"B" Rocket Motor Data - Estes B4


Certified Values: Manufacturer's Data
    Total Impulse: 4.85 N-sec

    Delays available: 2, 4, 6 sec

    Size: 18mm x 70mm

    Propellant mass: 6.0 g BP

    Certified by: NAR

    Total Impulse: 5.0 N-sec

    Thrust Duration: 1.1 sec

    Maximum Thrust: 13.2 N

    Delays available: 2, 4 sec

    Initial weight: 19.8/21.0 g

    Propellant weight: 8.33 g


NAR S&T Test Data: Typical Thrust-Time Curve:

    Total Impulse: 4.29 N-sec

    Average thrust: 4.17 N

    Peak thrust: 12.75 N

    Burn time: 1.03 sec

    Post-burn mass: 10.0 g


    wRASP Data:

    Total Impulse: 4.4 N-sec

    Delays available: 2, 4, 6 sec

    Size: 18mm x 70mm

    Total mass: 0.0196 kg

    Propellant mass: 0.0060 kg


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Updated 24 May 1998