icon05:46 RC-Videos JÖRG ETZLER INTERVIEW short summary GPS TRIANGLE WM 2017 RC SCALE GLIDER COMPETITION Stephan Eich7 Jahren ago 1 Jahr ago JÖRG ETZLER INTERVIEW short summary GPS TRIANGLE WM RC SCALE GLIDER COMPETITION JÖRG ETZLER INTERVIEW short summary GPS TRIANGLE WM... 02.4K