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Here's something people can help the OR team with that isn't even peripherally related to programming: could people give a look and tell us if they come across obsolete tutorials on youtube and elsewhere? We had a new user contact us today because they were confused by a (really well done)...

A company called onlinemetals.com has 20mm rail with a 5mm slot (compatible with rail-buttons.com mini buttons) for a much less eye-watering price than 8020.net. I was able to get a 6 foot length for $39.84 delivered. It arrived today, and I was able to verify the buttons fit...

Bought one of these recently, and I've got to say it's just the bee's knees. It fits the V6 hot end mount on my ANet A2 prefectly (as it certainly should), and the integrated nozzle/heat break really does completely eliminate leaks. I spent a lot of time and some burned fingers trying to get a...

I've molded epoxy fin fillets before using a steel rod wrapped in wax paper; it worked well, but left issues trying to smooth the fillet at the leading and trailing edges. Wanting to improve my results on my current build, I'm using Rocketpoxy and shaping them with fondant balls. I'm finding...

Before starting, let me make clear that I'm not in any way criticizing Aerotech here -- they only offer their Warp 9 propellant reloads in a plugged configuration precisely because what I'm relating below can happen. Anyway, I flew my 2.2" fiberglass Hichory Dichory Mach on an H999 Saturday...

Is the format RockSim uses to store motor data documented anywhere? I have found https://wiki.openrocket.info/RSE_File but would like to find something more authoritative (I'm working on some tweaks to openrocket's rocksim motor loader code).

Since the default Java implementation on Linux machines has moved on past Java 8, I've created an AppImage that should allow you to keep using the current release. I'd like to invite anyone who would like to Beta test it to give it a spin by downloading from...

I'm designing a mount for a Runcam 2 which will completely enclose the camera. I'd just as soon do without the lens shroud (it's actually slightly bigger than the case, and I can easily have adequate protection in my mount), so I'm wondering how the lens module is actually retained -- more...