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Amongst the earlier pioneers and innovators in the field of aviation was the German engineer and aeronautical designer Hugo Junkers.During his early career he had established his engineering credentials outside of the field of aviation; Junker's innovations had included the invention of a type of calorimeter and in the construction of internal combustion engines.
As used here, an experimental or research and development aircraft, sometimes also called an X-plane, is one which is designed or substantially adapted to investigate novel flight technologies. [ 1 ] [ 2 ] [ 3 ]
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 ...
It has been claimed [59] that these sketches show that Cayley modeled the principles of a lift-generating inclined plane as early as 1792 or 1793. In 1796, Cayley made a model helicopter of the form commonly known as a Chinese flying top, unaware of Launoy and Bienvenu's model of similar design. He regarded the helicopter as the best design for ...
Another advancement was made in 1884, when the first fully controllable free-flight was made in a French Army electric-powered airship, La France, by Charles Renard and Arthur Krebs. The 170-foot (52 m) long, 66,000-cubic-foot (1,900 m 3 ) airship covered 8 km (5.0 mi) in 23 minutes with the aid of an 8½ horsepower electric motor.
One place where you can do this is the popular ‘Google Earth, Structures and Anomalies’ group on Fa 50 Times People Found Such Strange Things On Google Earth, They Had To Share Them (New Pics ...
This is a list of aircraft by date and usage.The date shown is the introduction of the first model of a line but not the current model. For instance, while "the most popular" aircraft, such as Boeing 737 and 747 were introduced in 1960x, their recent models were revealed in the 21st century.
The wings are longer than the ones on previous versions of that airplane—a design change that helps increase the craft’s overall fuel efficiency. NASA’s weird wing design could lead to ...