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Well, we've been toiling away for a few months now and our next rocket is ready for its shakedown flight in a couple of weeks. The Spark-S4 is designed to be a modular, minimum-diameter system that breaks the fin can, motor tube, electronics bay, and recovery systems into separate systems that...

It’s been a bit, but we are back. It's been a busy few years and we are ready to get back to building rockets. My dad and I were talking about what we wanted to do rocket wise in the next few years and we kept coming back to a high altitude rocket attempt. So, we settled on a goal of 200,000 ft...

I am looking at doing a large run of Unistrut rail buttons. Right now there are only 2 suppliers that I know of: Aerocon (which is stupidly expensive at $12 a button) and Pro Line ($5 a button and I have not dealt with them before). If you are interested, I would love your feedback on the...

I was replacing the worn rail buttons on one of my rockets. I replaced 1 just fine.The other 2 I got about 3 turns out when the epoxy on the backing nut let loose. I suspect the threads at the end of the screw got some epoxy or other gunk on them and wouldn't turn through the nut without some...

I have a chute release and like it. I am flying a 10in diameter rocket with a single compartment and no real space to do a proper dual deploy. Can I use the chute release with an 8' rocketman chute? The manual and spec pages do not reference a max size, only to use the large band for chutes over...

I am getting these 3 ready to launch in 10 days and thought I would post some progress. Here's the 10in Goblin, which is being named "You Naughty Monsters". Hand painted with a awesome paint job by my cousin Arti. All I gotta do is build the K760 and final prep. I also needed to build...

We are now pretty much 2 weeks away!!! I am hoping everyone is busy, because I sure am. I am planning on flying the following: 8in Formula 200 on an Aerotech L1500 10in Polecat Bulpup on a Loki Research L1482 10in Polecat V2 (extended 4 ft) on a Loki Research L1482 10in Polecat Goblin on a KBA...

I needed to build some smaller airframes for 38mm and 29mm motors that are electronics capable. I only have 2 currently in that size and both were motor deploy only. So I ended up with a basic blues 3in kit. I didn't want cardboard because I've had it zipper so many times on me and I wanted...

Looking specifically for the 10in Bullpup and V2.

I have an AT M1419 reload that I am missing the liner for. It's a few years old and I am pretty sure the liner was lost in the move. Everything else is present. Is there an official source for replacement liners? If not, I think I can get a standard 98mm liner from ARR and cut it to length...

I have a few KBA K-750 reloads. They take a 54-2550 case, but from what I can tell it's not an Aerotech case. What case(s) are these loads built for?

So, I acquired a few rockets from Neil Brown and he threw in his Megaladon Shark Jaw rocket. Some of you might remember this beast from LDRS 2012. Well, it's been staring at me since October just begging for me to light an N3300 up it's butt, so I decided to get it ready for the MDRA Sod Farm in...

I want a second opinion here. This is the first time I am packing a rocketman chute (16') into a fruity chutes DBag. Normally, when I pack a round chute I flap fold the panels on each side and end up with a nice stack of Z-folded panels to stuff into the DBag with the shroud lines neatly...

So, I have a rocket and it's fully assembled. I need to adjust the design file for the actual weight of the rocket for simulation purposes. So, I weigh the fin can as a whole and balance to find the CG. This is due to wanted to factor in the epoxy weight and anything else that might have been...

98/10240 casing. I will take with or without the closures. Let me know what you want.

I need 3 nose cones for the following Polecat Aerospace kits: One for a 10" BullPup One for a 10" Thumper One for a 10" V2 I would order through Polecat directly but they don't pick up their phone and don't answer emails. Anyone have one they want to part with or know some secret to getting...

I am making my level 3 rocket, which is a Formula 200, and I decided to build my own thrust plate for it. It is anodized Type II hardcoat and fits the Formula 200 tube perfectly. The weight came in at 1.6lbs which is about where I expected it. That's still much lighter than if I would have...

Now I've completed the Level 2 cert, it's time to move on to my Level 3 cert. At the July launch I picked up a Formula 200 kit from the good folks at AMW. Gloria sealed the deal by throwing in an aeropack 98mm retainer for free. It will make a capable aireframe for the Level 3 attempt. Given...

I am looking for the following: 38mm Tru-Core Caps with 7/16" cores (10 vented and 10 non-vented) 54mm Tru-Core Caps with 5/8" cores (5 vented and 5 non-vented) Tru-Core or Fisher research motor hardware 38mm 2, 3, and 4 grain cases with or without forward closures or nozzles 54mm 2, 3, and 4...

Time to redo my Level 2. I did my level 2 originally back in 2007, but stopped rocketry when I moved back east in 2008 until this year. I was going to build a new rocket for my L2, but LDRS coming to my new home field of MDRA next year has pushed up my time table for everything. So, I am turning...