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usCrow has a nice tutorial for two models of steel trauma plate: http://uscrow.org/2013/05/22/how-to-make-ballistic...
Ideally you want a durable carrier, either canvas or several layers of kevlar if you've got the budget, and a plate that can withstand at least six rounds of the largest style of ammunition you want your armor to face. Alternatively, you can install a series of thinner plates made to the same standard that act like a whipple shield and break up or deform heavier rounds to be absorbed by a backstop of kevlar while defeating pistol munitions. IIRC, the nastiest penetrator in small arms outside of the .50BMG would be a steel, tungsten, or depleted uranium core 7.62mm. I'm not even sure if you can buy the steel-core penetrators let alone get somebody in the military to test your plates with DU since uranium of any sort is a controlled substance.
Literally, the least you need for make body armor are some steel-working tools for cutting bending and grinding/polishing your plates, used motor oil for quenching and hardening after heating, bending, and cleaning your plates (ask your local auto shops if you can pay them to collect the stuff from their customers during regular oil changes), and 2/8" to 3/8" thick steel sheets.
If you want to get fancy, try the alumina beads idea or figure out how to cook up boron plates in your backyard, I've seen the industry vids on how they do it and it's like melting a fine sand of boron into one solid piece with a very high-temperature press.
You can buy Alumina (artifcial saphire) spheres quite cheaply - they dont need to be precision spheres.
Lay down some women kevlar sheet, add a layer of spheres, add more kevlar, more spheres, and so on. Then use a resin to bind it all together.
You will need to experiment to find the right size of spheres, the number of layers, and the number of layers of kevlar to lay between the spheres, but the composite should be very effective. You can also add hollow microspheres as a filler to reduce the amount of resin needed.
way to treat your son, lol.
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Posted:Jan 31, 2009
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