this post was submitted on 05 Sep 2024
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As someone who’s been following this fairly closely since the Syrians started toying with it, and the Ukrainians threw it into hyperdrive… There’s no good counter when drones are cheap to make and can be programmed to run on a flight course:
That assumes you know the drone is coming, mind you. Piston-engine flying wings aren’t silent, but they are generally made of polymers/laminates that are hard to detect via radar. Thermal cameras and acoustic sensors so far are the best early warning systems, but radar is still a huge help.
And then there’s FPV and quadcopters. While a larger munition like Shaheed can be under $10k, even the more advanced FPV/quads with night vision (or even thermal) cameras frequently run under $1,000, up to a few thousand. Air dropped explosives have been fundamental in changing the course of the civil war in Myanmar for the rebels, it’s like having a budget Air Force and spy satellites on call.
Have they looked at masers? Basically rf lasers.i think they're much cheaper than lasers and could be steered at drones but would only need enough power to interfere with guidance/ controls
Yes, you can damage pretty much anything with enough energy. It's hard to fit high-power lasers on small flight-capable platforms, so ground-based units are more likely. You can blind UAV systems' sensors with IR lasers at relatively low power, too. However, this is easily countered by software. Reflective coatings and retroreflective foils are possible countermeasures to laser attacks, but even these have damage thresholds.
IR lasers and masers have the advantage of being eye-safe, meaning their light won't get bent by your eyes' lenses and can't damage your retinas, due to their wavelength. With enough power, however, you can still burn human flesh.
TIL, thank you friend!
There has been development of smarter jammers that’ll ‘listen’ for the frequency used, and pump out jamming to defeat it, but I haven’t heard of a steerable unit like that - very interesting.
Why not just use a big shotgun for the smaller stuff, skeet shooting style? I dunno how to really deal with much larger drones, but a shotgun should be able to deal with most human sized drone targets pretty easily
What about a shotgun shell but each pellet is crimped around the midpoint of a bundle of carbon fibers
Gin and hubris tell me the leading defense will be other drones. Defense still has the range advantage: assholes come to you. You can easily make faster and lighter drones than whatever's targeting you, and if nothing else, punish attacks with loss of materiel. Which doesn't even require blowing up your zippy little drone, if the enemy's rotors can be fucked by anything more substantial than Silly String.
Hmm, what about Phalanx/CIWS for hard kill? Assuming you can track the target.
Of course the real solution is trained birds.
The air burst rounds sound like the best option, pretty much guaranteed kill against a slow moving drone, cost less than what you're shooting at, and useful against a wide range of targets.
Yup, air burst and lasers are the leading ideas atm. But you’re still dealing with a zone of protection a kilometer or so - not a big deal to defend the main command post or vital supply depots, but spreading that out to industrial areas, grid power stations and substations, seaport complexes, or cities and your ‘blanket’ of protection starts looking too small for the job of covering the ‘want to have’ as well as the ‘need to have’ protected.
I was thinking about military actions on foreign soil, where the infrastructure is theirs anyway.