Development of a Flapping Wing Mechanism Semester Project Autonomous Systems Lab (ASL) Swiss Federal Institute of Technology (ETH) Zurich Supervision Dr. Samir Bouabdallah‚ Stefan Leutenegger and Prof. Dr. Roland Siegwart Spring Semester 2009 Contents Abstract Acknowledgements 1 Introduction 2 Review 2.1 Aerodynamics of flapping wings . 2.1.1 Wagner Effect . . . . . . . 2.1.2 Leading edge vortex . . . 2.1.3 Clap and fling mechanism 2.1.4 Rotational lift . . . . . . . 2.1.5 Wing-wake interactions
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Ogden Nash’s poem‚ "I do‚ I will‚ I have" is about the formal union of a man and a women. It’s usually recognized by the law in which they become husband and wife. In other words‚ it’s a poem about a marriage. He’s describing the way a marriage works. I think many people could agree or disagree with his views‚ however‚ he outlines the basics to a marriage. Without describing his poem line from line‚ the overall purpose of this poem is to point out that marriages are always different. Typically
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stops having kids‚ our population growth would drop and they may go as far to say it would devastate the US’s population or the human race. While looking for information that would refute my evidence‚ I found a post written by the founder of VICE‚ who in 2008 left to join the “right wing.” This post consisted of the top ten reasons why one’s decision of not having kids is stupid. In this he writes things like how only one extra kid one has isn’t going to contribute to global warming‚ kids aren’t expensive
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Letting Kids be Kids Parents should let their kids be who they really are. Not worry about apperences‚ hair style‚ clothing. I believe kids should be who they want to be and not what they see everyone else doing‚ because it’s cool‚ or because popular kids are doing it. I am a very strong believer in letting kids dress and do what they want to their own bodies. Well to a point. I believe that if a young females wants to shave their heads‚ and they have wanted to do so for a while‚ their parent or
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sports have many deficits. They have caused countless injuries over the year‚ and quite a few deaths as well. The most dangerous perhaps is wing suiting. This is the sad story of Geoffery Robson‚ a renowned mathematician who happened to love wing-suiting. Why would people willingly put themselves in harms way just for a little "fun"? There are many reasons not to‚ but I really do not understand why it is such a rush. On one hand‚ the "Comfort Zone" is one of the biggest players in this dangerous activity
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Films‚ with whom‚ he was in A Dog’s Life‚ The Kid‚ and Shoulder Arms. By the end of 1918 Chaplin had his own studio in Hollywood. Chaplin left National Films in 1923‚ and he and three other entertainers founded the United Artists Corporation. During this time Chaplin also produced‚ directed‚ and starred in The Pilgrim‚ A Woman in Paris‚ The Circus‚ and The Gold Rush. Chaplin also composed background music for most of his films. Charlie Chaplin had a great impact on the twentieth century and movies
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after the mauling‚ which tore a chunk out of her nose. And the 13-year-old‚ who had raised Fidden since he was nine days old‚ is still mystified why her 13-month-old pet suddenly attacked her. Recovery: Iona Manson spent three days in hospital after the attack‚ the 13-year-old is now wary of stranger’s dogs Attacked: Iona Manson‚ 13‚ needed more than 50 stitches after was mauled by her pet Fidden‚ who she had raised from a puppy Remarkably plastic surgeons managed to piece together Iona’s face
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Over the centuries‚ people have tried to manipulate and harness the power of numbers‚ hoping that somehow this will enable them to understand and explain the mysteries behind both the human psyche‚ and the path each individual is destined to follow in life. It is because of this that numbers make an appearance in many of the esoteric arts of divination‚ in particular those of astrology due to the central role they play in the calculations regarding date and time of birth. Numbers are used in an
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class. What were the grade levels? The location in which I chose to do an observation is called Renaissance Academy North located in Millington TN. This is an alternative high school and middle school where students go who are serving long term suspensions. This is the school’s second year in operation. Faculty members have stated that the number of students attending is rapidly rising. Being that Shelby County has only had one Alternative School to service the entire county‚ located at
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Z-Wing CRM Design Laura Facino CIS/568 March 4‚ 2013 Dr. Gayle Grant Z-Wing CRM Design Z-Wing is a $60 billion dollar company which commands 50% of the airline business with three types of commercial airplanes which offer an internet/intranet service. With ten service centers around the world‚ Z-Wing is a powerful international force and Chairman Aaron Weiss would like to remain the majority presence over competition Janssen. In order to stay ahead‚ it has been determined that Z-Wing needs
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