To be safe, clean the outside of the pipe threads with alcohol and let thoroughly dry. Now apply the teflon tape to the threads of the pipe. Gently screw the bottom cap on. Finally using the Liquid Nail Glue run a bead of glue around the pipe caps and pipe on both ends. This prevents the pipe caps from coming lose. If you're still alive and have all your body parts, congratulations, you just built your first pipe bomb.
This is perfect for setting off timed tear gas during an event, or a phone or pager controlled smoke bombs to cover a retreat. Altitude Switch- An altitude switch can easily be made with a can, tape, a plastic bag, wire, and two strips of metal. Securely tape and seal the plastic bag into the can with half of the air pushed out. Place one strip as a bridge on the top of the can, the other strip like a lever that the expanding bag can push across to touch the bridge strip.
When the altitude gets high enough a few thousand feet the circuit will close and current can flow. A fun thing to do is put this onto a logging truck heading into the mountains that will ignite a string of firecrackers. Bean Timer- The expansion of dry beans in water can also be used as a timer, you need a clean unpainted metal disk like a can lid, two shiny nails and a straight walled plastic container. As the seeds or beans expand the metal disk will be pushed up against the nails which completes the circuit.
Seal the container with tape unless air transport is expected. Testing- All timers must be tested with the operational battery and a buzzer, or light-bulb in place of its igniter or blasting cap several times.
Always test the circuit to be sure that it is off before connecting the electrically activating the timer. A double activation circuit if there is room doubles the chance of success. Put the firecracker into the hole and glue it into place securely. Cap one end snugly. Pour the powder in. Wipe the threads with rubbing alcohol. Now cap the other end, screw it very slowly and gently. You're ready to blast off. Note: This type of pipe bomb is for throwing and is very very dangerous, both to make and use.
You can make this using a fuse instead of a firecracker. Thus it can be placed where you want it versus throwing it. A good innovation is to grind down one half of the pipe before you insert the powder. This makes the walls of one end thinner than the walls of the other end. When you place the bomb, the explosion, follows the line of least resistance, and will head in that direction.
You can do this with ordinary grinding tools available in any hardware or machine shop. Be sure not to have the powder around when you are grinding the pipe, since sparks are produced. For simpler purposes match heads or gunpowder can be used though they burn rather slowly and create a lesser rupturing velocity of the pipe than other suitable materials. Permanganate with sugar half half or similarly Chlorate with sugar are easily available materials with the chlorate having a higher explosive effect than the permanganate.
Aluminum in powder form is a potent fuel and when combined with Carbon Tetrachloride or Permanganate can produce a more dangerous explosive pipe filler. These are all of the lesser explosives which, however, are easier to acquire. A more complicated scenario would involve the use of TNT or plastic explosives as filler which also increases the risk factors involved.
The lesser powders are usually ground fine to accelerate their burning rate. To make a completely improvised fuse masking tape sticky side up can be placed on a surface and sprinkled with ground gunpowder, the powder will stick to the tape.
It will make a fuse, although less reliable than others. Although the term was not yet part of popular vocabulary, the threat which the act was intended to counter was that of domestic IED production and usage. The investigators were shocked to find many books on practical bomb-making were freely available for any citizen to read, even at the Library of Congress.
A few days ago, ISIS released a how-to guide on launching successful lone-wolf attacks in the west, available in English. All of these have, in some way, been credited with setting off a rising trend of so-called DIY terrorism. In the days before the internet made reasonably anonymous access to almost any information possible, it may have seemed feasible to prevent the spread of knowledge by simply restricting access to paper books.
Now, of course, the issue is much more complicated. In April last year, a UK man was jailed for possession of a bomb-making manual which he had downloaded from the internet even though he was found innocent of any actual terrorist intention. Provided the materials are available, the ugly truth is this: people, with the will, can work out how to build IEDs.
The dizzying range of double-use materials which can be repurposed as explosives means that the complete restriction of access to them is also impractical. Microsoft and partners may be compensated if you purchase something through recommended links in this article. Found the story interesting? Like us on Facebook to see similar stories.
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