Model rocketry

type of model rocket using water as its reaction mass

American engineer, entrepreneur and medical doctor (1941–2010)

small recreational rocket

American electronics company

sugar-based rocket propellant

hobby in which participants experiment with fuels or custom rocket motors

company

solid-rocket propellant

thumb|Jetex 100 - the first Jetex motor thumb|Aeromodeller June 1948 thumb|Jetex Tailored Skyray kit 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, successors of similar type.

hobby rocketry using higher impulse range motors