Although there was briefly a company called Rotary Rocket ... engine. If you ever wondered how these worked, why not print a model? That’s what [Engineering Explained] did. They printed a 1/3 ...

Jason Kim, CEO of Firefly Aerospace, says he is "going to work maniacally" to scale the company's efforts , which ranges from ...

Whether you’re interested in small-scale projects like model rockets or larger, more complex systems like jet engines, there’s always something new to learn and explore in the field of propulsion.

These include a functional scale model of the belly-flopping starship, a mysterious “meat rocket”, and the big one, a space shot to exceed 100 km altitude.

With each model ... economies of scale. And since the principles that Musk applies to his companies apply to making cars as well as putting satellites into orbit or launching rockets, the future ...