JBV Creative built a drill-powered, 3d-printed helicopter that can actually fly, and it just might be the world’s first to do so. Put simply, all you need are the proper 3D printing files and a power drill to get this thing off the ground.
The power drill is basically used to rotate the geartrain, thus driving a small disc propeller. Once the propeller spins fast enough, it launches the helicopter into the air. This geartrain interfaces with the propeller using a simple toothed coupler, or a hand-cranked version is also an option for those without a power drill. Interested? You can get the files here and try the build out yourself.
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