"}], "date": [{"label": "Date", "content": "Circa 1927"}], "identifier": [{"label": "Inventory Number", "content": "A19710899000"}], "notes": [{"label": "Physical Description", "content": "Type: Reciprocating, 24 cylinders, X-type, Liquid-cooled"}, {"label": "Physical Description", "content": "Power rating: 969 kW (1,300 hp) at 2,700 rpm"}, {"label": "Physical Description", "content": "Displacement: 45.5 L (2,775 cu in.)"}, {"label": "Physical Description", "content": "Bore and Stroke: 137 mm (5.375 in.) x 140 mm (5.5 in.)"}, {"label": "Physical Description", "content": "Weight: 761 kg (1,677 lb) (Approximate)"}, {"label": "Summary", "content": "The Packard Motor Car Company produced the world\u00e2\u0080\u0099s first quantity-production 12-cylinder automobile in in 1916, and belief in that engine carried over to aviation in the following year. Development of the Packard X, basically two Model 1500s sharing one crank-shaft, began about 1920. A few years later, under a Navy contract, Packard built two 1A-2775 engines. The first was test flown for the 1927 Schneider Trophy race by Al Williams in a Kirkham racer, but did not compete. Williams later set an unofficial speed record of 515 kilometers (322 miles) per hour in the racer in 1927."}, {"label": "Summary", "content": "For the 1929 Schneider Trophy race, Williams modified the racer into a monoplane, which was designated the Mercury Racer. The aircraft was too heavy, so a second, more powerful engine was prepared. Super-charged and rated at 1,119 kW (1,500) horsepower, it was the most powerful aircraft engine in the world. However, the Navy withdrew its support, and the airplane did not race."}], "creditLine": [{"label": "Credit Line", "content": "Transferred from the U.S. Navy"}], "name": [{"label": "Manufacturer", "content": "Packard Motor Car Company (Detroit, Michigan)"}], "place": [{"label": "Country of Origin", "content": "United States of America"}], "physicalDescription": [{"label": "Materials", "content": "Aluminum, Steel, Paint, Preservative coating, Textile, Rubber, Copper, Cadmium Plating, Ceramic"}, {"label": "Dimensions", "content": "Other: 45 3/16 x 73 3/16 x 26 13/16 x 55 1/2 x 76 x 36in. (114.8 x 185.9 x 68.1 x 141 x 193 x 91.4cm)"}, {"label": "Dimensions", "content": "Approximate (Weighed with Stand by Cat Forklift): 1043.3kg (2300lb.)"}, {"label": "Dimensions", "content": "Approximate ((without stand)): 760.7kg (1677lb.)"}], "dataSource": [{"label": "Data Source", "content": "National Air and Space Museum"}], "objectRights": [{"label": "Restrictions & Rights", "content": "CC0"}], "objectType": [{"label": "Type", "content": "PROPULSION-Reciprocating & Rotary"}]}}, "url": "edanmdm:nasm_A19710899000", "hash": "979d07ec2ce4366a2bb3cdeb04439e7548284f82", "docSignature": "d850cc42e3a18af9c536c4d5f9930efe", "timestamp": 1666664365, "lastTimeUpdated": 1653682064, "title": "Packard 1A-2775 X-24 Engine"}