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Even before the first flight of the Fw 190 V1, BMW was bench testing a larger, more powerful 14-cylinder two-row radial engine, the BMW 801.This engine introduced a pioneering example of an engine management system called the Kommandogerät (command-device): in effect, an electro-mechanical computer which set mixture, propeller pitch (for the constant speed propeller), boost, and magneto timing.
In 1969, American Jet Industries began work on a turboprop-powered conversion of the Cessna 402, named the Turbo Star 402, using Allison 250-B17 engines. [5] The prototype flew on 10 June 1970. [ 5 ] Further modifications providing increased fuel capacity, higher gross weight, and lower minimum control speed were carried out in 1974 and the ...
A mechanically driven supercharger offers exceptional response and low-rpm performance, as it does not rely on pressurization of the exhaust manifold (assuming that it is a positive-displacement design, such as a Roots-type or twin-screw, as opposed to a centrifugal supercharger, which does not provide substantial boost in the lower rpm range), but is less efficient than a turbocharger due to ...
In an internal combustion engine, twin-turbo is a layout in which two turbochargers are used to compress the intake fuel/air mixture (or intake air, in the case of a direct-injection engine). The most common layout features two identical or mirrored turbochargers in parallel, each processing half of a V engine 's produced exhaust through ...
The Chicago Bears have finally made a change after this weekend's awful 19-3 loss to the New England Patriots. The Bears announced Tuesday morning that offensive coordinator Shane Waldron is out ...
Football: New York Jets Joe Klecko (73), Marty Lyons (93), Abdul Salaam (74) and Mark Gastineau (99) pose for a photo on the floor of the New York Stock Exchange.
Bell cooled the turbo with a scoop on the left side of the fuselage. [16] Kelsey wished to shepherd the XP-39 through its early engineering teething troubles, but he was ordered to England. The XP-39 project was handed over to others, and in June 1939 the prototype was ordered by General Henry H. Arnold to be evaluated in NACA wind tunnels to ...
Some of President-elect Donald Trump's cabinet picks are facing hurdle after hurdle on the road to confirmation but not those on his economic team (at least so far).