Swedish R/C enthusiasts built this first-person flying contraption to carry out a single mission -- destroy a series of hydrogen-filled balloons -- which will hopefully be hard-coded into future automatons too. After all, balloons could serve as an excellent distraction when they inevitably come for you. Still, there's no need to worry quite yet, so kick back and enjoy the video above while you contemplate humanity's end.
The gun consisted of roman candles mounted on the tricopter with remote ignition controlled by a bit-switch. As the modder and pilot explains on his site RCExplorer:
This was my ignition system. A 12ohm 1/4W resistor and a match-head. When connected to 12V the resistor draws 1A which means that it has to deal with 12W of heat (I^2*R=1*1*12). The resistor is rated for 0.25W (1/4W) and thus heats up so much that it ignites the match-head.
The remote firing system was a separate controller from the main tricopter control pad. It consisted of two buttons, one to arm, the other to launch. A camera mounted on the tricopter allows for precise control even when the flying out of view. Aiming would take a lot of skill and practice, though.
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