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I am very excited to announce an exceptionally cool project that @jpoehlman and I are working on together. Some may know that I happen to have an affinity for short and fat rockets. A couple years ago I started progress toward a 1/6th scale Falcon 9. Turns out, that is very hard. At over 38ft...

I’m excited to share and document the progress and plans for one of my most ambitious projects. For over a decade I’ve been enthralled with the idea of setting an official altitude record in rocketry. I’ve watched performance titans like Curt von Delius, Adrian Adamson, and Jim Jarvis push the...

Looking to buy a secondhand and/or used Loki 54/4000 hardware set. Case, forward closure, snap rings, and retaining ring. Bonus if you have any research equipment for it such as liners, casting tubes, nozzles, etc. PM me with details. Shipping would be to 98059, or I would consider pickup...

Introduction: Nine years ago (2014), I earned my Level 3 certification on a 5x upscale Madcow Rocketry Squat. Since witnessing my first Squat fly at LDRS 29 (infamously), I've been enamored by their goofy aspect ratio. Over the last 15 years, I've built big ones, little ones, grass-covered...

Looking to try mixing my first 6inch motor this season and wanted to put feelers out for any used 6 inch motor hardware. I've got some 1/4" wall tube and some ARR casting sets that I'd like to use, but I am not really picky. If anyone has some retaining rings, forward closures, nozzles they'd be...

PM if you have a TeleDongle v3 you are willing to sell and ship to Arizona. Thanks.

Looking for the High Altitude variant of the 100mW BigRedBee GPS. I’d be happy to trade motor hardware, recovery gear, other electronics (including non-high Altitude BigRedBee GPS), or other rocket parts. PayPal offers are welcome as well.

I HIGHLY doubt Mark is still accepting bowling ball lofting record submissions to https://www.ahpra.org/BBrecord.htm but I had some fun accidentally setting a couple new records on a flight last November. I sent an email with all the requisite forms, but either Mark has a new email, or he's not...

Most NAR competition stuff doesn’t interest me, but I’ve been toying around with the idea of building a decent size scale model to try out at a Sport Scale level of competition. While a half-scale of the 7”x12ft sounds pretty reasonable, I couldn’t help staring at my pile of 7.5” body tube and...

So this is a project that I have had bouncing around in my head for a while, and now after completing another large arduino based electronics project, I think I might know enough to start making progress toward this. But before I start, I need to know a little more about what I don't know so...

M3R is an extreme project with an extreme team of students from Embry-Riddle Aeronautical University in Prescott, Arizona, trying to learn what is possible from an engineering design and with limited university resources. Let me introduce the team: Chad Reinart (chadr77) - Team Lead William...

Does anyone have any videos or pictures of launch pad failures? Particularly I am imagining some Vmax or Warp9 motors being just a little too much for the pad to handle. Thanks

Hey everyone. I am looking to buy a USED radio for tracking rockets. Everywhere I have looked is selling new radios, and well...new radios are expensive. I would love to find a Yaesu VX-8GR someone is willing to sell. But if someone has a FT1DR or Kenwood D72A they are willing to sell at a...

Hey gang, Need to sell my BRAND NEW CTI Pro75-6XL w/Closures ASAP. Yes, it is the old style with built in thrust ring. Also comes with the nice CTI clear storage tube, to keep it nice and shiny. Need to move this quick, so first PM saying they'll take it, gets it. Because of the...

Good morning everyone, Today I have a used Garmin Astro GPS Dog tracking system for sale. The kit includes: Astro 220 handheld DC™ 30 wireless transmitter collar Carrying case AC Adapter for DC 40 Wrist strap Manuals CD This unit is used. I am the second owner of this device and bought it...

Hey everyone, I'm working on a summer project with the engineering club from my school and the design work is done and now we just need to collect the parts to get started. We are looking for a used Bigredbee Beeline GPS HP 70cm hopefully with the ublox 6 module in working condition, I am...

Hey everyone, I'm working on a summer project with the engineering club from my school and the design work is done and now we just need to collect the parts to get started. We need 98mm(4") FWFG (or FWCF) in the lengths. 2 of 8" 2 of 15" 2 of 1" 2 of 60" 4 of 9" couplers We...

Maybe I am the only one wondering, but which club gets touted as the largest club in the US? I realize there are a lot of variables, and different interpretations of the word biggest. I saw on TV a show where the speaker mentioned LUNAR (Northern California) as the largest club. I'm on the...

Hey TRF. I have some things for sale I thought you guys might be interested in, these items are for sale and pickup at ROCstock. Aerotech M1297W (bought it for my L3 at last ROCstock but now the motor is to small) Two Cesaroni L851Whites. These are AWESOME 75mm 3G whites, one is brand new...

I have a slightly used parachute up for sale. 50% off retail $45.00!!! Wow!!! Thank you for looking.