ALATOONA, Wisconsin USA — The following motors have been certified by NAR Standards & Testing for general use as model rocket motors effective May 7, 2001. All are certified for NAR contest use effective July 6, 2001.

Estes:
13mm x 45mm:
A10-PT (2.50 Newton-seconds total impulse, 3.8 grams propellant mass)

24mm x 70mm:
D11-P (18.0 Newton-seconds total impulse, 24.5 grams propellant mass)

Jim Cook, Secretary for NAR Standards & Testing
Jack Kane, Chairman