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The first prototype of the production version, XJ-79, ran on 8 June 1954. [10] The first flight of the engine was on 20 May 1955 with the engine installed in a General Electric J47-powered North American B-45C Tornado (serial 48-009). In flight the J79 was lowered from the bomb bay into the airstream for testing. [11]
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The LM1500 was derived from the J79 engine in 1960. [3] Its first application was for the first US sea-going research hydrofoil, HS Denison. [1] Conversion as a marinised turboshaft engine involved two major changes: the addition of a free power turbine, and corrosion-protection by the addition of internal coatings and a maintenance scheme of freshwater rinsing to prevent salt damage.
The YJ93 started life as the General Electric J79-X275, an enlarged version of the General Electric J79 turbojet with "275" meaning Mach 2.75, the engine's target operating speed. [2] This design evolved into the X279 when Mach 3 cruise became a requirement, and ultimately became the YJ93. [3] The engine used a special high-temperature JP-6 fuel.
The first Green Monster appeared in 1952. It was a three-wheeled dragster powered by an Oldsmobile six-cylinder engine and painted with left-over green tractor paint. The name was applied on the car's first outing by the track announcer, Ed Piasczik (Paskey), who laughingly said, "Okay folks, here it comes: The Green Monster", and it stuck to all Arfons' creations.
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For Christmas this year, Kaylee Hulse and her family decided to prank her grandma by "borrowing" items from her house and gifting them to her
In 1967 the 319th F-104As and Bs were re-engined with the J79-GE-19 engines with 17,900 lbf (79.6 kN) of thrust in afterburner; service ceiling with this engine was in excess of 73,000 ft (22,250 m). In 1969, all the F-104A/Bs in ADC service were retired. On 18 May 1958, an F-104A set a world speed record of 1,404.19 mph (2,259.82 km/h). [3]