I never had much luck making gunpowder. I did have success making chinese flash powder (potassium chlorate + sulfer iirc). Good fuse from hobby shop (for Estes

I never had much luck making gunpowder. I did have success making chinese flash powder (potassium chlorate + sulfer iirc). Good fuse from hobby shop (for Estes rockets I guess). CO2 cylinder. It's a nice little bomb