Engine Testing Notices
The following motor has been certified by NAR Standards & Testing as of
October 1, 1998 for general use as a model rocket motor. It is certified for
contest use effective November 30, 1998.
13mm x 45mm:
1/4A3-3T (0.625 Newton-seconds total impulse, 0.83 grams propellant mass)
Secretary for NAR Standards & Testing
Return to the S&T Chronology