The design of this turbojet — as far as we can tell — is a centrifugal ... treating the compressor stages with a blowtorch. This is an amazing project, and even if this tiny turbine will ...

But what if you just skipped the whole turbine part, and powered the ... you went with a sturdy, easy to print centrifugal compressor? Of course, that’s exactly what [Integza] did, or we wouldn ...