18mm Standard Engine B4-4 (3-pack)

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  • Motor B4
    Manufacturer Estes Industries
    Type Single Use
    Quantity per pack 3 motors
    Diameter (mm) 18.0
    Length (cm) 7.0
    Ejection Delay (s) 4
    Average Thrust (N) 4.2
    Maximum Thrust (N) 12.8
    Burn Time (s) 1.0
    Total Impulse (Ns) 4.3
    Total Mass (g) -
    Propellant Mass (g) 6