National Air and Space Museum Engine Display
Stephen F. Udvar-Hazy Center

Photos by John Fowler

Photos by Steven Brown and Kimble D. McCutcheon

Part of the Restoration Team L-R: Jeremy Kinney, Curator; Robert Mawhinney, Restoration Specialist; Scott Wood, Restoration Specialist - Dwarfed by the Lycoming XR-7755 engine stand, undergoing preservation.	One of Many Garber Engine Storage Buildings One aim of the new Udvar-Hazy Center is to display more of the engines that are now in storage.	Another Garber Engine Storage Facility The National Air and Space Museum has over 500 engines in its collection, not including ones that are attached to aircraft.	Allison V-3420-23 (V-3420-B10) Used in the Fischer XP-75, power is transferred to a contra-rotating propeller via two drive shafts that pass through the cockpit to the front mounted propeller reduction gear.	Continental XR-1740-2 This 14-cylinder single-sleeve-valve engine was one of several attempts by Continental to sell the sleeve valve concept.	Continental XR-1740-2 Rear view	Continental XR-1740-2	Curtiss OX-5
Fairchild Caminez 447-C One of several cam engine designs from the 1920s	Langley-Manly-Balzer Power for the Langley Aerodrome	Lycoming XR-7755-3 This 5,000 hp engine was intended to power the Convair B-36 and other huge long-range bombers.	Napier Nomad Model E.145 A 12-cylinder two-stroke turbo-compounded Diesel, the Nomad was one of the most complex and fuel-effecient engines ever built.	Napier Nomad Model E.145	Napier Nomad Model E.145	Napier Nomad Model E.145	Napier Nomad Model E.145
TCM Voyager 200 The liquid-cooled rear engine of Burt Rutan's world-circling Voyager aircraft.	Pratt & Whitney Wasp Major R-4360 Cutaway	Wright (Armstrong Siddeley) Sapphire J65 Used in the Douglass Skyhawk	General Electric CF6 Turbofan	Wright XR-2120 The last in a series of "Hex" engines, the XR-2120 was an unusual two-row radial with six cylinders per row.	Taft-Pierce-Loughead V-8 This engine was designed by Victor Lougheed, elder brother to Allan and Malcolm Loughead, founders of the Lockheed Aircraft Company. Lougheed designed and built the engine in 1911 and the Taft-Pierce Manufacturing Company of Woonsocket, Rhode Island, manufactured it. It was made almost entirely of Krupp chrome nickel steel at a cost of $15,000, the crankcase and cylinders being turned from solid billets weighing approximately 2,000 lb. Fuel and lubrication were forced into the cylinders through bypasses in the sides of the cylinders and pistons. The multiple system of poppet valves, of which there were six in the head of each power-producing cylinder, provided for excellent and rapid scavenging of combustion gases. The eight air pumps, projecting from the lower part of the crankcase, maintained in the crankcase at all times a compression of air which was expelled through the cylinders on the exhaust stroke, and assisted in keeping the cylinders cool. 60 hp from 140 in³ and 81 lb.	Lawrance L-3 In 1914, engineer Charles L. Lawrance became interested in the development of air-cooled aircraft engines. After considerable research, the Lawrance Aero Engine Corporation of New York, New York, began to manufacture two-cylinder models on a small scale. These included the Models A-3 and N-2. The first of the three-cylinder designs was the Model B built originally in 1916. It was a three-cylinder radial engine with power ratings progressively improved from 35 to 60 hp. This led to a follow-on series of three-cylinder radials, the L-2, L-3, L-4, and L-5. Continuing the development of his air-cooled engine designs, Lawrance later developed his Model R and then the famous Model J series of engines. As a result of Wright Aeronautical's acquisition by merger of the Lawrance Company in 1923, the J series were eventually designated Wright Whirlwinds. The U.S. Army and Navy purchased a number of Lawrance L-2 engines, which developed 60 shp. The L-3 was an improved version of the L-2.

Photos by Mike Smith

Diamler-Benz DB 605	Pratt&Whitney Canada PW123	Pratt&Whitney R-1340	Pratt&Whitney R-1830-92	Rolls-Royce Dart	Rolls-Royce Merlin 66	Wright J65-W-16A	Wright R-3350-TC	Wright R-790

Engines at the Stephen F. Udvar-Hazy Center, 2003

Aircraft Propulsion Artifacts Case
Stephen F. Udvar-Hazy Center, 2003

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