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I was wondering if anybody could give me some advice on US Composite's epoxy for my Wildman Punisher 3 build. Mainly, I just want to know which resin and hardener I should get for fin fillets. The medium hardener seems to be the one recommended by US Composites, but then should I use the thick...

I was wondering if anyone could give me any advice on this. I've been flying a LOC/Precision IV for a bit now and I love the rocket. However, I think I'm ready to move on to my level 2 certification, but I also don't want to spend $300 on a kit. Right now I am planning on copying the LOC IV kit...

Welcome to my ambitious build! A little backstory: My name is Caden, I'm 18 years old and this is my first year in HPR. I've recently completed my level 2 certification and ever since I've been anxious to move onto something bigger and better (I know I'm another hot shot young guy). Below are...

I'm currently building a high performance 38mm, 56" tall rocket. This project will be my first time fiber glassing an air frame and fiber glassing fins tip to tip. I'm using Public Missiles phenolic tubes for the body. So how many times should I wrap the body with 3oz or 10oz fiberglass weave if...

I am currently in the middle of designing a rocket in OpenRocket that uses duel deployment. I was thinking about maybe using a streamer instead of a drogue chute. However, it seems to be acting weird when I put the streamer in. For example, if I don't put any recovery devices in the rocket at...