1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Theoretical Jet Engine Idea

  1. Jul 20, 2014 #1
    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.
  2. jcsd
  3. Jul 20, 2014 #2


    User Avatar
    Science Advisor

  4. Jul 21, 2014 #3
    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.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook