TM 31-210
Improvised Munitions Handbook
| Section VI |
No. 3 |
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DELAY IGNITER FROM CIGARETTE |
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| A simple and economical time delay can be made with a common cigarette. | |
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| MATERIALS REQUIRED: | |
| Cigarette. | |
| Paper match | |
| String (shoelace or similar cord) | |
| Fuse cord (improvised or commercial) |
| PROCEDURE: | |
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1. Cut end of fuse cord to expose inner core. |
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| 2. Light cigarette in normal fashion. Place a paper match so that the head is over exposed end of fuse cord and tie both to the side of the burning cigarette with string. | |
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| 3. Position the burning cigarette with fuse so that it burns freely. A suggested method is to hang the delay on a twig. | |
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| NOTE | |
| Common dry cigarettes burn about 1 inch every
7 or 8 minutes in still air. If the fuse cord is placed 1 inch from the
burning end of a cigarette a time delay of 7 or 8 minutes will result.
Delay time will vary depending upon type of cigarette, wind, moisture, and other atmospheric conditions. To obtain accurate delay time, a test run should be made under "use" conditions. |
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