Expedient Demo

Question 1

Munroe effect

Answer 1

Chemist Charles Edward Munroe discovered that the shockwaves created from different directions increased in speed as they reflected off of each other.

Question 2

The greater the ____ of the hole, the greater the effect.

Answer 2

Concavity

Question 3

Expedient shape charge designed to produce a ____

Answer 3

Tubular or linear fracture/hole in a target

Question 4

Shape charges use a ____ to penetrate the target

Answer 4

Explosively formed plasma jet or hot air jet with no liner

Question 5

Expedient shape charge fabrication

Answer 5

Almost any container will work, some have built in cavity liners (champagne, wine, whiskey)

Question 6

Expedient shape charge optimum cavity liner

Answer 6

Copper, tin, zinc or glass. If not cut a cone shape cavity into the charge

Question 7

Expedient shape charge optimum cavity angle

Answer 7

30 to 60. Most HE antitank rounds have a cavity of 42 to 45 degrees.

Question 8

Expedient shape charge explosive height

Answer 8

2 times the cone height

Question 9

Expedient shape charge standoff distance

Answer 9

1.5 times the diameter of the cone

Question 10

Expedient shape charge detonation point

Answer 10

Top center of the charge

Question 11

Expedient shape charge formula

Answer 11

Volume of cylinder - volume of cone = volume of explosive.

Question 12

Miznay chardin effect

Answer 12

Large sheet of explosives turns a sturdy metal backing plate into a powerful blunt nosed projectile

Question 13

Expedient platter charge plate weight

Answer 13

2 to 6 pounds

Question 14

Expedient platter charge explosive weight

Answer 14

Equal to plate weight

Question 15

Expedient platter charge priming

Answer 15

Rear center

Question 16

Expedient platter charge construction

Answer 16

Use buffer for plate integrity (thick cardboard, rubber)

Question 17

Grapeshot charge buffer material

Answer 17

Soil, leaves, felt, cloth, cardboard, wood

Question 18

Grapeshot charge explosive

Answer 18

M112

Question 19

Grapeshot ratio

Answer 19

Explosive weight = 1/4 projectile weight

Use 2” buffer material

Question 20

Dust initiator charge size

Answer 20

1lb (1/2 explosive, 1/2 incendiary mix)
Explosive portion is powdered TNT
Must be thoroughly mixed

Question 21

Dust initiator incendiary portion

Answer 21

Thermite or 2 parts aluminum powder/magnesium to 3 parts ferric oxide.

Question 22

Cover size

Answer 22

3 to 5 lbs of dust per 1000 cubic feet of target.
3lb enclosed
5lb partially enclosed
1lb charge will work up to 40lb cover

Question 23

Cover material

Answer 23

Coal dust, cocoa, coffee, confectioners sugar, wheat flour, aluminum or magnesium powder

Question 24

Ammonium nitrate satchel charge

Answer 24

Most suitable for cratering

Uses ammonium nitrate and melted wax instead of oil

Question 25

AN satchel charge ratio

Answer 25

4 lbs fertilizer to 1 lb wax | Prime with block of explosive before mixture hardens

Question 26

Expedient flame fougasse directional napalm

Answer 26

Thickened fuel prepared and placed for command det Best suited for base defense, physiological effect May be used as offensive incendiary, signal or illumination

Question 27

Expedient flame fougasse ratio

Answer 27

3 ounces m-4 thickening compound per gallon

Question 28

Expedient flame fougasse mixing drum

Answer 28

55 gallon drum 150 oz M4 and 50 gallons fuel Stir and roll, allow to thicken for several hours

Question 29

Expedient flame fougasse construction

Answer 29

1. Dig angled trench less than 45 degrees, leave cutout for kicker 2. Place drum and tamp to increase range 3. Wrap top of drum with 5-7 wraps det cord, 6 to 10 foot branch line 4. Prep igniter. In place of thermite or flares use a 2 liter plastic bottle 1/2 full raw unthickened fuel, prime with overhand knot on branch line 5. Place small ring main and tie in 3 branches 6. Prime ring main 7. Det cord wraps cup top 8. Kicker expels fuel, igniter ignites fuel

Question 30

Crimper method time fuse

Answer 30

Top of nut to top of crimpers 4 sec Nut 1 sec Top to bottom 25 sec

Question 31

60mm priming and new

Answer 31

1/4 block m112 | 1lb new

Question 32

81mm priming and new

Answer 32

1/3 block m112 | 2lb new

Question 33

4.2in priming and new

Answer 33

1/2 block m112 | 9lb new

Question 34

105mm priming and new

Answer 34

1/2 block m112 | 10lb new

Question 35

120mm priming and new

Answer 35

1 block m112 | 10lb new

Question 36

Mortar rounds can be primed ____ for ____

Answer 36

In the fuse well for 360 degree fragmentation and c4 conservation

Question 37

Mortar and artillery filler and RE

Answer 37

All have comp B filler and RE of 1.38

Question 38

How to prime fuse well

Answer 38

Remove carrying ring or fuse and pack with c4

Question 39

Priming mortars and artillery externally

Answer 39

Up to 240mm detonate with 2lbs explosive in good contact with case, just forward of rotating band

Question 40

Claymore filler

Answer 40

1.5 lbs c4 RE of 1.34

Question 41

Hand grenade filler and RE

Answer 41

.5 lb comp B and RE of 1.38

Question 42

White phosphorus grenade

Answer 42

Do not remove fuse, reacts with O2

Question 43

SOF demo kit

Answer 43

M303

Question 44

EFP

Answer 44

Explosively formed projectile