In China, gunpowder-powered rockets evolved in medieval China under the Song dynasty by the 13th century. They also developed an early form of MLRS during this time. The Mongols adopted Chinese rocket technology … See more

A rocket design can be as simple as a cardboard tube filled with black powder, but to make an efficient, accurate rocket or missile involves overcoming a number of difficult problems. The main difficulties include cooling the combustion chamber, pumping the fuel (in … See more

Launches for orbital spaceflights, or into interplanetary space, are usually from a fixed location on the ground, but would also be possible from an aircraft or ship.
Rocket launch … See more

Operation
The effect of the combustion of propellant in the rocket engine is to increase the internal energy of … See more

Vehicle configurations
Rocket vehicles are often constructed in the archetypal tall thin "rocket" shape that takes off vertically, but there are actually many different types of rockets including:
• tiny models such as balloon rockets, water rockets See more

Rockets or other similar reaction devices carrying their own propellant must be used when there is no other substance (land, water, or air) or force ( See more

Rocket exhaust generates a significant amount of acoustic energy. As the supersonic exhaust collides with the ambient air, shock waves are formed. The sound intensity from … See more