There are very few machines as complex to build as a turbojet engine. The turbine blades on a commercial ... will probably end up being the world’s smallest turbojet engine.

Private jet engines range in price from $50,000 for a tiny turbofan to $50 million for a commercial powerhouse.

The United States Air Force Research Laboratory is hoping to change that by developing their own in-house, open source turbine engine ... been obsessed with small jet engines, and getting one ...

With a fuselage not much bigger than a motorcycle (empty weight: about 450 pounds), it earned a Guinness record as the world’s smallest ... engine model that homebuilders wanted, not the $20,000 ...