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The Lockheed Martin X-33 was a proposed uncrewed, sub-scale technology demonstrator suborbital spaceplane that was developed for a period in the 1990s. The X-33 was a technology demonstrator for the VentureStar orbital spaceplane, which was planned to be a next-generation, commercially operated reusable launch vehicle .
The Monosoupape (French for single-valve), was a rotary engine design first introduced in 1913 by Gnome Engine Company (renamed Gnome et Rhône in 1915). It used a clever arrangement of internal transfer ports and a single pushrod-operated exhaust valve to replace the many moving parts found on more conventional rotary engines, and made the Monosoupape engines some of the most reliable of the era.
The prototype Omega engine still exists, and is on display at the United States' National Air and Space Museum. [ 2 ] Like all early Gnome et Rhône engines the Omega features a single pushrod driven exhaust valve on the cylinder head; the intake valve is located in the piston crown, opening by inertia on the downstroke and feeding the intake ...
LASRE was a small, half-span model of the X-33's lifting body with eight thrust cells of an aerospike engine, rotated 90 degrees and mounted on the back of a Lockheed SR-71 Blackbird aircraft, to operate like a kind of "flying wind tunnel." The experiment focused on determining how a reusable launch vehicle's engine plume would affect the ...
The other production X engine is the ChTZ Uraltrac 12N360 X-12 engine, first produced in 2015, and used in the Russian Armata tank platform. [ 5 ] Several prototype 24-cylinder X engines for military aircraft were developed during World War II, including the Daimler-Benz DB 604 , Rolls-Royce Exe and Isotta Fraschini Zeta R.C. 24/60 , along with ...
The original engine was a 50 hp (37 kW) 4-cylinder inline water-cooled Vivinus. [2] Farman replaced the engine with the new and more reliable 50 hp (37 kW) Gnome Omega rotary engine while the aircraft was at the Grande Semaine d'Aviation at Reims, and the new engine's reliability contributed towards his success there. The aircraft had been ...
The BH-1 was subsequently rebuilt with a Gnome Omega rotary engine and was finally able to fly with two people aboard. It was known as the BH-1 bis in this configuration, and in 1921 won the Czechoslovak national cross-country rally with an average speed of 125 km/h (78 mph) over the 860 km (536 mi) course.
A Clerget 14F diesel aircraft engine preserved at the Conservatoire de l'Air et de l'Espace d’Aquitaine. In the 1920s Pierre Clerget designed static diesel radial engines, the earliest were based on his rotary designs. Clerget 9A (1929) 100 hp (75 kW) nine-cylinder, single row radial engine. [3] Clerget 9B Clerget 9C