and defunct yet historic jet engines is apparently one of them. This J57-P55 variant that's currently up for auction at no reserve, features a two-spool axial flow turbojet engine that was ...

Turbojet engines are an incredible piece of 20th century ... And instead of using an axial compressor with tons of tiny blades that would likely be impossible to 3d print with enough strength ...

Screenshot from social media post of Ukrainian volunteers assembling a small cruise missile with a ... [+] pulsating Trembita engine. Its task is to destroy objects and exhaust the enemy’s anti ...