Al Williams and I were talking about water rockets on the podcast the other ... building larger and larger tubes, and refining payloads. What’s your favorite “simple” project?

Rocket thrusters powered by the hydrogen and oxygen in water do exist, and while NASA succeeded with using this kind of propulsion system to launch their PTD-1 CubeSat in 2021, water fuel has not ...

In the 1960s (and all the way through to today), NASA was looking for cheaper ways to launch people and payloads ... rocket was to be launched from a vertical floating attitude directly out of the ...