Manufacturer AeroTech Designation J550st-14

 Motor Type reload Delays 14

 Diameter 54 mm

 Length 231 mm

 Total Weight 828 g Prop. Weight 371 g

Avg. Thrust 557.0 N

 Initial Thrust 544.7 N

 Max. Thrust 649.0 N

 Total Impulse 732.0 Ns

Burn Time 1.3 s

 Motor Case RMS-54/852

 Propellant Super Thunder

 Cert. Org. TRA Cert. Date October 16, 2025

Cert. Designation J557 (732 N-Sec)