it was a very nice day and i dont know but the CG of this Airplane is not well and it Crash sorry for that.
Rainer mattle with a own construction CCCP Kalinin K-7 RC Scale Model Airplane unusal. The Kalinin K-7 (Russian: Калинин К-7; Ukrainian: Калінін К-7) was a heavy experimental aircraft designed and tested in the Soviet Union in the early 1930s. It was of unusual configuration, with twin booms and large underwing pods housing fixed landing gear and machine gun turrets, enjoy the flight.
this self construction ANTONOV AN-225 RC Scale Model Airplane 6x EDF-electric ducted fan, together with the Buran Spaceship both Radio controlled and the Antonov decoupling the Buran midair it looks fantastic, enjoy it.