Flashcards in Demo Formulas Deck (27)

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1

## Internal Timber Charge (Six problem solving format)

###
1) find Diameter

2) P=D^2 / 250

3)RE

4)PKG weight

5) Total # of target

6) total quantity

2

## Relieved Face Crater Formula (Six problem solving format)

###
1) width of hasty crater

2) Friendly: 40 lbs. Enemy: 30 lbs.

3) N/A

4) 40, 30 divided by Package weight

5) N= (L-10) / 7 +1

6) Friendly/Enemy totals per hole x # of holes = Total quantity of packages.

3

## Abatis Timber Charge formula (Six problem solving format)

###
1) find Diameter

2) P=D^2 /50

3)RE

4)PKG weight

5) Total # of target

6) total quantity

4

## Saddle Charge Dimensions

###
Thickness of charge: 1"

Base of Charge: 1/2 circumference of target

Long axis of charge: Circumference of target

5

## Conventional steel round stock (Six problem solving format)

###
1) find Diameter

2) P=D^2

3)RE

4)PKG weight

5) Total # of target

6) total quantity

6

## Conventional steel cutting charge formula (Six problem solving format)

###
1) Find total area

2) P = .375 x Area

3) RE

4) Pkg weight

5) Total # of target

6) total quantity

7

## Counterforce charge formula (Six problem solving format)

###
1) find information

2) P= 1.5 x Br (Diameter)

3) N/A

4) PKG weight

5) Total # of target

6) Total quantity

8

## which charge formula use package weights?

### Counterforce, and Dirt Cratering charge

9

## Hasty Crater Formula (Six problem solving format)

###
1) width of hasty crater

2) 50 lbs of explosive per hole

3) N/A

4) 50 divide by package weight

5) N = (L-16) / 5 +1 then round up

6) 50 x Number of holes = Total quantity of package

10

## Deliberate Crater Formula (Six problem solving format)

###
1) width of hasty crater

2) 5' hole 40lbs, 7' hole 80lbs

3) N/A

4) 40, 80 lbs divide by package weight

5) N = (L-16) / 5 +1 then round up

6) 7 ft./5 ft. totals explosive per hole x # of holes = Total quantity of packages.

11

## C-shaped Ribbon charge formula (Six problem solving format)

###
1) find CV for all component

2) Total CV

3)N/A

4)Volume of explosive

5) Total # of target

6) total quantity

12

## Abatis Timber Charge considerations

###
Charges placed at 5' above ground

diameter of tree should be 18" for wheel vehicle

diameter of tree should be 24" for track vehicle

3 to 5 meter apart 45 degree toward ENY

13

## conventional breaching radius rules

###
External = thickness of target, rounds up to near 1/2 foot

Internal = 1/2 the thickness of target, rounds up to near 1/4 foot

14

## Expedient explosives charge formula

###
1) find information

2) Vcyl-VC=EV

3) N/A

4) Volume of explosive

5) Total # of target

6) Total quantity

15

## Ribbon charge formula (Six problem solving format)

###
1) thickness and wide (for wide always convert feet to inch)

2) CV= CT x CW x CL

*CT= 1/2 of thickness or 1/2"

*CW= 3 x CT

3)N/A

4)Volume of explosive

5) Total # of target

6) total quantity

16

## Internal Timber Charge Holes and depth

###
Trees up to 18” diameter = 1 hole

Larger than 18” diameter = 2 hole

2 types of hole: Dimensional and Circular

2" Diameter and 2/3 deep in timber

17

## Diamond charge formula (Six problem solving format)

###
1) Find information

2) CV=B^2

3)N/A

4)volume of explosive

5)total # of target

6) total quantity

18

## Saddle charge formula (Six problem solving format)

###
1) Find information

2) CV=B^2

3)N/A

4)volume of explosive

5)total # of target

6) total quantity

19

## Railroad tracks calculation

###
Rails 5” or higher use 1lb of TNT

Rails Less than 5” use ½ lb of TNT

Crossover and switches 1lb of TNT

Frogs 2lbs of TNT

20

## External Timber Charge requirement

### 1"-2" thick, cover at least 1/2 circumference, 1lb kicker charge

21

## External/Ring Timber Charge (Six problem solving format)

###
1) find Diameter

2) P=D^2 /40

3)RE

4)PKG weight

5) Total # of target

6) total quantity

22

## Stump Removal measurement

###
measured at 12"-18" above ground level

diameter is rounded to next higher 1/2 foot

23

## which charge formula use RE factor and package weights?

### Timber charge (Internal, External, and Abatis), Conventional Steel, conventional breaching

24

## conventional breaching formula (Six problem solving format)

###
1) find information

2) P= R^3 KC

3) RE

4) PKG weight

5) N= W/2R (Round off)

6) Total quantity

25

## which charge formula use volume?

### advance steel, and expedient charge

26

## Stump removal charge formula (Six problem solving format)

###
1) Find diameter (convert to feet)

2) 1' per explosive

3)N/a

4)PKG weight

5) Total # of target

6) Total quantity

27