Click to open image viewer. This is an unflown Centuri Mini-Max model rocket motor. It is made of pasteboard and contains non-explosive propellant. The motor produces a maximum thrust of 15 lbs, ...

Click to open image viewer. This is an unflown Rocket Supply, Inc. model rocket motor from 1967. It is made of pasteboard and contains non-explosive propellant. A motor is used only once to power a ...

They call this rocket motor the Zeus, a name borrowed from the Greek King of the Gods, and that should immediately make it clear that this one is a piece of hardware that cuts no corners. Developed by ...

The history of space exploration is filled with projects that never came to be in the real world, or projects that, despite being brought very close to production, never actually got to power humanity ...