I never used it for anything other than sparkler bombs (crushed up the stuff on sparklers and put them in a pill bottle) but a bigger straw from a gas station (QT) fits a firecracker so if you take a firecracker and break it in half it will shoot out a stream of sparks and ignight whats in the straw. I use water dynomite with just a litle bit of paper towell wraped around it. gives you about a ten second fuse.
Also made a airsoft cannon out of a barrel out of an airsoft gun and same type of explosive. |