Pulse Detonation Engines

One of the newest and most exciting areas of pulse-jet development is the Pulse Detonation Engine (PDE).

While they work on similar principles to a regular pulsejet, the PDE has one very fundamental difference -- it detonates the air/fuel mixture rather than just allowing it to simply deflagrate (burn vigorously).

When we cause an air/fuel mixture to deflagrate in a semi-enclosed space (such as a pulsejet or auto-engine) then pressure is generated and that pressure can be harnessed to perform some work -- eg: create thrust or turn a crankshaft.

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