I like using the star board because it is fast. I like using the Star Roller because it makes stars that are great for shells and... well ... doggone it, it ...
Intro: Make a Ball Mill in 5 Minutes. This is for all the pyro nuts that I came across on Instructables. This can be used to grind chemicals to a very fine grain or ...
How to make and test your own high-powered black powder. Optional kit makes 12 pounds of black powder.