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A type of jet engine where all the air passing through the engine is used to burn fuel and drive a turbine as well as generating thrust.

13 votes
2 answers
2k views

Are centrifugal turbojets easier to make than axial ones?

Looking at the history of jet engines, I noticed that the British first made centrifugal-types, but the Germans went straight into axial-types. Which type is easier, if any? By that I mean, which typ …
DrZ214's user avatar
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10 votes
2 answers
1k views

Why were turbojets the first kind of turbo-engines, instead of turboprops?

During WW2, the first jet engines appeared en mass in combat aircraft. Britain and Germany made the first ones. But why were turbojets first? Why not turboprops, which are easier since the turbo-mach …
DrZ214's user avatar
  • 17.9k
6 votes
2 answers
2k views

Are there turbofan/turbojet analogues to a centrifugal-compressing jet engine?

Axial-compressor jet engines fall into two categories (and only two as far as I'm aware): turbofan and turbojet. …
DrZ214's user avatar
  • 17.9k
5 votes
1 answer
901 views

What is the actual exhaust velocity of the exhaust from the J58 engines at cruise (Mach 3.2)?

The SR-71 ran on two J58 turbojet engines and cruised at Mach 3.2. …
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