Linear Shaped Charge

Section II

No. 10

This shaped charge made from construction materials will cut through up to nearly 3 inches of armor depending upon the liner used (see table).


  • Standard structural angle or pipe (see table)
  • Wood or cardboard container
  • Hacksaw
  • Wooden rod, 1/4 in. (6 mm) diameter
  • Explosive
  • Blasting cap
  • Tape

34 1 Linear Shaped Charge

NOTE: These were the only linear shaped charges of this type that were found to be more efficient than the Ribbon Charge.

Ribbon Charge: No standoff is required; just place on target.

34 2 Linear Shaped Charge


1. If pipe is used:

a. Place the pipe in the vise and cut pipe in half lengthwise. Remove the pipe half sections from vise.

b. Discard one of the pipe half sections, or save for another charge.

34 3 Linear Shaped Charge

2. Place angle or pipe half section with open end face down on a flat surface.

3. Make container from any material available. The container must be as wide as the angle or pipe half section, twice as high, and as long as the desired cut to be made with the charge.

4. Place container over the liner (angle or pipe half section) and tape liner to container.

34 5 Linear Shaped Charge

5. If plastic explosive is used, fill the container with the explosive using small quantities, and tamp with wooden rod or stick.

NOTE: If castable explosive is used, refer to step 4 of Section n, No. 3.

34 6 Linear Shaped Charge

6. Cut wooden rod to lengths 2 inches longer than the standoff length (see table). Position the rods at the corners of the explosive filled container and hold in place with tape.

NOTE: The position of the rods on the container must conform to standoff and penetration dimensions given in the table.

34 7 Linear Shaped Charge

7. Make a hole for blasting cap in the side of the container 1/2 in. above the liner and centered with the wooden rod.

34 8 Linear Shaped Charge

CAUTION: Do not place blasting cap in place until the Linear Shaped Charge is ready for use.


1. Place blasting cap into hole on the side of the container. If nonelectric cap is used, be sure cap is crimped around fuse and fuse is long enough to provide safe delay.

34 9 Linear Shaped Charge

2. Place (tape if necessary) the Linear Shaped Charge on the target so that nothing is between base of charge and target.

3. If electric cap is used, connect blasting cap wires to firing circuit.

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