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  2. Flight airspeed record - Wikipedia

    en.wikipedia.org/wiki/Flight_airspeed_record

    The Lockheed SR-71 Blackbird is the current record-holder for a crewed airbreathing jet aircraft. An air speed record is the highest airspeed attained by an aircraft of a particular class. The rules for all official aviation records are defined by Fédération Aéronautique Internationale (FAI), [ 1 ] which also ratifies any claims.

  3. Lycoming XR-7755 - Wikipedia

    en.wikipedia.org/wiki/Lycoming_XR-7755

    The Lycoming XR-7755 was the largest piston aircraft engine ever built in the United States, [Note 1] with 36 cylinders totaling about 7,750 in 3 (127 L) of displacement and a power output of 5,000 horsepower (3,700 kilowatts).

  4. Fastest propeller-driven aircraft - Wikipedia

    en.wikipedia.org/wiki/Fastest_propeller-driven...

    Overall, probably the fastest aircraft ever equipped with (but not driven exclusively by) an operating propeller was the experimental McDonnell XF-88B, which is a variant of the jet-powered McDonnell XF-88 Voodoo made by installing the Allison T38 turboprop engine in its nose while retaining its original turbojet engines. [9]

  5. Turboprop - Wikipedia

    en.wikipedia.org/wiki/Turboprop

    For this reason turboprop engines are not commonly used on aircraft [4] [5] [6] that fly faster than 0.6–0.7 Mach, [7] with some exceptions such as the Tupolev Tu-95. However, propfan engines, which are very similar to turboprop engines, can cruise at flight speeds approaching 0.75 Mach. To maintain propeller efficiency across a wide range of ...

  6. Republic XF-84H Thunderscreech - Wikipedia

    en.wikipedia.org/wiki/Republic_XF-84H_Thunderscreech

    The Republic XF-84H "Thunderscreech" is an American experimental turboprop aircraft derived from the F-84F Thunderstreak.Powered by a turbine engine that was mated to a supersonic propeller, the XF-84H had the potential of setting the unofficial air speed record for propeller-driven aircraft, but was unable to overcome aerodynamic deficiencies and engine reliability problems, resulting in the ...

  7. Mechanic: 'Everything perfect' before fatal WWII plane crash

    www.aol.com/news/mechanic-everything-perfect...

    Mitchell Melton was the mechanic aboard the four-engine, propeller-driven B-17G Flying Fortress bomber that crashed at Bradley International Airport north of Hartford on Oct. 2, 2019.

  8. Pratt & Whitney R-4360 Wasp Major - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_R-4360_Wasp...

    The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II.At 4,362.5 cu in (71.5 L), it is the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most powerful.

  9. Hughes H-1 Racer - Wikipedia

    en.wikipedia.org/wiki/Hughes_H-1_Racer

    During his work on his 1930 movie Hell's Angels, Howard Hughes employed Glenn Odekirk to maintain the fleet of over 100 aircraft used in the production. The two men shared a common interest in aviation and hatched a plan to build a record-beating aircraft. The aircraft was given many names, but is commonly known as the H-1.