Engine Testing Notices

The following motor has been certified by NAR Standards & Testing for general use as model rocket motors effective April 10, 2005.

Aerotech:
    F20 LUR (Limited-Use Reloadable)
    29mm x 83mm
       F20-4,7  (51.75 Newton-seconds total impulse, 30.0 grams propellant mass)

Note: The manufacturer rates this for at least three uses per case. S&T has tested the system with four used per case with no real change in performance.

John Lyngdal,
Secretary for NAR Standards & Testing

Jack Kane,
Chairman

Return to the S&T Chronology