I am going to post pictures of some of the older motors in my collection. I started in 1967 and have been a NAR member from 1968. Served on S&T and other NAR committees, but my military moves meant that I usually could not chair a committee long. Was on the Board of Trustees for nine years.
My motors are stored in a way that only the ones used for flying are readily accessible. When pulled out they all looked like this. The red ammo can was the first.

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Charles Russell, MSgt,USAF (ret.)
NAR 9790, Lvl 1
SAM "Balls Three"