R110 NAR S&T Motor Modification May 5, 2007
The following model rocket motors have been modified since their original
certification by the manufacturer. NAR Standards & Testing has evaluated the
motors with the following results:


Aerotech/RCS:

Current Production

S G40W-4,7,10 
29 x 124mm
97.1 Ns Total Impulse
53.8 grams Propellant Mass

S G80T-4,7,10 
29 x 124mm
94.0 Ns Total Impulse
47.9 grams Propellant Mass


2004 and older production date

S G40W-4,7,10 
29 x 124mm
113.7 Ns Total Impulse
62.4 grams Propellant Mass

S G80T-4,7,10 
29 x 124mm
116.3 Ns Total Impulse
57.4 grams Propellant Mass


Propellant Key: R = Redline
    T = Blue Thunder 

S = Single Use Motor


Jack Kane
John Lyngdal
NAR Standards & Testing
s-and-t@nar.org

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