Pulse jet engine

A pulse jet engine is a very simple form of the internal combustion engine where the combustion happens in pulses. The propulsive effort is a jet that is a reaction to the backward flow of hot gasses.

Pulse Jet Engine Media

• 

  Argus As 014 pulsejet engine of a V-1 flying bomb at the Royal Air Force Museum London

• 

  Pulsejet schematic. First part of the cycle: air flows through the intake (1), and is mixed with fuel (2). Second part: the valve (3) is closed and the ignited fuel-air mix (4) propels the craft.