[Mech Ninja] discovered this while developing a ducted fan based around an RC motor. The ducted fan is meant to be a stand-in for a model jet engine, based around a high-powered motor generally ...

A year ago [Ramy RC] set out on a momentous challenge: to build a 1:21 scale Airbus A380-800 RC model with functional engines ... The final RC airplane came out at a massive wingspan of 3.9 ...