This is a 54mm diameter single use motor. It is ready to fly and doesn't need any motor hardware. You will still need a retaining system.

Because of the impulse class (K), to purchase this motor you must be Tripoli, AMRS or ARA level 2 certified (or attempting a level 2 certification).

K400 Classic DMS™

$283.99Price
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    Rocket motors are 18+ ONLY. For all motors, make sure you have read our purchasing restrictions.

  • Motor K400
    Manufacturer Aerotech
    Type Single Use (Disposable Motor System™)
    Flame Classic
    Quantity per pack 1 motor
    Diameter (mm) 54.0
    Length (cm) 35.9
    Ejection Delay (s) 14
    Average Thrust (N) 409.0
    Maximum Thrust (N) 546.0
    Burn Time (s) 3.2
    Total Impulse (Ns) 1304.0
    Total Mass (g) 1194
    Propellant Mass (g) 493

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