Wright Whirlwind J-4B, Byrd North Pole Flight, Radial 9 Engine
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RADIAL 9 ENGINE", "guid": "http://n2t.net/ark:/65665/nv96b1065de-1bf5-4371-a579-8100a1ac8081", "record_link": "http://n2t.net/ark:/65665/nv96b1065de-1bf5-4371-a579-8100a1ac8081", "title": {"label": "Object Name", "content": "Wright Whirlwind J-4B, Byrd North Pole Flight, Radial 9 Engine"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Air and Space Museum"}, "indexedStructured": {"date": ["1920s"], "geoLocation": [{"L2": {"type": "Country", "content": "United States of America"}}], "object_type": ["Rotary engines", "Reciprocating (piston) engines", "Propulsion systems"], "name": ["Lawrance Aero Engine Corp", "Wright Aeronautical"], "place": ["United States of America"], "usage_flag": ["Aviation", "People", "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 1926"}], "identifier": [{"label": "Inventory Number", "content": "A19750207000"}], "notes": [{"label": "Physical Description", "content": "Type: Radial, 9 cylinders, air cooled"}, {"label": "Physical Description", "content": "Power rating: 160 kW (215 hp) at 1,800 rpm"}, {"label": "Physical Description", "content": "Displacement: 12.9 L (788 cu in)"}, {"label": "Physical Description", "content": "Bore and Stroke: 114 mm (4.5 in.) x 140 mm (5.5 in.)"}, {"label": "Physical Description", "content": "Weight: 231 kg (508 lb)"}, {"label": "Summary", "content": "Charles Lawrance started his designs for an air-cooled engine in 1915. In 1921, Lawrance designed his first engine for a U.S. Navy contract, which wanted a compact lightweight engine not plagued with water leakage problems. Following a Navy encouraged merger with Wright, the Lawrance engine progressed through design stages, as the Wright Whirlwind J-3, J-4, J-5, and J-6 series. The most famous of these was the J-5, used by Lindbergh."}, {"label": "Summary", "content": "J-4 engines powered such aircraft as the Fairchild FC-1 and FC-2, Fokker Universal, Laird Commercial LC-B200, Stearman C2B and C3B, and Stinson Detroiter SB-1. When introduced in 1925, the J-4 was adopted by the Navy as a stock power plant. A total of 190 J-4 engines were built."}, {"label": "Summary", "content": "In 1926, Admiral Richard Byrd and Floyd Bennett made a flight from Spitzbergen, Norway over the North Pole and back. This was the first airplane flight over the Pole, and used the J-4B engine in a Fokker F-VII Tri-motor."}], "creditLine": [{"label": "Credit Line", "content": "Transferred from the U.S. Air Force, Wright-Patterson AFB, Ohio. No known restrictions."}], "name": [{"label": "Designer", "content": "Lawrance Aero Engine Corp"}, {"label": "Manufacturer", "content": "Wright Aeronautical"}], "place": [{"label": "Country of Origin", "content": "United States of America"}], "physicalDescription": [{"label": "Materials", "content": "Steel, Paint, Aluminum, Copper, Rubber, Textile, Phenolic, Preservative Coating, Brass"}, {"label": "Dimensions", "content": "Other: 52 x 51 x 42 in., 336.6kg (132.1 x 129.5 x 106.7cm, 742lb.)"}], "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_A19750207000", "hash": "a86f1994365389e29e57e292d9c13306c5d09eef", "docSignature": "cdde5f92ec29b3d6691ff974d0ef64a4", "timestamp": 1666664365, "lastTimeUpdated": 1653682065, "title": "Wright Whirlwind J-4B, Byrd North Pole Flight, Radial 9 Engine"}