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Space Propulsion RESEARCH III LARRY PECAN FINAL REPORT 9-27-98 INTRODUCTION The following is a research project on Space Vehicle Propulsion It shall consist of four sections each discussing specific topics Section One lays out the basic ideas of rocketry Section Two compares Rocket Propulsion Systems and shows the basis for the comparison It also shows how each specific Rocket System works and Section Three gives a description of how Space Propulsion has evolved and contains a conclusion SECTION 1 The Basics Section One is a brief description of the basic properties of Rocket Systems It defines the key terms and shows how a basic rocket works It also shows the State if The Art I have chosen to do my project on space vehicle propulsion Basically this means that my research shall be based primarily on rocketry Rocketry is a way of propulsion that has developed in numerous ways since it was first used to propel fireworks in the 16th century It has emerged into an extremely complicated science that few actually understand Most space rocketry in America is used in NASA National Aeronautics and Space Association space projects NASA a government association that focuses on space exploration is the main user of rocket technology It is used mostly to power their satellites and shuttles into space Pushing an object that weighs as much as a space shuttle does directly vertical until escaping the Earths atmosphere requires a tremendous amount of power This is why NASA uses rockets Rockets are essentially the most powerful forms of propulsion there is today Space Vehicle Propulsion is based rocket engines The basic principle of rocket engine is that when fuel is burned in the engine the reaction mass is expelled at high speeds As a result of Newtons law of action and reaction this pushes the vehicle in the opposite direction of the one in which the reaction mass is moving Thrust is
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