a bicycle cannot have a gear chain ratio that is oriented both for speed and strength at the same time. There is this effect in theory and in the real world that prevents us from doing everything at maximum potential. Note that decreasing your rocket's weight to almost zero would decrease it's performance- there is an ideal mass to volume ratio that enables best performance. Mass- the lighter the rocket, the higher it goes. Stability- the rocket's Cp must be behind it's Cg- this will make the rocket stable and therefore increase maximum altitude.Ĥ. Thrust- the more power the rocket produces, the higher it will go. Drag- the more drag on a rocket, the lower it's apogee. Key points to remember during design and construction (there may be more):ġ. Here are a few basic terms I'll be using:Īpogee- highest point on the parabola described by the rocket's flight, or, in other words, the point at which the rocket is farthest from the ground,Įverything else is relatively self-explanatory. Now, this is rocket science, but that doesn't mean it's that difficult. I do present a project build, but I encourage you to alter the design and functionality as you see fit.įinally, if you like it, please vote for it in any contest it may be in! Thanks! I am trying to help you start thinking and designing water rockets on your own, using your own ideas. Please keep in mind: My goal here is not to show you how to build one project. If you're just looking for a step-by-step project, I've got that as well.īy the way, this is my first instructable, so if you feel that something's not done right, feel free to add a comment. If you want to design your own rocket, I'll help you plan and design. The best part is that most of the things required are either cheap or things you can find at home. Here, I'll show you the basics of building the next-level water rocket that can be the basis for many interesting projects. You've probably taped on some fins, a paper nosecone, and presto! You launch a "rocket" that is loads of fun- and watched it fall down from the sky. You've all probably had a chance to do that classic high-school experiment: pop bottle rockets.
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