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I just received a notification on the go fund me page for Mark Hays' wife Marian, apparently Marian passed away this morning after battling cancer. Mark, Marian was far too young, my deepest condolences to you and your family.

For you diehard 9v battery fans, here is what I thought was a decent review of the top two 9v batteries.

If you have any Vmax reloads, that you want to offload, please PM me.

Not rocketry related but it came up as I was looking at rocket videos on YouTube...very interesting

Yeah I know this is a HUGE long-shot, but. I am looking for an O8000, that is in the US already.

I am helping design a Rocketry event shirt, and for inspiration, I thought I would look at my collection of shirts. Then I thought this might also help to inspire anyone who is helping design their club event shirts. So why not ask the community to post pics of shirts they have collected over...

This thread is intended to be a general thread to gather data to get a better understanding of what adhesives work best with what filaments. Specifically, I would like to know if anyone has any experience with Prusament PETG and FW/FG tubes. What adhesives have you used, what works, and what...

I am looking for an 8" 5:1 Ogive Nosecone. I see Madcow sells them for $190, plus shipping. However, in the off-chance that someone has one sitting around, and is not planning on using it, let's talk.

I am looking for a CTI 54mm 1G case. Used or new, must be in good condition. I am in no hurry; I am done launching for the season. This is just a case that I need for a reload I have in stock but won't get fired until May 2020.

I am interested to see or read about what everyone else is doing or thinking of doing for the 50th anniversary of the moon landing? I picked up and assembled the new Lego "NASA Apollo 11 Lunar Lander" Kit# 10266 https://shop.lego.com/en-US/product/NASA-Apollo-11-Lunar-Lander-10266 I was...

Have you ever had issues juggling the nosecone in one hand while needing two hands to arm your JLCR on the pad? I have several rockets with nosecone AV bays, and I use a hanging deployment charge for apogee, with main deployed using a JLCR. I usually ask someone if they can hold the nosecone...

I am just assembling an Aerotech K1103X motor, and the instructions do not deal with a plugged forward closure. Do I assemble it as per the instructions, treating the delay grain like a smoke grain, no drill out for time adjusting and obviously leave out the BP? If so, what about the forward...

Great video if you want to understand some of the finer issues that heat beds are prone to.

I thought we had a thread o this subject, but I could not find it. If so, please feel free to consolidate this post to the original thread. I just wanted to say that Prusa is getting close to releasing a new PresauSliver package and it is an improvement. I am running the RC2 version, and it...

3DXTECH CarbonX™ Carbon Fiber PETG Preparation: No bed prepping required except ensuring that your bed is free of grease from your hands. Bed Surface: I printed without any issue on both the stock Prusa MK3 flex sheet and the after-market tthheekkiinngg V3 textured flex sheet. Temps: Bed 1st...

Has anyone tried one of the new E3D Nozzle Xs? I have one on order to try and when I have used it for a bit I will post a review.

I have been seeing replacement anodized aluminium parts for the Prusa MK3 printer stock PETG parts online, but the price is typically a bit steep and I couldn't find any reviews. A couple weeks ago I found some Y axis parts at a reasonable price and thought I would take a chance. They arrived...

Here is a website (https://flightclub.io/)that Tim the everyday Astronaut mentioned in his recent video "What keeps everyone safe when rockets fail? Why did the failed Falcon 9 rocket land in the ocean?"

I am looking to expand my carbon fiber experience with prepreg and or post curing of composite components and sub assemblies. Specifically I am looking to try rolling tubes, creating plate, and creating fincan assemblies. However as some of you know this requires an oven that can be reasonably...

Can you tune a quadrifilar helix antenna for a frequency range vs. a specific frequency? There are a lot of documents as well as calculators for designing and tuning these home made antennas to a specific frequency. However as you know, sometimes we have to change frequencies on the field...