MARION, Iowa USA — The following model rocket motors have been upgraded by NAR Standards & Testing to allow their use in NAR Contest events effective August 31, 2007.

Aerotech/RCS:

S F27R-4,8
29 x 83mm
49.6 Ns Total Impulse
28.4 grams Propellant Mass

R G69N-P
38 x 106mm, 38/120 Hardware
136.7 Ns Total Impulse
62.2 grams Propellant Mass

Propellant Key:
N = Warp 9
R = Redline

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

Jack Kane
John Lyngdal
NAR Standards & Testing
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