37" Rubber-Powered Model Airplane - 1931 Babcock - Anatomy of a Trim Session
https://www.youtube.com/watch?v=KjuiXaBQK00
https://www.youtube.com/watch?v=KjuiXaBQK00
37" Rubber-Powered Model Airplane - 1931 Babcock - Anatomy of a Trim Session
https://www.youtube.com/watch?v=KjuiXaBQK00