pressure against it is reduced...". By curving the top of an airplane’s wing‚ forming an airfoil‚ air above it has to travel farther (as the distance is greater) than the air below‚ forcing the air to move faster. The result is lower pressure on top and more pressure on the bottom. Another name for this is lift. The higher pressure below the wing is just like someone pushing from below the wing; the lower pressure above the wing is like someone pulling it up. Lift can help overcome the forces of gravity
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steamboats‚ hot air balloons‚ trains‚ and road vehcile in order to travel either across the country or around the world. What is an airplane exactly? An airplane is an aircraft but the only difference is that an airplane is heavier. It has fixed wings and is power by propellers or jets. Orville and Wilbur Wright invented the first airplane‚ they were also known as the Wright brothers. The Wright brothers invented the airplane on December 17‚ 1903. The Wright brothers made its first successful experiment
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Case Study Analysis Activity Title: Name: Date: Cause(s) of Accident The probable cause to the crash of American Airlines Flight 191 is the asymmetrical stall and the ensuing roll of the aircraft due to the un-commanded retraction of the left wing outboard leading edge slats and the loss of stall warning and slat disagreement indication systems‚ resulting from maintenance-induced damage leading to the separation of the number one engine and pylon assembly at a critical point during take-off
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and lower surface of the wing. Camber is the curvature of the mean camber line. Source: http://www.skybrary.aero/index.php/Aerofoil Effects of size of an aircraft on lift and drag are roughly the same. Lift and Drag are both aerodynamic forces hence they depend on the pressure variation around the body. Both lift and drag are directly proportional to the area of the body thus doubling the area would double lift and drag. Choosing to increase lift is down solely to the wing area because this the
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Introduction:- A helicopter is a very unique type of aircraft that uses rotating blades (wings of a airplane‚ and a helicopter must be curved from the front and gradually smooth out at the back to generate lift. This shape is called an airfoil ) to acquire lift .Unlike an airplane that is dependent on speed‚ an airplane must fly in a certain speed to move enough air over its wings to provide lift. A helicopter’s rotor also allows it to move forward ‚backward‚ upward downward‚ sideways
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body. The planes shape‚ size‚ and speed also affect the amount of drag on an aircraft. These are the factors of aerodynamics. Wings aerodynamics is shown by it’s lift to drag ratio. The lift will make at a given speed an angle and can be one to two orders of magnitude greater than the total drag on the wing. High lift to drag ratio needs a smaller thrust to push the wings through the air at with a sufficient lift. The materials used to configure the paper planes is crucial in the flightpath and
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The Airfoil & Theories of Lift Airfoil Definition: Have you noticed the curved shape of a bird ’s wing? An airplane ’s wing is curved also. A wing is designed for flight. It has a special shape called an airfoil. The airfoil shape provides a lifting force when air flows around it. Airfoil shapes can be found on wings‚ fans and propellers. Importance: An airplane’s airfoil plays a very important role in lifting the aircraft. The airfoil is designed to increase the velocity of the
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Table of Contents Aim 3 Introduction 3 Theory of Flight 3 History and Evolution of Flight The Atmosphere 5 Humidity Pressure Density Aerodynamics ……..…………………………..………………………………………………….........8-9 Lift‚ Drag‚ Thrust And Weight Airflow Across An Aerofoil 10 Conclusion 11 AIM My aim in this essay to discuss the theory of flight in physical terms with reference to the atmosphere and aerodynamic features of large passenger aircraft
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Flight is a phenomenon that has long been a part of the natural world. Birds fly not only by flapping their wings‚ but by gliding with their wings outstretched for long distances. Smoke‚ which is composed of tiny particles‚ can rise thousands of feet into the air. Both these types of flight are possible because of the principles of physical science. Likewise‚ man-made aircraft rely on these principles to overcome the force of gravity and achieve flight. Lighter-than-air craft‚ such as the hot
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crease. 4. Fold plane in half. 5. Fold down both wings so the two top corners meet the bottom edge of the plane. 6. Unfold wings so they lie horizontal when the plane is in flight. YOU’RE READY TO FLY! Smithsonian National Air and Space Museum PREPARE FOR TAKE OFF! Think your plane has the stuff to go pro? Check out these tips‚ tricks‚ and modifications and put your aircraft to the test! 1. Gently bend up the rear corners of the wings (as shown in diagram). This balances the plane in flight
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