History
The Swedish inventor Martin Wiberg has a claim to having invented the first pulse jet in Sweden, but exact details of the patent are unclear. It is also unclear whether any working models were made.
The first working pulsejet was patented in 1906 by Russian engineer V.V. Karavodin, who completed a working model in 1907. The French inventor Georges Marconnet patented his valveless pulsejet engine in 1908, which many commentators argue greatly influenced the V-1 flying bomb through engineer Paul Schmidt, who pioneered a more efficient design based on modification of the intake valves (or flaps), earning him government support from the German Air Ministry in 1933.
Read more about this topic: Pulse Jet Engine
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