The following model rocket motors have been upgraded by NAR Standards &
Testing to allow their use in NAR Contest events effective April 16,
2007.

Aerotech/RCS:

R  E11J-3  24 x 70mm  (31.7 Newton-seconds total impulse,
propellant mass: 25.0 grams) 

Propellant Key: J = Black Jack 


Apogee:

S  D10-3,5,7  18 x 70mm  (18.3 Newton-seconds total
impulse, propellant mass: 9.8 grams)

S  E6-4,6,8,P  24 x 77mm  (37.8 Newton-seconds total
impulse, propellant mass: 22.0 grams)

S  F10-4,6,8  29 x 93mm  (74.3 Newton-seconds total
impulse, propellant mass: 40.0 grams)


R = Reloadable Motor
S = Single Use Motor


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

Return to the S&T Chronology