ALTOONA, Wisconsin USA -- The following motor has been certified by NAR Standards & Testing for general use as a Model Rocket Motor effective August 1, 2006.

Aerotech:
G77R
29mm X 146mm
G77R-4,7,10 
102.9 Newton-seconds total impulse*
100.5 Newtons Peak Thrust*
59.1 grams propellant mass

*-Sea level corrected value