this post was submitted on 05 Sep 2024
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NonCredibleDefense

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[–] [email protected] 25 points 2 months ago (11 children)

I really hope the western allies have a plan for countering drones in the pipeline, otherwise the next time we fight an insurgency will be a bloodbath.

[–] [email protected] 39 points 2 months ago* (last edited 2 months ago) (10 children)

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:

  • Jamming has to fight inverse square so the radius is trash (and kills a lot of useful civil RF ranges like WiFi). Something like 200 meters is a strong system currently, and power needs ramp up fast.
  • ‘Kinetic hard kill’ like traditional air defense is way too expensive per shot, plus there’s issues with UXO, debris, and limited launching platforms. Legacy air defenses like Tunguska or FlakPanzer with programmable airburst rounds work best, but at very short range and make a lot of secondary fragments by design. Taking the guns out, interceptor missiles start at five figures.
  • Laser systems have a lot of promise with none of the explosive downsides whilst being cheaper per shot, but range isn’t great - you’re focusing energy to physically melt the target, and all light suffers from diffraction. It is better than jamming, but far too close for comfort.

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.

[–] [email protected] 2 points 2 months ago (1 children)

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

[–] [email protected] 1 points 2 months ago

What about a shotgun shell but each pellet is crimped around the midpoint of a bundle of carbon fibers

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