RE: What was your first engine?
McCoy 35 on a Comet Rookie in 1959 - I was five.
Cox RR1 on a Scientific Mustang in 1965
Wen Mac P-26
Cox Sportsman .15 on a Mambo and Magician
ST G21-35 Combat motor -cl
Fox Rocket - cl
OS .19 RC on Falcon 56 Orbit 4 channel in 1970
Fox .45 on Sweet Stik
OS 10 Schoolmaster
Enya .09
and the next 100 engines or so.