The following motors have been certified by NAR Standards & Testing for 
general use Model Rocket Motors effective August 31, 2007.

The F23FJ is a new certification of an existing motor with a propellant
mass reduction to 30 grams to ease shipping requirements.

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Aerotech/RCS(AT):

S F23FJ-4,7
29mm x 83mm
41.2  Newton-seconds total impulse
29.8  Newtons Peak Thrust
18.58 Newtons Average Thrust

Propellant mass: 30.0 grams 

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Aerotech/RCS(AT):

R G53FJ-5,7,10

29mm x 124mm
29/40-120 Hardware
90.9 Newton-seconds total impulse
87.3 Newtons Peak Thrust
53.1 Newtons Average Thrust

Propellant mass: 60.0 grams 

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Propellant Key: 
FJ = Black Max Propellant

Motor Type Key:
R = Reloadable Motor
S = Single Use Motor

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

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