The Jetex motor is a miniature solid-fuel rocket motor produced for use as a powerplant for flying model aircraft. Its production led to a number of imitators and, after its discontinuation, successor
A rocket engine, also known as a rocket motor, is a reaction engine, producing thrust in accordance with Newton's third law by ejecting reaction mass rearward, usually a high-speed jet of high-tempera
RS-68 being tested at NASA's Stennis Space Center
Viking 5C rocket engine used on Ariane 1 through Ariane 4
Armadillo Aerospace's quad vehicle showing visible banding (shock diamonds) in the exhaust jet