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[Arx]

If it has trauma plates it will stand up pretty well to most weapons, but if it's a soft vest then it will effectively not be there against blunt weapons. The kevlar is very effective for preventing penetration, so it would work fine against lighter edged weapons and most spear-derivatives, but has terrible blunt force trauma dispersion, so anything designed to have a weighty swing would cause pretty sever damage anyway.

[Cryxis, Prince of Doom]

If it has trauma plates it will stand up pretty well to most weapons, but if it's a soft vest then it will effectively not be there against blunt weapons. The kevlar is very effective for preventing penetration, so it would work fine against lighter edged weapons and most spear-derivatives, but has terrible blunt force trauma dispersion, so anything designed to have a weighty swing would cause pretty sever damage anyway.

wouldn't a large bullet carry the same blunt force trauma as a metal club? or at least when the large bullet is stopped almost instantly by the vest

[Arx]

Yes, but a bullet is designed to kill by damaging internal organs, causing bleeding, and general shock as well as blunt force. Remove two of those (bleeding, part of organ damage and part of shock) and you're down significant efficiency. A warhammer is designed to kill by blunt force. There is little to no efficiency reduction against kevlar.

[Cryxis, Prince of Doom]

Yes, but a bullet is designed to kill by damaging internal organs, causing bleeding, and general shock as well as blunt force. Remove two of those (bleeding, part of organ damage and part of shock) and you're down significant efficiency. A warhammer is designed to kill by blunt force. There is little to no efficiency reduction against kevlar.

ah ok

[Cthulhu]

The actual "force" of a bullet, even a high caliber rifle bullet, really isn't much more than being hit by a baseball.

We know that intuitively, we all saw the MythBusters about being sent flying by bullets, but that's a general thing.  A bullet can't even really knock you down by kinetic force alone.

[MaximumZero]

Also, that same force is compacted into a very tiny area. Much higher newtons, joules, and all other measurements per area.

[Cryxis, Prince of Doom]

Now I think high caliber stuff is strong enough to do some damage
I'm not sure if it's true but I've heard a 50 cal bullet can graze your arm and the force behind it will tear it off

[Funk]

50 cal is a bit of an outsider it's really power full.

Still even a 7.62×51mm NATO round will not knock you over, even if your standing on one foot.
A video of that happening.
Our favorite german engineer tests of modern body armour vs various melee weapons

[Phmcw]

Guys, don't forget newton's second law. You have to absorb the enegry you give to the bullet, all of it, when you fire it.

Depending on the caliber, you can use "tricks" to reduces its impact like making a lot of the gun move to delay and spread the shock in time since it's easyer to sustain a weaker shock longer, have rubber absorb a bit of the shockwave,.... but without a fixed gun, if the impact is enough to send someone flying, it'll send you flying too.

[Cryxis, Prince of Doom]

Un less of course it's a kill shot
Or a high caliber bullet


Was watching the military channel and one show had a video of a soldier engaging a sniper and he took a 50 cal to his chest but he had a vest with trauma plates
It threw him to the ground and he got right back up and kept shooting
He had I think several broken/fractured ribs

[Sheb]

Or they were shot in the leg. Or they ducked for cover.

[Cryxis, Prince of Doom]

Or it was one of those explosive tipped bullets

[Funk]

Those explosive tipped bullets are meant not to go off inside people, it goes off after it's out the there side.

[Cryxis, Prince of Doom]

Those explosive tipped bullets are meant not to go off inside people, it goes off after it's out the there side.

or after hitting the wall infront of them, exploding into their face