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The only use I know of for this term is in model rocketry. A model rocket's engine is made up of several layers of propellant. After the propellant, the primary layer that shoots the model rocket up, has burned out, a layer called the "delay charge" burns. This layer doesn't push the rocket, it just puts out smoke so you can see where the rocket is and creates a delay before the last layer called the "ejection charge" which pushes out the parachutes or whatever method method is used to recover the rocket.

I'm adding a link to a wikipedia page on model rocketry.

If there is another meaning, maybe someone who knows will come by.

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Wiki User

16y ago

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