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Basically, it's similar to a "bean bag round", except it's rocket propelled and probably heavier. The aim is to deliver sufficient momentum to knock an individual over. Of course, if fired conventionally from a gun, it would also knock down the person firing it...
Enter the rockets. Using a solid
rocket motor, possibly fuelled by sugar, the round accelerates after leaving the weapon. This leads to more manageable recoil; it may have to be launched from the gun through compressed air, depending on the exhaust temperature, which may be an issue for anyone being hit by it. The round will be designed to dump as much momentum as possible into the target, knocking them down (and probably fracturing a few ribs in the process - eh, I thought of it as a means to take out an opponent who is a threat to life, the current alternative is to shoot them...). It may be that it would have to flatten upon impact, to achieve maximum force at a safe level of pressure.
A 0.05 kg round moving at 100 m/s would have a kinetic energy of 250 J and a momentum of 5 kgm/s. If it impacts an individual massing 100 kg and dumps that momentum into them in 0.1 m/s, they will experience an acceleration of 0.5 m/s^2, though obviously concentrated in a smaller section. Perhaps later iterations will up the velocity, if it can spread out more to reduce the impact...
The main advantage I can see over the current bean bag round system is possibly greater range.
Wiki on bean bag rounds
https://en.wikipedi...wiki/Bean_bag_round
[Selky, Nov 26 2014]
Panzerfaust
http://en.wikipedia.org/wiki/Panzerfaust
An ideal starting point for experimentation [8th of 7, Nov 28 2014]
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Annotation:
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[fishbone], because on further reflection, I suspect it would be quite dangerous, given that the rocket would be very hot... |
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Perhaps a rocket powered drone, though, might work. One that is designed to actively push against an individual. Could we make solid rocket motors cool enough? |
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I think the problem with rocketry is that you need
highly skilled people to know where they're going to
land, I mean we're really talking brain-surgeon level
types here, it's quite a science. |
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I think this is the wrong approach. Your aim is to hit
the target with a massive projectile with a large
enough area to avoid traumatic injury, yes? You are
also using rockets to reduce the recoil of the
launcher, yes? |
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So, a little lateral thinking suggests an alternative
solution. Instead of using rockets, embrace the
recoil - in fact, design a weapon which produces as
much recoil as possible. Then, the police officer
turns his back to the target, and fires the weapon.
The result is that the entire policeman is propelled,
by the recoil, towards the target. |
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Policemen are generally quite large, and also roughly
human-sized. So, this impact will deliver a lot of
momentum to the target, spread over the maximum
impact area. |
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Not only will the target be knocked over, but he will
end up underneath the policeman, who can then
conveniently apply the handcuffs. |
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A trebuchet will throw a large object quite fast with little recoil. |
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1. Get a retired defensive lineman.
2. Indicate the desired target to said lineman.
3. Offer a six-pack in exchange for a sack. |
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Or you could devise a recoilless bean bag gun, which would then allow you to fire arbitrarily large beanbags. |
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Centrifugal bean bag launcher. Two bags enter, one bag leaves. |
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Beanbag Panzerfaust … [+] |
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A cool-burn rocket motor isn't a problem. Take a look at the RPG
family of BCSW … and with most shoulder-launched rocket
weapons, the motor has fully expended before the projectile
leaves the launch tube. |
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The beanbag could be mounted in a longtitudinally segmented
sabot, like a plaswad, which is attached to the rocket motor built
into a very lightweight casing. When the projectile leaves the
muzzle, a set of retarding flaps spring out around the base of the
rocket like the petals of a flower; the rocket - now with very little
mass, since the propellant has burnt out - rapidly brakes and falls
to the ground; the beanbag eixts
the front of the sabot and proceeds to the target. |
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The launcher, since it is just a guide and doesn't need to contain
pressure, could be plastic and single-use. |
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Very Bakeable, and would make a great Mythbusters episode. |
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<wanders off to find a suitable length of drainpipe) |
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It would be a more elegant solution for each individual bean to have its own rocket motor, then the join up to hit the target, so avoiding obstacles in the way.. |
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NB start parking tractors on Heathrow's runways now...I'm coming back to blight the lives of English people in person weekend after this muwhhahahah.. |
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I hope in the near future police will have robots that
move so much faster than human reflexes they'll be
able to tie up any suspect before he can so much as
twitch. This will make police work much safer for all
involved parties. |
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Giant Robotic Police Spiders ? |
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