How This Artillery Shell Turns Into A Jet

A normal artillery shell is at its fastest the moment it leaves the barrel, and every second after that the air takes its speed away. This one is built the other way round: a standard-size shell with a ramjet inside it, an engine with no moving parts that cannot even start itself. So the gun starts it. Fired at around three times the speed of sound and squeezed by fifteen thousand g, it still has to light, open its fins and fly straight, and that is only the beginning of what it has to survive... #ramjet #technology #tech #army #detailfuse