![]() The geometry of the base of the bottle also tends to be different between carbonated and still water so under pressure it may distort. Bottles designed for carbonated drinks tend to be stronger than for still water. It looks like it is intended for still water rather than a carbonated drink. The 1L bottle you said you are using looks good, but make sure you test it for the intended pressure first. If I should use a fatter bottle, I can easily switch between, but I think I'm already using the optimal kind. Postscript: If this somehow helps more to know, I'm using a thinSmartwater bottle if anybody's interested. I've seen these kinds of rockets move forwards of 400ft in distance, but I definitely think 500ft+ is possible within this range if done perfectly. Pretty basic questions I just want to know what works best when these 1L rockets are launched at an angle to get the MAXIMUM distance on the X-axis. I could just be looking too much into that, however. Ideally, many of you may think I should just do a pointed nosecone whenever for less air resistance, but I feel I'm adding too much weight to the front of the rocket with duct tape that is slowing it down compared to the amount it slows down to air resistance. Additionally, I would like to know if the nosecone should be pointed or just a curve. For sake of aerodynamics, it's hypothetically stated that ellipses work the best on rockets, but they don't for smaller models due to the Reynolds number: Albeit, I still want to know if that's true for a rocket moving at a bias that is horizontal. I want to know if I should continue using parallelograms and just adjust the skewness and length to and adjust the launch angle to go significantly horizontal. I found that the best kind of rocket fins for height and control straight upward at this scale is parallelograms. However, I need help in the design of a 1-liter bottle rocket so I'm clear on some things. Hello, I am new to the community and understand this place is particularly filled with less rudimentary requests about rockets. Here are some good resources to get you started. In addition to the advice here, you should be learning on your own. OpenRocket, free model rocket simulator.Looking for a rocketry club? Look no further!Ĭheck out these resources for additional help! National ClubsĬheck out these national aerospace clubs for students! Note: Interpretation and enforcement of the above rules is wholly at the discretion of the moderator team. Posts consisting solely of crowdfunding links will be removed. Memes belong in r/rocketrymemes, not here. Think: Might my post encourage others to do things that could hurt them or break the law?Įven though you probably want to post a Cool Thing™, if it's not directly related to rockets it belongs somewhere else. If a pattern of behavior emerges about you, you may be permanently banned.Ģ: Don't promote unsafe or illegal activitiesĬase-by-case. If you get enough reports, and the mod team believes they're valid, you may be temporarily muted or banned. We have a Discord Server: Join here Rules Please include your NAR/TRA number if that is the case. Indicate if you are a student, professional, or have your certification from a rocketry association. PM a mod if you have credentials for special flair. Engineers, scientists and physicists, and everyone else welcome. Everything from the Saturn V to ion thrusters to model rockets with your family.
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