For this early prototype, power is solely from hobby rocket motors ... Of course, if you can’t lay your hands on rocket engines, you could always consider spinning up your own.

Abstract: On team PRIUS, our goal is to take tried-and-true heritage knowledge of hobby rocket airframe design and build ... This airframe will be the first to successfully carry a hybrid rocket ...

Liquid-fuelled rocket engine design has largely followed a simple template since the development of the German V-2 rocket in the middle of World War 2. Propellant and oxidizer are mixed in a ...

It was the first time Bezos' company, Blue Origin, had operated the entire stacked rocket as an integrated system. Flashes from the engines pierced through billows of steam, like cracks of ...