Hi all. New guy here but I used to build and launch Estes and home made rockets when I was a kid. I recently saw some kids flying and it immediately brought me back to "those days a Long time ago". For me that was the early 70's. I think I giggled a little when I saw it soar and heard that familiar whoosh! I am now seriously contemplating a build and launch of a high powered rocket for a Level 1 Cert! Damn kids! My question is, are Estes engines the same as they were 35+ years ago? The kids used an Alpha Rocket with C6-5 engine (I "think" I had the same setup) and to be honest I recall quite it being quite a bit more, well powerful back then. I know total Impulse (C) should be the same but I remember it being "better" when I was a kid! It's probably just because everything seems better when your a kid but I was just wondering if there was any change that would make a C powered motor for example different now than it was 35+ years ago?