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-board avionics unit was collected and analyzed to reconstruct the rocket’s flight path. After a thorough internal review, the...

Nov 2, 2024 · Hi everyone, I'm working on a recovery system for a mid-altitude rocket, and I’m looking to design a CO₂-based ejection mechanism to avoid using explosive materials. My goal is to create a safe and reliable release system by using a cam mechanism controlled by a servo motor. Concept Overview...

Jan 7, 2019 · These are easy to make, small and cheap enough to have one in every rocket semi-permanently attached to the recovery harness so you don't have to move them between every rocket. The author said you can make a set of 10 for about $4.50 each, but that includes spreading the costs of the wire and paper clips across the 10 units.

Jul 22, 2024 · Say you're using 4-40 shear pins in a 4 inch rocket, that'd give you 175.6 lbs of force to retain and require 4 shear pins rounding to whole numbers. Now calculating BP charges (or CO2 in your case), I'd take the number of shear pins required and then use the maximum strength of the shear pins to get the required pressure to ensure the pins shear.

Jul 8, 2005 · To make the rocket roll, use two symmetrical (NACA 0004) and two cambered fins (say SD6060) or something. Oppose each fin opposite each other on the body tube. The cambered fins will produce equal and opposite forces, in essence a …

Mar 9, 2018 · The rocket did go sideways (it pinwheeled along the ground for a bit), but, luckily, it was an MPR flight and a relatively lightweight rocket, so it didn't go very far. I was lucky to learn the lesson without creating a huge safety issue and I have not repeated that mistake.

Jan 16, 2025 · Model rocketry enthusiast forum & rocket for sale classifieds. Rocketry forums for experts & beginners. Engines, recovery, electronics, rocketry s

May 23, 2020 · You basically get to put in the most critical parameters: nose cone dimensions and profile, body tube dimensions and profile, rail buttons (or the lack thereof), fin dimensions and profile, tailcone properties, total rocket mass, total rocket CG, and surface finish. It can then predict altitude really well.

Jul 3, 2024 · Estes #9726 – JEB Kerbal Rocket (MSRP $49.99) An exciting partnership between Estes Rockets and Kerbal Space Program, the beloved virtual space exploration game! The Estes Kerbal Rocket Collection features two sets. • Kit One includes Kerbal Rocket and Jeb figurine • Kit Two includes Val and Moon Dog Rocket figurines Specifications:

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