While this isn't an original design, it'll be a first for DJI, with new folding propellers that attempt to make its upcoming Flip drone more pocketable. According to Jasper Ellens on X ...

The only way you’re fitting a winged aircraft into the bore of a 40 mm launcher is by folding it ... obstacle keeping his drone out of the air is finding a foldable propeller with the specific ...

After a bit of research, he found that he had fallen victim to the drone pendulum fallacy by mounting the heavy components below the propeller and control fins. Initially, he also used ...