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I'm scaling up a rocket that I'm adding a payload section to. How do I divide up the main motor tube in OpenRocket? Adding a coupler and bulkheads after that should be pretty straightforward.

I'm looking for suggestions for someone that can replicate some Estes Goblin nosecones for me. Ideally I'd like to get some plastic (Estes part # PNC-55AO) cones but Estes has long since not had a dedicated parts department, so I can't get them individually and for 'proprietary reasons' won't...

To All Interested: I'm checking to see if there are any rocketeers in Two Harbors, MN. I'm planning a visit there over the w/e, and I'm checking to see if anyone there is interested in joining me. Even if you can't, does anyone in Two Harbors have a recommendation for a good field to fly in? I...

Hi All, I downloaded a copy of Open Rocket, and I would like to know if you can do certain things with it: 1) I already did my online build of a 2X Estes Goblin. Is it possible to just copy what I already have and scale it down to original size or up a 4X scale? I already have built both of...

I've been catching up with some of the new technology in rocketry, well, new to me anyway. I built an Estes Maxi Brute HoJo awhile back, but have since removed the engine hook to make room for an AeroPac retainer. Now I see that Cesaroni has some nice 24mm motors I can use. Trouble is, I...

I'm an old rocketeer learning some new tricks, and among those is switching from Aerotech to Cesaroni motors. While I like the ease of cleanup for the CTI motors, one thing I've noticed that I was used to with Aerotech is the ability to add as little or as much BP as needed. The CTI motors do...

I'm working on a my 1st av bay set up within a 5" coupler for a 2.5" Sandhawk. I'm using an Adept ALTS2 mounted on a sled that slides inside the coupler, held together by an eyebolt that runs through the bulkheads on the top and bottom. I epoxied some pvc tubing to the 2 bulkheads for my...