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, so this is a WORLD RECORD.!!! Radio controlled Model Airplane,Jet's and Helicopter Event Germany 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 This amazing RC flying boat is the largest and most powerful model of the 1929 Lufthansa amphibian airliner ever built! Shown here at the Friedrichshafen Model Fair in Maßstab, Germany as part of the FMT Flying Stars of the Year show, the 1/10-scale “Wasserflugzeug” is piloted by Michael Bräuer. The Do X has a wingspan of 15.75 feet and weighs 132.28 pounds on takeoff.They really amazing thing about this gigantic flying boat is that it is powered by 12 O.S. .60 4-stroke engines! Mounted with six dual engine pods, (just like the full size aircraft), just watching Michael prep and prime and start all 12 engines is fascinating. The scratch built model uses conventional wood construction and includes retractable landing gear and an amazing amount of scale detail.