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  • Bullet proof walls or not

    I found a pretty cool bullet/wall penetration article written for what appears to be the city of Boulder CO.
    It looks like they were looking into retrofitting some of the old gov buildings, as well as looking for inexpensive ways to bullet proof new construction.



    The article: http://www.huts.com/Huts'sBallisticTest.htm

    From another website, it seems that the sand filled walls would do just fine if they had made them just 2 inches thicker. (perhaps lined with a rubber sheet or innertube material that might promote self sealing and curb sand loss)

    The article: http://www.theboxotruth.com/docs/bot7.htm




    Thought this info might be of value to some.
    Last edited by slowz1k; 03-31-2010, 04:39 PM.
    The 12ga.... It's not just for rabbits anymore.

  • #2
    like this it answered some things for me what about adobe two feet walls hummm this is one to think about .or what they call cob which is clay straw and sand mix my avatar is a house built out of starw bales and cob on inside and out.

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    • #3
      If it burns, they will burn it The bad guys will travel with lap tops with all the info they need pre-loaded, thier routes the wealthy zip codes, the easy targets. the hospitals, the retail districts. Each gang's boundrys as well as the PPL they are to "collect" with photo and biometrics.
      Count on it.
      Last edited by kenno; 03-28-2011, 09:06 PM.
      The road to serfdom is paved with free electric golf carts.

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      • #4
        Originally posted by plowboy65 View Post
        like this it answered some things for me what about adobe two feet walls hummm this is one to think about .or what they call cob which is clay straw and sand mix my avatar is a house built out of starw bales and cob on inside and out.
        Good question.... It seems that the common theme in making a structure bullet resistant is to have thick enough material to absorb and stop the bullets energy as it penetrates, or have a medium that will break up the bullet, robbing it of it's ballistics as it penetrates, or have a substance that is hard and thick enough to resist penetration all together.
        I have no experience with it, but I would think that the cob would do rather well. It "looks" to be thick enough to absorb the energy of most loads. I guess the only way to tell would be to build a small sample structure and shoot it with different rounds.
        One thing to remember... A .308 (a common round) will make short work of most masonry found here in the US. A bullet resistant structure doesn't give you that much more security, just more time to deal with or eliminate the threat, before they can deal with you.
        The 12ga.... It's not just for rabbits anymore.

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        • #5
          i don't have a 308. i have a mosin nagant yea i know they'er close in calber 7.62x54r i also have 480 round to go with it. fmj rounds me and my youngs son went shooting last week end. a 8 inche tree did not stop the rounds went stait thru. this summer ill build a test model and see if it hold up so till then.

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          • #6
            hey let us know plw boy i'm very interested to hear
            the pack that plays together stays together

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            • #7
              According to my soldier's handbook it takes 18" of tree trunk to stop one 7.62 NATO round.
              16" of dirt, the plus side of dirt is that it falls back into place. Dirt, gravel and water do not burn.
              Of course the real problem with every redoubt is that the moment you try to escape it you are doomed, unless you have an organized retreat with small redoubts pre-planned, pre-built. But it will not be without lose.
              Old time infantry know this stuff, and with combat engineers can make an oponents "cake walk" turn into a death march.
              Last edited by kenno; 04-01-2011, 12:51 AM.
              The road to serfdom is paved with free electric golf carts.

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              • #8
                For real protection I think tire bale walls would be the way to go, about 5' of tire should stop most all small arms fire, it also provides excellent insulation from what i hear, and its reusing old materials. The only drawback is that it would require a lot of effort and planning to be carried out correctly, also the help of some heavy equipment, but i think it would be really cool to have a house that when you're asleep at night knowing that you're protected by tons of old tires. Apparently alot of places shun the practice, because they think its dangerous for some reason the idea of using unconventional materials, but more are starting to allow it more because of multiple succesful structures built this way.

                Just type in tire bale construction and multiple site come up on the subject, also many sources where you can obtain them, apparently some places give them away for free if you have the building plans showing how you will be using them, so then the only cost will be shipping, which could be high, but in the end could be worth it considering what you will be getting.
                Last edited by collector; 05-16-2011, 12:22 PM.

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                • #9
                  Interesting subject. Never really thought about making my house bullet resistant.

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                  • #10
                    I am a proponent of the Skousen Wall. Constructed on the outside of existing walls, or incorporated into new construction, a 2x6 metal frame wall is erected, sheathed with 3/4" or thicker plywood, and filled with 3/4" gravel. Here is some more information if you don't want to buy Skousen's (expensive) book.

                    Personally, I think I'd do two parallel 2x4 walls, separated by 4"-6" and fill the entire void to get better resistance against .50 BMG and AP ammunition.

                    http://www.wakeupforeign.com/?p=165&...press&Itemid=1
                    Last edited by Jerry D Young; 05-29-2011, 03:28 PM.
                    Jerry D Young

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                    • #11
                      I have used this product.....

                      http://www.armorcore.com/products.html

                      I built the bench for a local courthouse...well...the frame anyway. It was made from 4"x4"x5/16" angle iron....with these panels bolted to the frame....and covered with wood paneling.

                      I was told that the panels would stop 3 consecutive 30-06 rounds.....it was about 1.5" thick...and heavy....the judge could get behind the bench if trouble broke out.

                      I have a chunck of it at the shop....

                      I also have mad a bunch of sample frames for bullet proof glass....and got to shoot them...:)....it absorbed the bullet....not deflect it....
                      Live like you'll die tomorrow, learn like you'll live forever.

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                      • #12
                        Originally posted by Echo2 View Post
                        I have used this product.....

                        http://www.armorcore.com/products.html

                        I built the bench for a local courthouse...well...the frame anyway. It was made from 4"x4"x5/16" angle iron....with these panels bolted to the frame....and covered with wood paneling.

                        I was told that the panels would stop 3 consecutive 30-06 rounds.....it was about 1.5" thick...and heavy....the judge could get behind the bench if trouble broke out.

                        I have a chunck of it at the shop....

                        I also have mad a bunch of sample frames for bullet proof glass....and got to shoot them...:)....it absorbed the bullet....not deflect it....
                        That's a very cool website.
                        I like what they're doing with the "bulletsponge". a few 18"x18" sponges would be very nice to have for "mobile" cover. I could see hanging them over the back of the rear seats in SUV's, or even over the doors for a temporary vehicle cabin armor
                        The 12ga.... It's not just for rabbits anymore.

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                        • #13
                          Depending on who you are defending yourself from will determine whether this is a waste of time in my opinion. There is nothing wrong with putting something between you and the bad guys, but if they decide to ram your location with a large truck or use explosives you will be sce***. I think I would stick with protection from the lighter stuff and rely more on an evacuation plan.

                          This is subject I would be willing to learn more on and rather put to use for vehicle protection.

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                          • #14
                            If you want real protection go with one of these
                            http://www.missilebases.com/
                            If you have the money that is

                            and snow walker I think you could provide good protection against vehicles with the implementation of a large ditch or a insulating mound of dirt around a tire bale house or any heavily made house, as far as explosives go i don't know if your planning on getting hit with an airstrike but if you had 6' of wall with another few feet of dirt that should probably keep out anyone trying to breech in. Well that's what i'd do.

                            oh and here are a few of the links to the tire bale housing
                            http://www.tirebalehouse.com/index.html
                            http://www.hagartirebales.com/

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                            • #15
                              Originally posted by collector View Post
                              If you want real protection go with one of these
                              http://www.missilebases.com/
                              If you have the money that is

                              and snow walker I think you could provide good protection against vehicles with the implementation of a large ditch or a insulating mound of dirt around a tire bale house or any heavily made house, as far as explosives go i don't know if your planning on getting hit with an airstrike but if you had 6' of wall with another few feet of dirt that should probably keep out anyone trying to breech in. Well that's what i'd do.

                              oh and here are a few of the links to the tire bale housing
                              http://www.tirebalehouse.com/index.html
                              http://www.hagartirebales.com/
                              Wow, very good information!

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