The fan is an RC airplane motor and prop mounted backwards. the motor wired in a way that i can control it's speed. this doesnt have any way to move foward, it just hovers.
I built it for a science project because i had the stuff to do it and i didnt know what else to do. this can hover about 1/8 inch off the ground for a few minutes.
the power system is a 1300 mAh (milli amp hour, meaning it can supply 1.3 amps for 1 hour) li-poly battery
a 20 amp speed controler, meaning it can suck 20 amps out of the battery
the motor is a class 370 brushed motor from a non-flying airplane.
here are some pictures.


