can any one give me some info on 2 inch smoke mortars not WP bursting just the plain smoke rounds from ww2 time plans of said items would be good or info from some one or other who has had dealings with these rounds i need the info on smoke rounds only if that helps i want to see how the smoke system worked on them as i am interested in the functioning of these rounds as in my pics it says that there is a black powder charge in the base with a 5 second delay to start the compound in the main body is this correct and would the black powder charge still be live after the smoke has burnt off
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