US four-engined bomber aircraft.

Function: heavy bomber

Manufacturer: Boeing

Produced: 1936 – 1945

Wingspan: 31,62 m

Lenght: 22,66 m

Max. takeoff weight: 29700 kg

Max. speed: 462 km/h

Engine: 4 × Wright R-1820-97 “Cyclone” turbosupercharged radial engines, 895 kW

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Scale aircraft, scratch build

Wingspan: 4,4 m

Takeoff weight: 24,3 kg

Engine: 4x ROTO 25V 24cc gas engines

Scale aircraft, build from kit HobbyKing

Wingspan: 1,875 m

Lenght: 1,35 m

Engine: 4x 850kv Brushless Outrunner Motor