Apr 4, 2023 · I have a tall/thin rocket with a fineness (aka aspect ratio or length to diameter ratio) of ~26 (80” long 3.1” diameter). As currently configured, it has a stability margin of 3.7/14.6% …

Oct 6, 2024 · Question Hi everyone! We’re a university team just getting started with building model rockets, and one of our main goals is to develop an active control system. We’re …

Oct 18, 2025 · If you have a personal rocketry-related item for sale, or that you're looking for, this is where you list it. These are for one time sales items, no business sales. To post you must …

Dec 19, 2023 · Intro I am sharing my progress on a mostly 3D-printed rocket design I started in March of this year. I started the design after losing my first level 2 attempt to the field. The …

Mar 3, 2015 · The rocket will be updated to allow it to use 24mm "E" motors and have TTW fins. Doug Bertelsen and Boyce Aerospace Hobbies have worked on the 3D printing of the camera.

Feb 27, 2024 · I'm looking for a rocket to build for my L2 cert. Any favorites or recommendations would be appreciated.

Feb 22, 2012 · I am building a rocket with a high powered motor in the US/Texas through my university. We will be using passive control on our design, but the question has come up - …

Nov 15, 2024 · Aftershock II has officially become the highest and fastest amateur rocket of all time! Following its successful launch and recovery on October 20, 2024, data from the on …

Jan 10, 2023 · Hello all! What is considered a mid power rocket engine? It's a bit confusing, some say an E engine while others say an F and G engine.

Nov 25, 2024 · How would a rocket that is powered by gunpowder fly compared to a normal rocket engine?