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This is a rather strange new glitch I noticed very recently. Openrocket opens up normally, and sits there with an empty rocket file (exactly how it's supposed to work). However, if I then click on file->open, it freezes for about half a second and then closes as if I had closed the application...

Is using the Loki 76-6000 casing with the CTI hubcap adapter a certified combination? A few friends and I are thinking about splitting the cost of a casing so we can all get L3 certs. Some of us would prefer to fly Loki, others want CTI. So if possible, being able to certify on a CTI reload in a...

Pretty much what it says in the title. I'm doing a build that needs to be ultra-light and really strong (hopefully breaking mach 1.5). I definitely need the strength of composite tube, so I was wondering which of the two would be a better option. Thanks!

I'm not really sure where to ask this question. I'm building a 29mm minimum diameter mach-buster rocket that's projected to go to 11,000 feet on a CTI I224. Does anyone know of a good tracker I can use that will fit in 29mm tube and won't add much weight?

My old high school rocketry club is participating in NASA's SLI program, and one of the teams desperately needs a K1620 Vmax reload. They've already submitted their FRR, so this is the only reload they're allowed to fly on. If anyone has a reload they'd be willing to sell, please contact...

Hello! Some friends and I (All L2 certified) have designed a rocket that goes to almost 40,000 feet. Obviously, this causes us some problems because all of our usual launch sites top out at around 10 or 16 thousand. Any suggestions for some launch sites (and the specific launches) that would...