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The PulseJet Exotic Propulsion Design




Topic started on 20-6-2004 @ 07:53 PM by AboveTopSecret.com


PULSEJET
EXOTIC PROPULSION DESIGN

Pulsejets use the forward speed of the engine and the inlet shape to compress the incoming air, then shutters at the inlet close while fuel is ignited in the combustion chamber and the pressure of the expanding gasses force the jet forward. The shutters then open and the process starts again at a high frequency. This results in the buzzing drone for which the experimental pulsejet missile is named the "BuzzBomb". People have pointed out that pulsejets can be cooled which would solve the heating problem of the ramjets. They could also, theoretically, generate "donut-on-a-rope" contrails due to the engine's operational design.

The known advantages of the Pulsejet engine are:

  • Theoretically it has a higher fuel efficency than a normal engine that keeps constant pressure.
  • Engines can be produced in many sizes with many different thrust ouputs ranging from a few pounds to thousands of pounds.
  • They have a very high thrust-to-weight ratio, which means a lighter engine producing more pounds of thrust than it's weight.
  • They are mechanically very simple and have very little moving parts.
  • They do not depend on the oxygen in the atmosphere to provide as an oxidizer, which means it could go in or out of the atmosphere



reply to this post:   copyright & usage 


reply posted on 20-6-2004 @ 09:12 PM by machinegunjordan


yea daddio i put this in the aurora research project pretty good too i liked it.



reply to this post:   copyright & usage 


reply posted on 23-2-2005 @ 12:28 AM by OldSquid


You only made three errors
1. they do rely on the atmosphere for the oxidizer for the fuel
2. They Cannot go supersonic (hty only work in thw subsonic range
3. Theyr have a negitive stelth Qualities (they are noisey And they run hot white hot) I own two ove the things one was run on a tethered miniture aircraft. and the other powered a thethered miniture car,



reply to this post:   copyright & usage 


reply posted on 23-2-2005 @ 11:34 AM by KKing123


also, pulsejets aren't exactly "advanced" or "new" the V-1 buzz bombs used by Nazi Germany were Pulse Jet powered

and as previously stated, it is a true jet, an evolution of the classic turbo-jet design, and as such requires atmospheric oxygen

it's a turbo-jet evolution that went nowhere



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