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The Helicopter

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Lowell Zimmer

on 28 April 2011

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Transcript of The Helicopter

The Helicopter Before its time By:
Lowell
Zimmer Life of Leonardo da Vinci April 15, 1452 - May 2, 1519 Italian Renaissance architect, musician, anatomist, inventor, engineer, sculptor, geometer, and painter
Leonardo is famous for his masterly paintings, such as The Last Supper (1495-1498) and Mona Lisa (1503-1506)

Designed many inventions that anticipated modern technology, although few of these designs were constructed in his lifetime Lifetime Facts Leonardo's notebooks were on four main themes; architecture, ELEMENTS OF MECHANICS, painting and human anatomy

Total records are comprised of some 13,000 pages of notes and drawings

First painting completed was the Madonna and Child painting completed in 1478

January 3, 1496 he unsuccessfully tested his first flying machine

Leonardo started in 1510 to discover the anatomy of the human body, publishing hundreds of theoretical work Now lets take a look
400 years down the road
before going further into
Leonardo Da Vinci's creations The Helicopter Timeline 1909 Ukranian engineer Igor Sikorsky (1889 - 1972) is credited with building the world's first helicopter (more than 25 years before early practical machines)

Mid-1930s The science fiction dream of a flying car reached prototype stage when the Autogyro Corporation of America, a company set up by Harold Pitcairn was established

By 1936, German inventor Professor Heinrich Focke had one of the first true helicopters, the FA-61 (built by the Focke-Achgelis company). It could fly at 75 mph for up 150 miles, and was flown by female test pilot Hanna Reitsch April 1944 - Britain was the first nation to use helicopters during wartime, when an RAF-4 rescued a pilot and three injured passengers from a plane crash in mountains of northern Burma
In 1956, American inventor Stanley Hiller Jr. built the unique Rotorcycle XROE-1 (pictured).This foldaway unit could be easily assembled in a few minutes without any special tools. America began production of the Bell UH-1, "Huey" - utility helicopter (first flown in 1956) in 1959, and this was deployed in the Vietnam War during the 1960s, as a troop transport for 'Air Cavalry' forces, and medevac duties, then later for airborne assault to protect ground troops. From the 1960’s on, hundreds of different helicopters were designed and produced by a way array of nations (most for military purposes)
World's First helicopter built in 1909 ???
15th
Century
Helicopter Bringing 15th century inventions into context for those who missed this age of time 1420 Oil
Painting 1400's - 1900's Graphite pencil 1565 Steam
turbine 1629 Fire
extinguisher 1722 Electric telegraph 1769 Cotton gin 1794 First electric light 1809 The sewing machine 1851 The first ever plane design capable of flight. Now known to be the modern day glider Elements of Mechanics 'If a man have a tent made of linen of which the apertures have all been stopped up, and it be twelve braccia across and twelve in depth, he will be able to throw himself down from any great height without suffering any injury.' One of the first of Leonardo’s helicopter designs which called for a shallow saucer-like gondola on which two upright posts were attached. By means of a rather complicated system of cords, cylinders, and foot pedals, the pilot set the wings in motion with movements of his feet, hands, and head! The wings of this craft were not of the flapping variety, but rather they moved in a horizontal plane, criss-crossing one another. Leonardo provided his helicopter with a landing gear in the form of a pair of ladders about twenty-four feet long. These were intended not only to help the take-offs but also to cushion the craft when it landed. Furthermore, unlike any other inventors, Leonardo’s vision of success lead him to see that future crashes could also possibly occur. Therefore in his notes, he included the very wise suggestion that during the helicopter’s test flight, the pilot should fly it over water. In the event of an accident, he would thus be tumbled onto the yielding surfaces and remain unharmed. With the obvious human powered helicopter unsuccesful, the determined Leonardo da Vinci stuck with his universal goal of achieving aviation and kept trying! Leonardo adressed all problematic aspects from: Mechanical Power
>
Human Power Final Decision It has been said that Leonardo was drafting his next model when he adbruptly stood up and starting swinging his ruler above his head. And that was it! He suddenly felt the small updraft of wind coming from the ruler and from then, Leonardo advised what we know see as the modern day helicopter "Helical Air Screw” 1483 Leanardo’s plan was for "compressing" the air in means to obtain lift. Similar to that of the modern helicopter.His notes implied that his models flew, but from his sketch, there was no way to deal with the torque created by the propeller.Although he had undoubtedly identified the concept of a rotary-wing aircraft, the technology needed to create a helicopter had not yet been produced in his time period. He decided on some sort of spring motor to power the helicopter most likely because the gasoline motor had not been created at this time Helicopter flight has said to be the first type of flight envisioned by man tracing back to ancient China, where children played with homemade tops of slightly twisted feathers attached to the end of a stick. 5 Centuries
Before his Time Although produced in the late 1400’s Leonardo’s sketches of his helicopters were not discovered until the 19th century Being the Genius that he was, with work in almost all profession fields, Leonardo’s studies were done merely 400 years before his time with only one though in mind, AVAITION!

Not War! Recent studies and test in which all results have been conclusive, show that Leonardo’s most recent helicopter design was fully capable of aviation. If the advanced technology and machinery had been present, imagine what else this genius could of done With aviation a consecutive interest of mine since childhood, my presentation will aim to show you how the interesting study of flight has evolved from what most of you have never seen  "Rotary Action - a Brief History of Helicopters and Selected News Reports at Rotaryaction.com." Rotary Action - Guide to Helicopters in Movies and Television at Rotaryaction.com. Pigasus Press. Web. 10 Apr. 2011. http://www.rotaryaction.com/history.html."Leonardo Da Vinci Biography." Italian Books. Web. 11 Apr. 2011. http://italian.classic-literature.co.uk/leonardo-da-vinci/leonardo-da-vinci.asp."Leonardo Da Vinci Flying Machine! The Flight of Genius!" Leonardo Da Vinci Paintings, Inventions and His Complete Biography! Web. 11 Apr. 2011. http://www.leonardo-da-vinci-biography.com/leonardo-da-vinci-flying-machine.html.Rumerman, Judy. "Early Helicopter Technology." Web. 12 Apr. 2011. http://www.centennialofflight.gov/essay/Rotary/early_helicopters/HE1.htm."The History of Helicopters." All the World's Helicopters and Rotorcraft - the Most Complete Helicopter Collection in the World. Helicopters, Autogyros, Tilt-rotors, Tilt-wings Etc. Web. 13 Apr. 2011. . Works Cited Although Leornardo has work in all fields adressing all audiences, the main theme that will be covered will fall into his study on Elements of Mechanics
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