Can a Jet Engine be Created Using a Traffic Cone Design?

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SUMMARY

The discussion explores the feasibility of constructing a jet engine using a design inspired by traffic cones, specifically two metal cones joined tip to tip. The proposed mechanism involves achieving high speeds to compress air, injecting fuel into the central chamber, and relying on compression heating for ignition. Additionally, the introduction of a third cone, positioned base to base with the exhaust cone, is suggested to enhance efficiency by converting high pressure-low velocity exhaust into low pressure-high velocity output. This concept aligns with the principles of ramjet technology.

PREREQUISITES
  • Understanding of ramjet mechanics and operation
  • Knowledge of thermodynamics, particularly compression heating
  • Familiarity with fluid dynamics and nozzle design
  • Basic principles of combustion and fuel injection systems
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  • Research ramjet engine design and its operational principles
  • Study the effects of compression heating on fuel ignition
  • Explore fluid dynamics related to nozzle efficiency
  • Investigate advanced combustion techniques for jet engines
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Aerospace engineers, mechanical engineers, and students interested in jet propulsion and innovative engine designs.

Netcastern
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Would it be possible to make a working jet engine by simply having a structure like two metal cones stuck tip to tip (traffic cone shaped)? The idea is to get it going fast, inject fuel in the middle, have the fuel auto ignite due to compression heating in the front cone, and than use the back cone as a nozzle.
 
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It might be more efficient if you add a 3rd cone, base to base, with the exhaust cone so that high pressure-low velocity becomes low pressure-high velocity.
 

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