The following motors have been certified by NAR Standards & Testing for 
general use as Model Rocket Motors effective February 19, 2014.


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Aerotech:
F44W-4,8
24mm x 70mm
41.46 Newton-seconds Total Impulse
49.54 Newtons Peak Thrust
40.36 Newtons Average Thrust

Propellant mass: 19.7 grams 


G74W-4,6
29mm x 83mm
82.74  Newton-seconds Total Impulse
94.48 Newtons Peak Thrust
79.64 Newtons Average Thrust

Propellant mass: 39.3 grams 

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NAR Standards & Testing
s-and-t@nar.org

Return to the S&T Chronology