New Combat Helmet can resist 7.62 rounds!!, page 2

reply to post by aegis80

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It's true that guns have far more muzzle energy than a very strong punch, but energy isn't the only thing that matters. Bullets don't carry a whole lot of momentum, while you better believe a punch by Mike Tyson does. Momentum is conserved, and it doesn't feel like getting punched in the shoulder 10 times a second by a man 20 times bigger than Mike Tyson when you fire an AK in automatic mode.

Even though bullets have far less momentum for their energy than punches, they can still cause head trauma, because the neck and brain aren't really good at being suddenly and unexpectedly jolted

Wow... This indeed comes as a surprise! A helmet that can stop AK-47 cartridges will most definitely come in handy in urban warfare scenarios where most insurgents use AK-47's and sniper rifles using the same cartridge.

Originally posted by deltaboy
www.military.com...

"The test lab we sent it to couldn't calculate an [average ballistic rating] because … the test guns they had couldn't shoot fragments fast enough to penetrate the helmet,"

I'm sure a .50BMG (Barrett M82/M107) round would give them a run for their money though for as far as "testing" goes

Thanks Deltaboy! Interesting find.


IT--

Originally posted by WatchRider

I can tell you for nothing that modern kevlar helmets will stop 7.62mm rounds.

There's a soldier in Northern Ireland that took a .50 round impact on his helmet and lived to tell the tale. It deflected it and he survived (having been knocked into a coma for a week!)

Current issue helmets will not stop 7.62. They sometimes help deflect the rounds, but will not stop a direct hit. I returned from Afghanistan this week following a 6 monther. We had 3 lads take hits to their helmets. All rounds penetrated but were deflected by the lids. From the angle of strike they were all glancing hits, two of which were ricochets off the ground. the ranger who took the direct hit said he felt like a breeze block had been dropped on his head, but he carried on with the fight. Saying that all the boys carried on with the fight.



As for the lad in Ulster who took a .50 to the helmet, it was a glancing blow to a Mk6 helmet. It would have missed his head if he hadn't been wearning the helmet, and it virtually split the thing in two. If it had been a inch to the side it would have taken his head off.

Originally posted by paranormal78

yea they have bullet proof vests that can also withstand 7.62mm rounds.the stuff is called dragon skin body armor.it is used by eliete guards for high ranking officers like genrals or other military leaders that are on the battelfield.its new and it works.the stuff its created from is top secret.

I wouldn't be too dependant on the Dragonskin. It failed the most basic US military tests for NIJ level III armour, with multiple penetrations, often on just the 1st or 2nd round, as well a pathetic high temp durability with discs falling off, rendering the areas affected pretty useless. At the standard test temp of 160F it allowed first shot penetration to all parts of the vest (front, back and both sides).

It also weighed nearly twice as much as an equally sized set of Interceptor (47.5lb vs 28lbs) as well as being thicker by almost a quarter (1.7-1.9" vs <1.3"). In the test sample batch half of all Dragonskin vests tested failed one or more aspects of the tests. Out of a total of 48 shots fired at the 8 vests in question, there was total penetration by 13 shots. Hardly the stuff of dreams and certainly not on general issue to US or UK troops..

Just because Mac from Future Weapons gets all breathy and excited about something doesn't make it particularly good (Future Weapons seems to be where many posters here appear to get most of their information).

Oh by the way it's good to be back!

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