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MSA Prez

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John Eric von Rosen

on 21 March 2013

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Transcript of MSA Prez

Sir George Cayley
(1773-1857) Abbas Ibn Firnas Leonardo da Vinci Francesco Lana de Terzi (1631-1687) Hot-air Passarola of Bartolomeu
Lourenço de Gusmão (1685–1724). Sir George Cayley (1773-1857) is called the “Father of Aerial Navigation.” He created the first fixed wing flying machines (airplanes) and the first glider. The earliest written account of kite
flying was about 200 B.C. Aerodynamics of planes and gliders:
How do Gliders Stay in the Air? Origins of Flight How the shape of an airplane improves flight. pitch, yaw, roll
higher ratio between Lift-to-Drag up to 60:1
longer wings
tail control horizontal stabilization
wings are mostly slightly angled upwards to control the roll stability What is aerodynamics? How can one improve on this? optimal ratio -> reduce drag!!
less turbulent flight
lots of designs focusing on conditions
adaptive wing seen in nature What is the difference between
Aerodynamics and Aeronautics? Aerodynamics: The science of airflow and motion of solid objects through the air.
Aeronautics: The science and art of flight through the atmosphere. Ancient Egypt Dictionary definition: AERODYNAMICS plural of aer-o-dy-nam-ics (noun)
The science of air flow, particularly the study of the motion of solid bodies through air, and their control and stability. Resources: New WebsterDictionary and Thesaurus of the english language
http://3.bp.blogspot.com/-V963zkUnkJQ/T72cirdngrI/AAAAAAAAAT8/PJnqwIV8j1s/s320/Abbas+Ibn+Firnas.jpg Lift Drag Weight Thrust The Four Forces of Flight acts perpendicular to wind/line of flight.
(reaction to an airflow) acts parallel to the relative wind.
(aerodynamic friction) acts in the direction of gravity.
(gravity) acts parallel to the center line of the fuselage(middle body).
(not found on gliders) Versus Aerodynamics Aeronautics  Lift
Weight navigation of the air motion of air space lighter than air solid object prediction of
forces aircraft( aviation vehicles) includes Newton's laws of motion viscosity, pressure, density, and temperature heavier than air more mathematical (prediction) more physical movement of solid object through gases either "push down" a lot of air at a time like or a glider would due to its long wings or do this really quickly like a helicopter would. Viable is improvement of design to have less fuel consumption by 10%, but doubling the efficiency is almost impossible these days, because the current state of technology has advanced this far already. Otto Lilienthal Wright brothers History of Flying and Gliding Aerodynamics Flying is learning how to throw yourself at the ground and miss.
- Adams, Douglas
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