Improvised Munitions Handbook (Improvised Explosive Devices or ...

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3. Rub paste mixture into twisted string with fingers and allow to dry. 4. Check actual burning rate of fuse by measuring the time it takes for a known length to burn. This is used to determine the length needed for a desired delay time. If 5 inches (12-1/2 cm) burns for 6 seconds, 50 inches (125 cm) of fuse cord will be needed to obtain a one minute (60 second) delay time. 6.7.2 Fuse Cords — Slow Burning Fuse The burning rate of this fuse in approximately 2 inches (5 cm) per minute. Materials Required Cotton string or 3 shoelaces Potassium nitrate or potassium chlorate Granulated sugar Procedure 1. Wash cotton string or shoelaces in hot soapy water; rinse in fresh water. 2. Dissolve 1 part potassium nitrate or potassium chlorate and 1 part granulated sugar in 2 parts hot water. 3. Soak string or shoelaces in solution. 4. Twist or braid three strands of string together and allow to dry. 5. Check actual burning rate of the fuse by measuring the time it takes for a known length to burn. This is used to determine the length needed for the desired delay time. If 2 inches (5 cm) burns for 1 minute, 10 inches (25 cm) will be needed to obtain a 5 minute delay. Note: The last few inches of this cord (the end inserted in the material to be ignited) should be coated with the fast burning black powder paste if possible. This must be done when the fuse is used to ignite a blasting cap. Remember: The burning rate of either of these fuses can vary greatly. Do not use for ignition until you have checked their burning rate. 6.8 Clothespin Time Delay Switch A 3 to 5 minute time delay switch can be made from the clothespin switch (section 7.1) and a cigarette. The system can be used for initiation of explosive charges, mines, and booby traps.
Materials Required Spring type clothespin Solid or stranded copper wire about 1/16 inch (2 mm) in diameter (field or bell wire is suitable) Fine string, about 6 inches in length Cigarette Knife Procedure 1. Strip about 4 inches (10 cm) of insulation from the ends of 2 copper wires. Scrape copper wires with pocket knife until metal is shiny. 2. Wind one scraped wire tightly on one jaw of the clothespin, and the other wire on the other jaw so that the wires will be in contact with each other when the jaws are closed. 3. Measuring from tip of cigarette measure a length of cigarette that will correspond to the desired delay time. Make a hole in cigarette at this point, using wire or pin. Note: Delay time may be adjusted by varying the burning length of the cigarette. Burning rate in still air is approximately 7 minutes per inch (2.5 cm). Since this rate varies with environment and brand of cigarette, it should be tested in each case if accurate delay time is desired.
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TM 31-210 Department of the Army Te
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1.25 Sodium Chlorate and Sugar or A
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7.5 Altimeter Switch 7.6 Pull-Loop
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Improvised Munitions Handbook (Impr
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2. Place wood ashes on cloth and sp
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8. 9. 10. When liquid has boiled do
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6. 7. Place screening over dry buck
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6. Caution: Do not overheat or wet
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4. 5. Place the aluminum metal on t
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1. 2. 3. Spread a handful of the am
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Mixing container (bowl, bucket, etc
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Mixing container (wide bowl, can, e
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2. 3. 4. 5. If available, add the f
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Materials Required Source Field gra
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e detonated with a commercial #8 or
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1.12 Methyl Nitrate Dynamite A mois
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8. Add an equal quantity of water t
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Water Tape Blasting cap Steel pipe
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4. Filter mixture as in step 2. Ure
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1. 2. 3. Place 10 grams of copper p
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7. 8. Filter the solution through a
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4. 5. Filter the mixture through a
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3. 4. Caution: Keep solution away f
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Materials Required Source Drugstore
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Water Pan Procedure 1. 2. 3. Mix 12
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milliliters) of hot water each time
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6. 7. 8. 9. 10. Filter the mixture
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1. Weigh 2 grams each of picric aci
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Rod (glass or wood) Glass container
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7. 8. Heat canning jar of sulfuric
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1. 2. 3. 4. Dilute 2-1/4 teaspoons
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Caution: Handle dry explosive with
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3. 4. Strip about 4 inches of insul
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1.24 Mercury Fulminate Mercury fulm
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6. 7. Wash the crystals with 6 teas
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3. Pour mixture into pipe. 4. Inser
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2. Screw pipe cap to one and of pip
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2. Tape, tie or glue one or two row
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2. Ignite the string and allow to b
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2.4 Grenade-Tin Can Land Mine This
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Materials Required Iron pipe approx
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2. Connect firing leads to battery
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1. Place plug in mouth of bottle. 2
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1. Crimp cap around fuse. Caution:
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c. d. e. f. Place large pipe on fla
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Funnel(s) (glass, steel, or aluminu
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Material Funnels inches metric inch
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1. If pipe is used: a. Place the pi
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Caution: Do not place blasting cap
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3. Drill a 25/64 inch (1 cm) diamet
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Note: If 9/16 inch drill is not ava
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. Release strap. 3. To Remove Shell
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lacquer after each layer. 6. Drill
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3. Attach a long cord to the firing
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2. Pour shot from shell. 3. Replace
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Pipe wrench Shellac or lacquer Elas
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11. Position metal strap on stock s
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3.5 Reusable Primer A method of mak
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9. Place cup in pocket with mixture
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8. (Optional) Bend bolt for trigger
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Bolt, 3/32 inch (2-1/2 mm) or small
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11. Place screw on each side of sto
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1. Follow steps 1 through 3 in A. 2
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Note: Number of matches and size of
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3.9 Pipe Pistol for .38 Caliber Amm
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a. Make sure that there are no crac
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Table I Low Signature System Dimens
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further reduce the signature of the
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Note: Be sure that the water pipe h
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3. Drill a hole through the center
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11. Replace the 12 gauge cardboard
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Caution: 8 grams of black powder yi
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3. Place free end of fuse and black
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1. Drill hole in center of wood blo
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8. Insert rag into front of shotgun
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1. Drill small hole through center
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Note: The 14 inch launcher may be h
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3. Place bolt through hole in end c
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150 25 40 0 300 50 40 1 700 150 40
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2. Remove the acid from heat and al
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4. Push the taped matches into the
Page 165 and 166: 2. Cut 2 slots on opposite sides of
Page 167 and 168: 8. Punch many closely spaced small
Page 169 and 170: 5.4.3 Soap-Alcohol System 5.4.4 Egg
Page 171 and 172: Caution: Lye solution can burn skin
Page 173 and 174: Note: Do not get the yellow egg yol
Page 175 and 176: natural waxes which have suspended
Page 177 and 178: 4. Form a tube from cardboard just
Page 179 and 180: After a time delay, the acid will e
Page 181 and 182: 4. Add 12 tablespoons of shellac to
Page 183 and 184: 1. Separate a handful of steel wool
Page 185 and 186: 5.8 Improvised Yellow Flare A yello
Page 187 and 188: 6. Mix ingredients thoroughly by fo
Page 189 and 190: 12. Knot one end of the fuse and pl
Page 191 and 192: 1. Measure 3 level tablespoons of p
Page 193 and 194: 8. Remove lid from quart jar and ad
Page 195 and 196: 5. Place the fused white flare mix
Page 197 and 198: 6. Place all ingredients on the win
Page 199 and 200: 10. Just before use as a black smok
Page 201 and 202: Improvised Munitions Handbook (Impr
Page 203 and 204: 5. Fill the tube with black powder
Page 205 and 206: 4. Fold matches over fuse and tape.
Page 207 and 208: Cigarette Paper match String (shoel
Page 209 and 210: Procedure 1. If watch has a sweep o
Page 211 and 212: 3. Enlarge the hole in the plug exc
Page 213 and 214: . Measure the time it takes for the
Page 215: 6.7 Fuse Cords These fuse cords are
Page 219 and 220: 6.9 Time Delay Grenade This delay m
Page 221 and 222: 3. Secure the wire in place across
Page 223 and 224: 3. Remove safety pin pull ring and
Page 225 and 226: Note: If time delay is used for Imp
Page 227 and 228: Caution: Use extreme care—sudden
Page 229 and 230: 9. Place safety fuse in delay fuse
Page 231 and 232: 4. Load the primary explosive in th
Page 233 and 234: Note: Tamping is not needed when TA
Page 235 and 236: 2. Wind one scraped wire tightly on
Page 237 and 238: 2. Retract the striker of the mouse
Page 239 and 240: 2. Strip insulation from the end of
Page 241 and 242: 7.4 Metal Ball Switch This switch w
Page 243 and 244: 4. Place metal ball on block so tha
Page 245 and 246: 3. Strip insulation from the ends o
Page 247 and 248: 1. Separate loops by about 2 inches
Page 249 and 250: 3. Tie a piece of thread around the
Page 251 and 252: 4. Insert safety fuse in hole. Be s
Page 253 and 254: 7.11 Automobile Generator Power Sou
Page 255 and 256: 2. Place one foot on the generator
Page 257 and 258: How to Use 1. Just prior to use (no
Page 259 and 260: Ammonium chloride (sal ammoniac) (s
Page 261 and 262: made by hooking the wire through ho
Page 263 and 264: It is a more efficient detonating a
Page 265 and 266: A2.4 RDX TM 9-1900, Ammunition, Gen
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A2.10 Blasting Gelatin Description
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089 non-electrical nonelectrical 09
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that makes it illegal in certain ci
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