bottle rocket report

Topics: Rocket, Model rocket, Aerodynamics Pages: 3 (930 words) Published: November 1, 2014
Challenge

To design and build a pop bottle rocket to fly as far as possible.

Research

Pop bottle rockets are used for the study of aeronautics all over north america.Water rockets are used in schools to help students understand the principles of aeronautics. The Science provides challenges of bottle rocket design and flight, including altitudes and distances reached. A model rocket has four components of flight to it aerodynamics, weight, thrust, lift and drag. Water rockets have been a source of entertainment and education for many years. They are usually made with an empty two-litter plastic soda bottle by adding water and pressurizing it with air for launching. before the launch the bottle is filled with some amount of water, which acts as a propellent for the launch and thrust for the rocket. Since water is about 100 times heavier than air, the expelled water produces more thrust than compressed air alone. the pressure in the body is equal to the pressure produced by the pump. the fins are attached to the body increase stability(best if the fins are near the bottom). To many or non-aerodynamic fins can create a lot of drag and really hold back your rocket from flying at its maximum distance. Also weight in the nose cone helps to keep the rocket in a straight path to its destination, instead of flying to high in the air or not going in its straight course of flight.

Design

At first my designs were to get as much to and aero or a real rocket as possible. But after researching i thought of more aerodynamic looks to my rocket to help it fly in a straighter path with as least drag as possible. My optimal solution was to build a rocket that looked like a rocket but was as aerodynamic and had the least drag as possible. I chose this solution because I knew that my rocket had to be as aerodynamic as possible, also that it had to create the least drag as possible, and the most lift. I wanted my rocket to be like a real rocket because i...
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