One day, my father came back from a business trip and brought a gift to the Wright brothers: a flying butterfly. Father gently pushed the toy and the little thing flew in the air. The two brothers were very happy, but they thought it didn't fly far enough, so they made several bigger ones by imitating toys. Some of these imitations can fly over trees and some can fly tens of meters away, but one of the two brothers' large imitations failed. But this did not make them sad, but aroused the idea of making planes for the two brothers.
1894, the Wright brothers opened a bicycle shop in Dayton. Because of their hard work, good craftsmanship and reasonable price, the business of the store is booming. The innovative Wright brothers will certainly not be satisfied with this. They didn't want to deal with these bicycle parts all their lives, so they decided to start realizing their childhood dreams.
The Wright brothers' idea of making airplanes was appreciated by the Smithsonian Institution. The vice principal wrote an enthusiastic letter and sent many reference books. The two brothers were greatly encouraged. As soon as they have time, they plunge into the pile of books and eagerly read the basic knowledge of aviation. Soon, they have the ability to make airplanes.
1900 On June 5438+00, their first glider made a test flight. However, the results of the test flight were not satisfactory, and the plane was barely able to take off, which was very unstable. What's the problem? After careful analysis, it is known that there are theoretical errors in the data they used before. So, they built a wind tunnel, corrected the data through experiments and designed the plane.
This wind tunnel is just a 6-foot-long wooden box with a width of 12 inch on each side. At one end of the box, the blower blows air at a certain speed. Compared with the modern high-speed wind tunnel, it is really simple, but it is this small auxiliary tool that has helped the brothers a lot, and they have drawn many new conclusions through it. According to it, the third glider designed by the two brothers is successful, and it can fly safely and smoothly in strong winds and breezes.
After all, the flying time of gliders is limited, but if the plane has power and enough fuel, it can fly, take off and land freely. As a result, the two brothers started the research and development of power planes.
The Wright brothers worked hard, and soon they designed an efficient engine and efficient propeller, and then successfully assembled all the parts into the world's first powered plane.
You can modify the merger to about 200 words.
The story of the Wright brothers wilbur wright was born in 1867, 16 April, and his younger brother Orville Wright was born in 187 19 August. They have been interested in mechanical assembly and flying since childhood, and engaged in bicycle repair and manufacturing. The Wright brothers used to repair bicycles for a living. They are smart and eager to learn. They have been keen on flight research since 1896. Through many studies and experiments, they quickly came to the conclusion that in order to solve the unresolved key problem of aircraft control, some mechanical devices that can make aerodynamics work must be installed. According to this idea, they carried out many manned glider experiments over the Kitty Hawk sand dune, and their dream finally came true.
The news that Otto Lilienthal successfully tested the glider made them determined to fly. 1896 the crash of Lilienthal's test flight prompted them to focus on the balance control of the aircraft. They especially studied the flight of birds and studied almost all the aviation theory books at that time. During this period, the aviation industry suffered many setbacks, such as the crash of Pierre, a flight technician, the failure of Ma Keqin, the inventor of heavy machine guns, and the crash of Langley, an aviation scientist, which made most people think that it was impossible for an airplane to fly by its own power.
The Wright brothers didn't give up their efforts. During the period from 1900 to 1902, they not only conducted more than 1000 gliding flight tests, but also made more than 200 different kinds of wings and conducted thousands of wind tunnel experiments, which corrected some wrong flight data of Lilienthal and designed the cross-sectional shape of wings with greater lift. After all, the flying time of gliders is limited, but if the plane has power and enough fuel, it can fly, take off and land freely. As a result, the two brothers started the research and development of power planes. The Wright brothers worked hard, and soon they designed an engine with excellent efficiency and a propeller with high efficiency, and then successfully assembled all the parts into the world's first powered plane. 1903, they built the first manned aircraft "Voyager" 1. This plane has a wingspan of13.2m, with the elevator in front and the rudder behind. Two pairs of Shuang Ye propulsion propellers are driven by chains, and the landing gear is skid-mounted, equipped with a four-cylinder engine, weighing 70kg and having a power of 8.8kW This famous aircraft in aviation history is now displayed in the Air and Space Museum in Washington, USA.
Voyager is an ordinary biplane. Its two propellers are installed on both sides of the driver's position and driven by a single engine chain. 1904, the Wright brothers built a second "flying machine" with a new engine and made a test flight in Hoffman grassland near Dayton. The longest continuous flight time is more than 5 minutes, and the flight distance reaches 4 .4 kilometers. 1905, the third "Flyer" test flight, piloted by Wilbur, flew for 38 minutes and 38.6 kilometers. On the day of the first test flight, it was freezing and windy. At first, my brother Orville Wright flew the trapeze plane, keeping it blank for 12 seconds and flying 36.5 meters. On the same day, the plane flew three times, the best of which was my brother wilbur wright. He flew the plane 260 meters in the air.
1903 12 14 to 17, Voyager 1 made the fourth test flight on a sand dune of Kitty Hawk in North Carolina, USA. The first test flight was driven by Orville Wright, * * * flew 36 meters, leaving 12 seconds blank. The fourth time, driven by wilbur wright, * * * flew 260 meters and left it blank for 59 seconds. 1906, their plane was patented in the United States.
The success of the Wright brothers' flight did not get the attention and recognition of the United States and the public at first, and it was still suspected until 1907; On the contrary, it was France that gave them a correct evaluation of their achievements for the first time in 1908, which set off an aviation craze sweeping the world. So they finally won the honorary award of the US Congress with 1909. In the same year, they established Wright Aircraft Company. Wilbur wright died on May 29th, 2002 at the age of 45. Since then, Orville Wright has struggled for 30 years, making Wright Aircraft Company a world-famous aircraft manufacturer with a capital as high as10 billion US dollars. Orville Wright died on1948 65438+1October 3rd.
The Wright brothers liked drawing, designing and making toys since childhood. One Christmas, my father gave them a toy that could only fly in the air. The two brothers were so excited that they came up with the idea of flying people to the sky.
When the Wright brothers grew up, they ran a bicycle repair shop and continued to explore and study airplanes. One day, they learned that a German glider expert (Li Lindal) died in a glider accident, which touched them very much. The two brothers are determined to develop an airplane that can take people safely into the air.
As soon as the Wright brothers were free, they watched birds fly, and soon they made the first glider. But during the test flight, the glider landed only one meter high. They summed up the reasons for the failure and tried to install the engine of the car on the glider. This time, although the glider could fly a little farther, it fell down because the engine was too heavy.
The two brothers constantly improved their propellers and engines. An engineer helped them design a high-power and light-weight engine, which solved the power problem of flight. 1903, my brother piloted a "flight". After flying in the air for 12 seconds, the plane landed safely and the two brothers embraced excitedly. They turned the first page in the history of human flight.
The two brothers continued to study. 1908, the plane they developed flew for 2 hours and 20 minutes. The Wright brothers finally realized the dream of human beings flying into the blue sky.
About the story of the invention of dragonflies, about 200 words. Scientists invented the helicopter based on dragonflies. Scientists modified the wings of the plane according to dragonflies.
The father of the Wright brothers, the inventor of the plane, admired the birds flying in the sky when he was a child and learned to fly like a bird. Their father didn't laugh at or stop them, but fully understood the children's precious curiosity and bold ideas and learned to fly with them. He solemnly encouraged the children to say that as long as you work hard, I believe you will fly when you grow up! The Wright brothers later invented the airplane for many reasons, but I think it was their father's understanding, appreciation, respect and encouragement that sowed the seeds of success for the two brothers.
Speech by the Wright brothers The Wright brothers gave a short speech on the stage: "As far as I know, only parrots can talk among birds, but parrots can't fly high."
This concise speech accurately pointed out that a person who only talks and does not do will not achieve much.
If the wonderful and rational speech articles are classified as essays, we should not forget the wonderful speech of the Wright brothers with only 23 words. After the Wright brothers successfully flew the world's first plane into the blue sky in 1903, at a welcome reception, everyone unanimously asked the Wright brothers to give a speech. However, my brother took the stage and made a short speech: "As far as I know, only parrots can talk, but parrots can't fly high." This concise speech accurately expounded the argument that only human beings can be masters of nature.
The Wright brothers are the sons of American Bishop Milton Wright. Their childhood life is as ordinary as other American children. I played truant occasionally when I was at school. Wilbur likes skating, while Orville is keen on collecting old metal and things like that. Both brothers are very clever, but Wilbur prefers reading, and he also takes Greek and math courses. Orville was naughty at school, caused a lot of trouble, and was expelled as a result. Both of them have received higher education, but neither of them has a college degree. Wilbur and Orville are very talented in machinery. They are both interested in flying. One day in the late 1970s, my father gave two brothers a gift that they could throw into the air and jump to the ceiling. This gift aroused the Wright brothers' great interest in flying and inspired their dream: flying in the sky like birds. Mother Susan Wright is smart and capable, and she can do everything, even her son's sleigh. The practical ability of the Wright brothers was deeply influenced by her. They started by making paper planes and learned to fly with gliders (without engines). They tried 1000 times. They kept practicing, groping and seeking the help of experts, and finally successfully stayed in the air for three and a half minutes on 1903, 12 and 14. Later, they made persistent efforts to improve their technology and developed the world's first plane.
The Wright brothers refer to Orville (1871August19-19481October 30) and Welber (1867 April/kloc-). It is generally believed that they completed their first flight in February of 1903 and 17, with complete control, external power on board, heavier than air, and long stay in the air, so they attributed the achievement of inventing the world's first practical aircraft to them.
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