Combine a 3D-printed frame, a two-cell battery, four sets of propellers, motors, a flight controller, several other pars and a remote control, and you have a miniature quadcopter. A more complete look ...

You can readily buy all kinds of quadcopters off the shelf these days, but sometimes it’s more fun to build your own. [Michael Rechtin] did just that, with a hefty design of his own creation. The ...

When it was first announced that limits would be placed on recreational RC aircraft heavier than 250 grams, many assumed the new rules meant an end to home built quadcopters. But manufacturers rose to ...