About 1944, Miss America controline w/Rocket 46 up front. Spark ignition. White gasoline w/70 weight motor oil for fuel. Spent more time repairing than flying.
Army Air Corp in 1946, retired 14,000 flying hours later. First RC in 1953. Career in RC industry and RC magazine followed.
Interesting fact. Now ancient, to the point where my memories have to be kick started to work. However, I still remember the tail numbers of B-17's that I flew in. And if I close my eyes and concentrate, I still remember the music those four Pratt & Whitneys out on the wing made. Eloy Marez