Hausen Albis RC Model Event Most Engines on a RC Airplane powerd by: 12x 4 stroke O.S Engine, i dont know a other RC Airplane that have more Engines. Radio controlled Model Airplane,Jet's and Helicopter Event Switzerland's. Michael Bräuer with his own Construction Wood Dornier DO-X 1929 RC Flying Boat Scale Model, enjoy it. Model-Data: Wingspan: 4,80 meter Length: around 4,50 meter Weight: 60KG Powerd by: 12x 4 stroke RC O.S Engine