Robert’s Rocket Project has been going on for a long time. It has been around so long that you can go all the way back ... It uses kerosene as the fuel, and liquid oxygen as the oxidizer.

but the properties of the materials can be a limiting factor for functional parts. [Sam Rogers] and colleagues at [AX Technologies] have been testing and developing a small liquid-fueled rocket ...

Rockets are a major part of American aviation and a common hobby in the form of model rockets, but where did the modern ...