Reloadable rocket motors. Cheaper than Single-Use as only the propellant is replaced after each flight. Here you find only the casings, reloads are listed in their respective categories.
- Diameter: 18 mm
Aerotech RMS 18/20 reloadable motor hardware set. Includes the casing, one forward closure and one aft closure. Same size of a classic Estes A, B or C engine but much more powerful.