Is it legal to sell or buy hybird rocket engine like this in USA ? : r/rocketry
BangShift.com eBay Find: Another Wild Russian Liquid Propellant Rocket For Sale - 50,000hp! - BangShift.com
Rocket motors & consumables
Aerotech H13ST-P Super Thunder Rocket Motor
Are there any hand-sized rocket engines? - Space Exploration Stack Exchange
Rocket motors & consumables
Model Rocket Motors for Sale | Estes Rockets
C6-5 Engines - Estes Rockets
G Rocket Motors : Canadian retailer of Estes, Aerotech, Quest, Rocketarium, Madcow, Public Missiles, Aeropack, LOC Precision, PerfectFlite, Jolly Logic, rocket engines/motors, launch supplies and electronics
L3Harris to acquire Aerojet Rocketdyne for $4.7 billion - SpaceNews