Several friends and myself at one time hand loaded extensively.Smokeless powder can go bad and should not be used to load with when it does.Together we had accumulated around 10 lbs. of various powders and rather than just dispose of it we decided to make good use of it. Took a piece of 6 inch black iron pipe and capped one end and welded a nozzle on the other.Even added some fins for stability.Loaded er up with the smokeless and that night with the aid of a length of cannon fuse lit that sucker up.It made a spectacular take off and was last seen on a Northerly heading spewing fire and flame.Don,t know where it finally came to earth but if any of you detect up a strange iron object that looks uncannily like a rocket,well.