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I have two sets of Binder Design MaxQ 4" AIRFRAME fin cans. Flown only twice on a project I have moved on from. I swapped out the provided screws with Torx-Plus scews which makes them much easier to install. I have an extra box of 50 screws for each set. $170 per set shipped in cont. US...

Curious if you have one sitting around in your stash, looking for a new home.

Does anyone have an easy BT-80 fin can stl with a 24mm motor mount? Nothing fancy required, looking for something light weight where I wont cry when a stash of E9s cato.

Does anyone have some pics of the 4"/54mm transition from Wildman. Need to see if this will work for my project.

We are just over 30 days to Heartland Thunder 2023 We have another great weekend lined up with two days of flying, a great annual dinner Saturday night, NAR Contest flying and Group Project contest with the Bad Boy Rocketry Executioner. Registration...

The Heartland Organization of Rocketry is having their spring launch. We are planning a two day event, free will donation lunch, 16k msl waiver, and a great new launch site. Come fly with us! https://www.nebraskarocketry.com/2023-high-power-launches

Im trying to input the Protuberance data for Mikes MaxQ fins, and I read the instructions, just not sure I understand that data they are wanting input. Can someone smarter than I help dumb it down for me and walk me through what to measure and input. Second, how important is inputing nozzle...

Looking for a good used 98/15360 that someone may be collecting dust and want to offload before I buy a new one.

So I'm building a 4" two-stage rocket and am torn on switch bands. Everything I have built has had switch bands on both staging couplers and av bays. Is there a disadvantage to not using switch bands? my thought on this build was just to go body tube to body tube from the ground up. Anything...

The Heartland Organization of Rocketry will host their Heartland Thunder rocket launch weekend in two weeks. With one of the top 5 waivers in the midwest and plenty of activities planned, it is guaranteed to be a great weekend.

Well, my first issue with my stratologger. After my last flight a year ago on it, i power it up, and it starts up in the same mode as if it just flew. It will not start up, prepping for flight. The battery is at 8 volts, swapped lipos, hooked it up to the software, everything downloads...

Does anyone have one?

Can someone help me with my file? I had everything working fine, and I changed the windspeed and now when I run the sim, my main comes out at apogee. I think all I changed was the windspeed (lowered to 8-14 from default). I have seen this before and never got it fixed. I have no idea what I...

Pretty happy with my ION case. It fits the board with a spacer to protect the 300mah battery from the pins, lid with ION details, and thread inserts.

So glad to be to this point in my second attempt at L3. Pretty happy with these charges and ready to button everything up and get some color on it. Hope to fly it next month!

I have the opportunity to start a TARC team with a local high school in hopes to compete in 2023. For those that have started one or advise one, what advice do you have to help lessen the learning curve for both the students and me?

I created a page to show how I create great-looking fillets. No method is the best method, this is just my method.

A shout out to Mac Performance. Every time I build one of Mikes kits, I remind myself I don't do it enough. His parts are crazy tight on tolerances and the quality is second to none. I really like his stuff. This one, I used a Giant Leap tail cone retainer, printed a Telegps mount for the...

Does anyone have one built for this? I can't seem to find one online anywhere. Thanks

Has anyone ever used an altimeter to release a boost glider? Seems like with an Eggtimer apogee this could be pretty simple, but don't want to reinvent the wheel if it's already been done.