“Radio-ized?? Sport Free Flight model for .10-.15 motor. (Cal Smith’s ‘Sportwagon’ from Flying Models Aug. 1948, developed for R/C by Dr. D. B. Mathews.)
“Radio-ized?? Sport Free Flight model for .10-.15 motor. (Cal Smith’s ‘Sportwagon’ from Flying Models Aug. 1948, developed for R/C by Dr. D. B. Mathews.)
