This is a 29mm diameter single use motor. It is ready to fly and doesn't need any motor hardware. You will still need a retaining system.

F42 Blue Thunder™ Econojet (2-pack)

$85.99Price
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  • Motor F42
    Manufacturer Aerotech
    Type Single Use (Econojet)
    Flame Blue Thunder™ (T)
    Quantity per pack 2 motors
    Diameter (mm) 29.0
    Length (cm) 8.3
    Ejection Delay (s) 4 or 8
    Average Thrust (N) 42.0
    Maximum Thrust (N) 66.0
    Burn Time (s) 1.3
    Total Impulse (Ns) 52.9
    Total Mass (g) 76
    Propellant Mass (g) 27

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