starter

What is a good fuel for a complete beginner rocket? One that can just be easily burned as a test motor. It will not be on a rocket so umm yeah...

Anyone have a circuit diagram or experience with a seperate pyro battery set up for missileworks components? I have a PET2 timer and I want to airstart my second stage with an Aerotech J500. I bought some Wildman Big Uns to test which should be ignitable using the timer only, but I'd like to...