That is so cool.
I used to build Estes rockets when I was a kid. The biggest one I ever launched was about a foot long. I did have the one with the little camera inside that would take a snapshot when the parachute opened.
This brings back lots of memories!
I remember having to choose the correct engine so that it would have enough delay between it's final thrust burn and when it would pop the nosecone off to deploy the parachute. If there was no delay the camera would just take a picture straight up into the sky and that wouldn't be very interesting. But with enough delay the rocket would turn around and start heading back to earth with the nose pointed down. Then the parachute would deploy so you could get an shot of the launch pad from a high altitude.
I even had my own darkroom. That was back in the days of film. I had to develop the little piece of film myself. It was pretty cool.
The biggest rocket I ever built was about 3 feet tall, but I never flew that one. It was my own design and I would have had to by like three of the biggest engines Estes made at the time. I was a kid and didn't have the money. Plus I lived in Pennsylvania and it was hard to find a place to launch. I remember wishing that I lived in Arizona so I could launch bigger rockets. It's cool that this hobby is still alive and well.
There was another company I used to by rockets and engines from too, I think they were named Centuri Rocket Company? Are they still around?
I actually like the Centuri rockets better than the Estes. They had bigger rockets and bigger engines too, if I recall correctly.,
Question for you,....
How large of a rocket are you allowed to launch before you need to get a special permit?
Also are there fuel restrictions?
The Estes and Centuri engines I used to use were a dry burning fuel that was ignited with a glowing red coil.
But yeah, I used to do this on a very small scale a long time ago in a far off land.
You've got BIG rockets. How high do they go? And what about the FAA? Do you need to notify anyone when you launch? What if you hit a jumbo jet?
That wouldn't be too cool.