Want to learn why ducted propellers improve both thrust and efficiency? Well, we’ve got both the lesson and the teacher for you. [Bruce Simpson] isn’t exactly a household name, but we bet most ...

The ball drone seems well suited to an indoor environment, but we’re not sure if it has any real advantages over a quadcopter with ducted propellers. Servos are cheaper than motors and ESCs ...

Additionally, the presence of ducting around propellers has been shown to alter wake dynamics. Research indicates that ducted propellers can reduce streamwise velocity and delay wake ...