We painted a Trottel (free downloadplan to come) in flight:

In Flight Painting Rc Model (3 min 29 sec)

My brother built a big Polikarpov I 16 from Depron and I had the honour to mak ethe maiden and second flight. It is amazing, slow docile, precise and powerful:

Polikarpov I 16 Rata 160 cm aus Depron (2 min 53 sec)