>I'm about to go launch my first mid-power rocket, the Aerotech Initiator. I
>want to start off with a E15 and work my way up.
>My question is:
>Should I trust the ejection baffle, or should I still use some kind of wadding?
Sure. I've flown all my Aerotech stuff with just the baffles and have
had no problems whatsoever. I do use only Aerotech motors though, since
I put in the motor retaining hook. I have heard you should not use a
Rocketflite black-powder motor since it causes the baffle to overheat,
but I have no direct knowledge of that. It is important, IMHO, to do as
Aerotech suggests and fluff the baffle material with a piece of metal
after a few launches. Lots of crud will fall out when you do this.
>What kind of wadding do engines above D use?
Others have responded too, but I tend to use lettuce or cellulose.
>Do other companies like NCR or LOC have baffles or wadding systems?
I don't know about NCR but LOC has baffles for their smaller tubes. I
know they don't recommend the step-down models though.