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Comment on Tech hobbyist makes shoulder-mounted guided missile prototype with $96 in parts and a 3D printer — DIY MANPADS includes Wi-Fi guidance, ballistics calculations, optional camera for tracking

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NotAnonymousAtAll@feddit.org ⁨2⁩ ⁨weeks⁩ ago

Notably absent… the explosives.

xkcd.com/651/

Not my area of expertise, so please tell me if the idea is complete garbage. With that being said: Theoretically, could the LiPo Battery that’s already in there anyway be turned into an explosive payload by intentionally overheating and puncturing it on impact?

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UnderpantsWeevil@lemmy.world ⁨1⁩ ⁨week⁩ ago

Not my area of expertise, so please tell me if the idea is complete garbage.

Turning a laptop battery into a weapon is a non-trivial endeavor. The absurdity of TSA was more their attempt to police based on weak science than the real danger of an airplane full of lithium battery powered devices.

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- NotAnonymousAtAll@feddit.org ⁨1⁩ ⁨week⁩ ago
  Not really an answer to you, just writing it here in case anyone else interested is still reading along:
  
  I looked up some numbers and apart from the practical challenges of making a battery “go boom” in a controlled way it seems like the energy density to even make this a hypothetical option just isn’t there. Even the best LiPo batteries don’t quite reach 1 MJ/kg while gunpowder has ~3 MJ/kg, and numbers only go up from there for more modern chemical explosives.
  
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