Introduction: Detonators (Blasting Caps)
Detonators (blasting caps) can be made from a used small arms cartridge case and field-manufactured explosives. Detonators are used to initiate secondary high explosives (C-4, TNT, etc.).
This destructable was "borrowed" from The Army's Improvised Munitions Handbook, courtesy of Steal This Wiki.
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Be sure to read the warnings.
Legal Disclaimer: THIS INSTRUCTABLE IS FOR ENTERTAINMENT PURPOSES ONLY, DO NOT USE THIS ARTICLE TO BLOW THINGS UP, AND BY READING THIS INSTRUCTABLE YOU AGREE THAT I AM NOT LIABLE FOR ANYTHING YOU DO WITH THESE BLASTING CAP(S).
Step 1: Materials Needed and Primer Removal
Remove fired primer from a used cart ridge case using a sharpened nail.
Step 2: Drilling
If necessary, open out the flash hole in the primer pocket using a drill. Make it large enough to put the fuse through.
Step 3: Fuse the Cartridge
Place one end of the fuse in the flash hole and extend it through the case until it becomes exposed at the open end. Know this and then pull the fuse into the cartridge case this preventing the fuse from falling out.
Step 4: Loading the Explosive
Load the primary explosive in the cartridge case. Use the following chart for the proper amount. A handbook page is a piece of paper.
Step 5: Compression
Compress the primary explosive into the cartridge case with the wooden stick and the following improvised loading fixture.
Step 6: Booster Addition
Add one gram of booster explosive. The booster can be RDX or Picric Acid.
Step 7: Booster Compression
Compress the booster explosive into the cartridge case with wooden stick and loading fixture.
Step 8: Filler
If the case is not full, fill the remainder with the secondary explosive to be detonated.