René Lorin
Encyclopedia
René Lorin a graduate of the Ecole Centrale Paris
École Centrale Paris
École Centrale Paris is a French university-level institution in the field of engineering. It is also known by its original name École centrale des arts et manufactures, or ECP. Founded in 1829, it is one of the oldest and most prestigious engineering schools in France and has the special status...

, invented the ramjet
Ramjet
A ramjet, sometimes referred to as a stovepipe jet, or an athodyd, is a form of airbreathing jet engine using the engine's forward motion to compress incoming air, without a rotary compressor. Ramjets cannot produce thrust at zero airspeed and thus cannot move an aircraft from a standstill...

. In 1908 he patented a subsonic ramjet design.

Lorin published the principles of a ramjet in articles in the journal L'Aérophile
L'Aérophile
L’Aérophile was a French aviation magazine published from 1893 to 1947. It has been described as "the leading aeronautical journal of the world" around 1910.- History and contents :L’Aérophile was founded and run for many years by Georges Besançon...

from 1908 to 1913, expressing the idea that the exhaust from internal combustion engines could be directed into nozzles to create jet propulsion. He could not build this invention since there was no way at the time for an aircraft to go fast enough for a ramjet to function properly.

When René Leduc applied for a patent on a ramjet design in 1933, he discovered Lorin's publications and tried to contact him, only to learn that he had recently died. Leduc thereafter paid homage to Lorin's work.
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