Alexandru Ciurcu
Encyclopedia
Alexandru Ciurcu was a Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

n inventor and publisher, famous for his invention with Just Buisson of a reaction engine
Reaction engine
A reaction engine is an engine or motor which provides propulsion by expelling reaction mass, in accordance with Newton's third law of motion...

. It used rocket propulsion
Rocket engine
A rocket engine, or simply "rocket", is a jet engineRocket Propulsion Elements; 7th edition- chapter 1 that uses only propellant mass for forming its high speed propulsive jet. Rocket engines are reaction engines and obtain thrust in accordance with Newton's third law...

and was successfully used to power to boat in 1886. The two men envisioned that such motors would later be used for air travel.

Sources

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