...February 2014 Rocket History and exploring the future My prewriting strategies I used were, research, and outline. My audience are teenagers and adults. My tone for this essay is being informative. My thesis is, although man has created many things, rockets are one of the greatest creations. My purpose for this essay is to educate people on the history of rockets, and I wanted to express why it is one of the greatest creations man has created. The horse and buggy were used to discover uncharted territories and now we are using rocket to explore the uncharted parts of space. This essay discusses the history of rocket fuel, past explorers of space, and the future opportunities in space. Although man has created many things, rockets are one of the greatest creations. Rocket fuel has changed drastically over many years, the first documented rocket was by the Chinese in the fourteenth century, and its fuel was black powder (“History of rockets- Spread of Rocket Technology”). This was the start of something big. Later in history, in the year 1261, Roger Bacon perfected the formula for the rocket; instead of just using gun powder he added saltpeter, carbon, and sulfur (“History of rockets- Spread of rocket technology”). By perfecting the formula he increased performance by staggering numbers. As people continued to experiment with rocket, a man named Robert Godard, invented a rocket that ran on liquid fuel, this was a big step for rocketry, his rocket only flew 41 feet...
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...German physicist, mathematician Publications: The Rocket into Planetary Space (1923) Remembered for: One of the fathers of rocketry and astronautics, along with Tsiolkovsky and Goddard. Quotation: "To make available for life every place where life is possible. To make inhabitable all worlds as yet uninhabitable, and all life purposeful." A Closer Look: Herman Oberth grew up in the country of Romania. As a young man, Oberth got scarlet fever and was sent to Italy to recover. While there, he read Jules Verne's "From the Earth to the Moon." He became intrigued with the concept of space travel and concluded that liquid-fueled rockets could be developed. By the age of 14, Oberth envisioned what he termed a "recoil rocket" that could propel itself through space by expelling exhaust gases from its base....
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...“It is difficult to say what is impossible, for the dream of yesterday is the hope of today and the reality of tomorrow.” This phenomenal quote was stated by none other than the legendary Robert Goddard. The father of modern rockets was born on October, 5, 1882 in Worcester, MA in the United States of America and passed on August, 10, 1945 in Baltimore Maryland. Who knew that one man could influence the whole world in a single lifetime. During his lifetime he had plenty of significant accomplishments. His first significant accomplishment by 1926 Robert Goddard had successfully put together and tested the first rocket using liquid fuel. The first flight of the rocket was March, 16, 1926 at Auburn, Massachusetts. This was A triumph time...
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...How Rockets use Energy Rockets use and convert energy many times while operating. First of all, energy is the ability to do work or to organize or change matter. That energy is what moves the rocket. But first the energy starts out in the rocket fuel, as chemical potential energy. Potential energy is stored energy that is in an object due to the positioning of its parts. In model rocket engines, the fuel is made out of pressed black powder. The fuel is stored in a cartridge, which gets placed in the bottom of the rocket. Chemical potential energy changes into heat when the engine is ignited, turning the potential energy into kinetic energy which is energy in the form of motion. Heat is kinetic energy because heat is how fast atoms in an object vibrate, which is motion. When the rocket fuel ignites, it expands. When the heat is created, the fuel becomes a gas and expands out the bottom of the rocket. The force pushing down pushes the rocket in the opposite direction, up. Isaac Newton’s 3rd law of motion explains this reaction: “Every action has an equal and opposite reaction.” That means that when you push down, you will go up. When the expanding gas pushes the rocket up, the gas loses energy, and the rocket gains kinetic energy. This is because a force that changes an object's motion gives that object energy. When a rocket engine starts firing, it starts accelerating, which causes it to gain more kinetic energy. When an object’s speed increases, its kinetic energy...
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...theory and the design of rockets. In 1922, he submitted a physics dissertation while studying at the University of Heidelberg on this subject. This paper examined mathematically the possibility for a rocket to reach escape velocity and leave the Earth’s orbit. He also supported and explained the notion that rockets could be propelled in a vacuum, an idea which was contrary to most scientific opinion at the time. These pioneering ideas have formed the basis of our modern space program. His work mentioned the possible effect on an astronaut’s body of experiencing the g-forces required to escape the Earth’s gravitational pull. Finally, he discussed the further possibility of launching spacecraft into orbit, which has led to our modern widespread use of communication satellites. His original paper on rocket design, entitled “Die Rakete zu den Planetenräumen”, was controversial and was widely rejected by the scientific community at the time. His work received greater support later, and he received the “Rep-Hirsch” prize in 1929, giving him $10,000, which he used to...
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...Stage Model Rocket Flight Comparison I tested my hypothesis that a multi-stage fueled rocket would fly substantially higher than the same type of rocket loaded with single-stage fuel. I expected the engine thrust in the first stage to be expended, and the extra weight of the first fuel stage to drop away. Then weighing much less, the rocket would continue even higher with the second stage providing a new second thrust. I conducted the experiment in the following steps: Step 1: Selected, purchase and assemble the rockets and launch pad. Step 2: Conducted a functions test of the fuel cartridge igniter Step 3: Selected a safe outdoor area for the test, and ensured the area was clear of people not involved in the test. Step 4: Set up the rocket launch pad and fuel cartridge igniter in accordance with the manufacturer’s instructions. Step 5: Separately launched both rockets, and simultaneously determined the maximum apogee of each by using the rocket peak altitude measurement instrument. * The altitude measurement instrument determined the maximum angle from the observer’s position to the rocket at its peak (apogee) and the parachute ejects. * The rocket with the highest flight was measured with a higher angle. The Independent variables in this experiment were that I loaded the first rocket with a single-stage fuel cartridge...
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...March 16, 1926, he launched a modern rocket that uses liquid fuel for the first time in the world. By 1935 he developed a rocket to fly at speeds of up to 800 kilometres per hour. Also by using rocket propulsion, he explored the high altitude, even the practicality of reaching the moon. It proved that the rocket would operate in a vacuum and that it didn’t need the air to push it. In 1929 in Auburn, Massachusetts, during in rocket flight, he captured scientific water. In 1932, New Mexico, he used vanes in the rocket motor blast for guidance and developed of gyro controls for rocket flight. The United States patented to multiplexing. He developed suitable pump for rocket fuel and finally from gyroscopic mechanism, he launched a rocket in 1937. Goddard supported Newton’s third law for his contribution. In 1919, Goddard wrote a scientific paper ‘How to reach the limit’ for describing his rocket. This article was published in the...
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...Chinese produced a solid fueled rocket around 1045 AD. This rocket was then used against the Mongols during the defense of a Kai-fung-fu, a city in China, in 1232. It was a solid fuel arrow powered by gunpowder. These very early rockets probably contained black powder as the propellant (fuel). A form of gunpowder was the earliest solid rocket fuel. China, in the late second century BC provides us with the earliest recorded mention of gunpowder. Bamboo tubes, filled with saltpeter, sulphur and charcoal, were the first form of solid rocket fuel. The bamboo tubes were tossed into ceremonial fires during religious festivals. It was hoped that the noise of the explosion would frighten evil spirits....
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...军事词汇 |导弹 |missiles | |洲际导弹 |intercontinental missile | |中程导弹 |mediurn-range missile | |巡航导弹 |cruise missile | |核弹头 |nuclearwerhead | |地对地导弹 |surface to-surface missile | |地对空导弹 |surface-to-air missile | |舰对空导弹 |ship-to-air missile | |空对空导弹 |air-to-air missile | |空对地导弹 |air-to-surface missile | |反幅射导弹 |anti-radiation missile | |反舰导弹 |anti-ship missile | |反潜导弹 ...
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...(Suborbital): Virgin Galactic – Scaled Composites founded by Burt Rutan designed a unique type of spacecraft. Using a mothership aircraft, the space plane will be carried to midair and then be released to launch toward the edge of the atmosphere. Using carbon composite construction, the company has introduced two version of the space plane: SpaceShipOne and SpaceShipTwo along with two model of the mothership aircraft: WhiteKnightOne and WhiteKnightTwo. (Ref 1,3) A. Spaceship: a. SpaceshipOne – WhiteKnightOne: Scaled Composites first launched the SpaceShipOne to the suborbital in 2004 while the first of WhiteKnightOne was in 2002. Overall, the WhiteKnightOne’s features are carriage and launch of payloads up to 7,000lbs; internal fuel capacity up to 6,400lbs; altitude capability above 53,000ft; having large three-place cabin (60” diameter outside, 59” inside); sea level cabin qualified for unlimited altitude; ECS scrubs CO2 for removing humidity and defogging windows; two crew doors with dual seals and dual-pane windows; manual flight controls with three-axis electric trim; avionics including INS-GPS...
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...By: Asana Kusnadi Mid Semester Examination Table of Content 1. Background 2. Vision Statement 3. SWOT Analysis of SpaceX 4. Porter’s Five Forces Model 5. SpaceX TOWS Matrix 6. SpaceX Business Model 7. SpaceX Business Level Strategy 8. Conclusions I. Background SpaceX or Space Exploration Technologies Corporation is a space transport services company headquartered in Hawthorne, California. It was founded in 2002 by former PayPal entrepreneur and Tesla Motors CEO Elon Musk. SpaceX was founded with the goal of reducing space transportation costs and enabling the colonization of Mars. It has developed the Falcon 1 and Falcon 9 launch vehicles, both of which were designed from conception to eventually become reusable. SpaceX also developed the Dragon spacecraft, which are flown into orbit by the Falcon 9 launch vehicle, initially transporting cargo and later planned to carry humans to the International Space Station and other destinations.[1] By 2012, SpaceX had over 40 launches on its manifest representing about $4 billion in contract revenue—with many of those contracts already making progress payments to SpaceX—with both commercial and government (NASA/DOD) customers. As of December 2013, SpaceX has a total of 50 future launches under contract, two-thirds of them are for commercial customers. SpaceX's low launch prices, especially for communication satellites flying to geostationary orbit, have resulted in market pressure on...
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...involvement in WW1. A lot of the fighting went back into the trenches. This in return promoted the use of small munitions such as motors, for closer combat effectiveness. Initially, horses moved many of the smaller artillery pieces like the 3inch motors. They were able to move quicker and in tighter places than a vehicle. However, the ability to keep the horses combat effective became a challenge do to shipping them from so far away. The change from horses to jeeps became a reality. 105mm and 155mm howitzers conducted specific missions and large trucks or even tractors moved them. In 1944 the development of the rocket battalion which provided thirty-six rockets launchers. A single rocket could take out a larger area on its own. This allowed howitzers to be independent. Prior to the rockets they had to bring multiple howitzers together to take out as much real estate as one rocket. However, howitzers were more accurate. The soldiers became very proficient with the howitzers and could use them to pin point a target. One of the main reasons the United States were able to use howitzers so accurately was the implementation of the observation battalion in 1944. This allowed for more accurate target area survey. The utilization of radar allowed for better weather data. Ultimately, this allowed for higher order survey. In...
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...Science Fun: How to Make a Homemade Thermometer This project is really interesting and fun; however, it does need close adult supervision to complete it. This is a really fun addition to a homemade weather station! Project Supplies: Tap water Rubbing alcohol (do not drink this) Clear, narrow-necked plastic bottle (11-ounce water bottles work well) Food coloring Clear plastic drinking straw Modeling clay Project Directions: 1. Pour equal parts of tap water and rubbing alcohol into the bottle, filling about 1/8 to a 1/4 of the bottle. 2. Add a couple of drops of food coloring and mix. 3. Put the straw in the bottle, (DO NOT DRINK MIXTURE) but don't let the straw touch the bottom. 4. Use the modeling clay to seal the neck of the bottle, so the straw stays in place. 5. Now hold your hands on the bottle and watch what happens to the mixture in the bottle. Project Explanations: Just like any thermometer, the mixture expands when it is warmed. This makes the liquid no longer fit in the bottom of the bottle. As the alcohol expands the colored mixture moves up through the straw. If the bottle were to get very hot, the liquid would have come through the top of the straw. You can watch the thermometer and see how the liquid changes throughout the day. What happens if your thermometer is in shadow or in sunlight? What happens when it gets colder? How does wind affect the thermometer? In order to accurately read the temperature, you will need to buy...
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...would not if there was no power. Power has enormous impact in our regular life and is going to change the future particularly with regards to transportation. The principle thought of eventual fate of transportation is to decrease discharges and the measure of individuals in individual vehicles. A noteworthy concern is the utilization of our fossil fills, and the harming gasses that are discharged amid the burning of these powers in our vehicles. Analysts for a considerable length of time have been thinking of thoughts to diminish the carbon foot shaped impressions of these things. Vitality specialists and students of history of vitality concur that as social orders advance, they require more thought, serious types of vitality, similar to rocket fuel rather than gas. Transportation will be minus impurity and flexible. Of the few uniting patterns for getting around, ultra capacitors are being produced for electric autos to totally supplant batteries. They have lighter weight and ten times the vitality thickness of lead-corrosive batteries. Later on vitality portfolio, another astonishing improvement is the changeless magnet fueled engines, which are a developing pattern bound to come to...
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...Module 6 – Written Assignment – Analysis of a Specific Medical Advancement – Jeffrey Fischbein – 2/11/14 Rocket-Powered Prosthetic Arm We have all heard the cliché “you don’t appreciate what you have until it’s gone”. For some it can be a materialistic thing as a car or a cellphone. Others are boyfriends or girlfriends that recently broken up. But for some, it can be something much more than that. Something that is more personal to them. To others it can be a limb that was lost from war, an accident, and diseases such as diabetes. We can only imagine on how hard life can be without the use of our hands. Unfortunately it is a brutal reality to others who do live day by day with only one or no arms at all. Prosthetic arms have very limited actions as some don’t bend with just a hook at the end of it. Some of the other more advanced prosthetic arms only bend and move from two places, the elbow and the wrist. With today’s technology increasingly advancing, and with the help of a university professor, the six million dollar man with robotic limbs is not too far from becoming a reality. Professor Michael Goldfarb from University Vanderbilt and his team have developed what looks to be the beginning of new prosthetic arms to be human like and very functional. “The prototype can lift (curl) about 20 to 25 pounds – three to four times more than current commercial arms – and can do so three to four times faster. "That means it has about 10 times as much power as other arms despite...
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