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As early as 1912, Esnault-Pelterie had also begun to write and lecture on the subject of space flight. He coined the word astronautics and was a cosponsor of the R.E.P.-Hirsch Prize for important contributions to the field.
Robert Albert Charles Esnault-Pelterie is best known for his pioneering contributions to aviation. In 1912 he wrote that spaceflight was possible, but only with nuclear propulsion. After hearing of other rocketry visionaries, he worked to popularize space travel ideas in France.
On 15 November 1912, Esnault-Pelterie presented a paper to the Physics Society of France. In one of the first scientific discussions of the problems of space travel, he suggested that atomic energy would hold the key to solving the problem of reaching the Moon and other celestial bodies.
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Robert Esnault-Pelterie, 1881–1957, one of the four great space pioneers, introduced the word astronautics. The Frenchman Esnault-Pelterie, also known by his initials as REP, graduated in engineering at the Sorbonne University. The fourth man in France to obtain the pilot's license, he made remarkable contributions to development of airplanes.
The R.E.P., monoplane, named after its designer, Robert Esnault-Peltier, was the first plane with a completely enclosed fuselage. Constructed with welded-steel tubing, it was covered with red muslin. THE R.E.P. MONOPLANE, 1907 Robert Esnault-Pelterie, an early Aero Club enthusiast, was the son of a comfortably well-off cotton industrialist.
Esnault-Pelterie’s lecture on “the unlimited lightening of engines,” delivered in 1912 in both St. Petersburg, Russia, and Paris, was the first European work to demonstrate theoretically that space travel was possible.
Nov 1, 1983 · The pioneering work of Esnault-Pelterie in astronautics, both theoretical and experimental, covers astrodynamics, propulsion, including cryogenic propellants, materials, piloting, navigation. The article describes in some detail his ideas on attitude control and inertial navigation.
