A Concorde turbojet engine that spent years listed on eBay finally sold over the weekend to one lucky buyer, but that doesn't mean they'll be making supersonic booms of their own anytime soon. It's ...

Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to redesign it to have a turbojet, an afterburner, and a variable exhaust nozzle. You can see how ...

In 1946, GE proposed to the Army Air Forces a new engine, more powerful and fuel efficient than its earlier J35, but within the same frame size. To provide higher pressure ratios, and overall better ...