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% in …

Oct 14, 2025 · I made a siren using a cr2032 dual battery holder and hi frequency siren and would like to add a red strobe or flashing led to help in recovering the rocket. Does anyone have ideas on how to …

Aug 17, 2022 · The ThunderStruck 2024 Regional Rocket Launch will be held on Friday, April 12th through Sunday, April 14th, 2024, at the Pence High Power Launch Field near Pence, Indiana, off …

Feb 11, 2024 · By Mike KQ9PPosted on December 16, 2024Posted in L3 UPDATED: 16 December 2024 PROJECT: Tripoli Rocketry Association (TRA) Level 3 Certification Rocket NAME: ORCUS is …

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

Jun 13, 2024 · As of the start of 2025, what is the best (or near best) onboard video camera to house with a 2. 1" / 54mm rocket that is - 1. Not necessarily the cheapest 2. Gets good - but not superb …

Feb 20, 2026 · 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 either be a …

Feb 12, 2026 · Model rocketry enthusiast forum & rocket for sale classifieds. Rocketry forums for experts & beginners. Engines, recovery, electronics, rocketry software.

Feb 15, 2016 · A lot depends on how long your rocket is in the transonic zone. You don't want to be hanging out between Mach .9 and 1.1 very long, especially with a cardboard rocket. I have thought …

Sep 5, 2022 · I am new to rocket software, and mid power rockets I want to try OpenRocket and was thinking that some must have made a lot of designs. Is there a place (Website) where there is …