Engine Development. Part 2. The early jet engines.

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By Bjorn Fehrm


August 25, 2022, © Leeham News: Last week, we started a series about jet engine development for our air transport aircraft. The jet engine came to replace the piston and gas turbine propeller engines when airplanes sought higher cruising speeds.

In the second part of the series, we look at why the jet engines were developed and their advantages and disadvantages compared to what they replaced.

De Havilland Comet, the first jet airliner. Source; Wikipedia.


  • When the propeller engine came to its speed limits, the straight jet engine was the answer.
  • While it helped with speed, it created other problems.

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