R48 NAR S&T New Motor Certification April 9, 1998
The following motors have been certified by NAR Standards & Testing
as of March 29, 1998 for general use as model rocket motors. They are
certified for contest use effective May 28, 1998.

18mm x 70mm:
D10-3, 5, 7 (20 Newton-seconds total impulse, 9.8 grams propellant mass)

Jim Cook, Secretary for
NAR Standards & Testing

Jack Kane, Chairman
NAR Standards & Testing

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