Starting from 1900, the Wright brothers made a glider with curled wings and flowing rudder in two years, and conducted three gliding experiments successively, measuring wind direction and airflow, recording data, uncovering flight mysteries including sharp turns, inclined taxiing in the air and turning, and repeatedly improving the shape and structure of wings and rudder.
1903, 12, 17 in the early morning, the Wright brothers flew for the fourth time. On the first test flight, the plane flew 37 meters in the air at a speed of 48 kilometers per hour, and the time was 12 seconds. The best time lasted 59 seconds and advanced 260 meters. However, this flight has become a milestone, marking the successful realization of sustained, dynamic and operable flight. The dream of flying in the blue sky has come true.
I want to study hard, learn my true skills, and learn the tenacious spirit of the Wright brothers who are good at observation and are not afraid of difficulties. When I grow up, I will be an inventor and make some contributions to mankind.
2. Write a composition about the invention of airplanes. Man has always dreamed of flying in the sky like a bird. It is planes that help human beings realize their dream of flying. They fly higher, faster and farther than birds.
Starting from 1900, the Wright brothers made a glider with curled wings and flowing rudder in two years, and conducted three gliding experiments successively, measuring wind direction and airflow, recording data, uncovering flight mysteries including sharp turns, inclined taxiing in the air and turning, and repeatedly improving the shape and structure of wings and rudder. 1903, 12, 17 in the early morning, the Wright brothers flew for the fourth time. On the first test flight, the plane flew 37 meters in the air at a speed of 48 kilometers per hour, and the time was 12 seconds. The best time lasted 59 seconds and advanced 260 meters.
However, this flight has become a milestone, marking the successful realization of sustained, dynamic and operable flight. The dream of flying in the blue sky has come true.
I want to study hard, learn my true skills, and learn the tenacious spirit of the Wright brothers who are good at observation and are not afraid of difficulties. When I grow up, I will be an inventor and make some contributions to mankind.
3. Composition, the plane I want to invent is 400-450 words. The main characteristics of the plane I want to invent are magic and safety! In the future, many special stealth robots and super navigators will be installed on the fuselage, and people can fly planes remotely through advanced equipment such as global satellite system and radar. When the plane breaks down in flight, the stealth robot will immediately repair the plane's failure and let the plane continue to fly safely.
And the plane I want to invent is green. Today's aircraft must rely on special fuel to start. If the plane is short of fuel in the air, it is a troublesome thing, which may lead to the destruction of the plane and the death of people.
Future aircraft will no longer use special fuel and install efficient solar cells and wind energy storage on the aircraft. During the day, solar cells are used to drive the aircraft to fly, and the wind energy storage stores the compressed wind energy generated during the flight of the aircraft for the aircraft to start at night.
This kind of plane no longer has to worry about "oil" and environmental pollution! However, this is at least an illusion. If I want to invent this kind of plane, I must study hard and become a scientist in the future to realize it.
Schools in Little Inventors will take part in the annual airplane model competition in this city. Xiao Gang and Xiao Ming signed up actively.
Xiaoming is a yellow plane and Xiaogang is a white plane. They were named "Bai Niao" and "Yellow Lion".
On a sunny morning, each of them took a model plane for a test flight. At first, Bai Niao's test flight was a success. Xiao Gang was dancing with joy there, and Xiao Ming said confidently, "My yellow lion must be good!" " But the test flight of "Yellow Lion" failed. "Xiao Ming, be a man, don't be discouraged!" Xiaogang encouraged him to say. Xiao Ming thought to himself: Do you want to reinstall the plane? Xiao Gang said, "Should you modify your plane?" "We want to go together." Xiao Ming said. So Xiao Ming modified it. The original wings were heavy and light, so they fell off. The two of them were busy for a long time before they changed their wings to the same weight. The second test flight was successful! Xiao Gang is really happy for Xiao Ming!
Xiao Gang and Xiao Ming both won the first prize when they participated in the city model airplane competition.
5. How to write the enlightenment of dragonfly in the composition "I invented the plane from dragonfly":
Dragonflies can generate local unstable airflow different from the surrounding atmosphere through the vibration of their wings, and use the vortex generated by the airflow to make themselves rise. Dragonflies can soar under a small thrust, not only forward, but also backward and left and right. The forward flight speed can reach 72 km/h. In addition, the flight behavior of dragonflies is simple, and only two pairs of wings keep flapping. Scientists have developed a helicopter based on this structure. When an airplane flies at high speed, it often causes violent vibration, and sometimes even breaks its wings, causing the airplane to crash. Dragonflies are safe when flying at high speed, so people follow the example of dragonflies and add counterweights to the wings of aircraft to solve the thorny problem of vibration caused by high-speed flight.
In order to study the aerodynamics of gliding flight and collision, as well as its flight efficiency, a mobile wing (wing) model driven by four blades and remotely controlled horizontally was developed, and the flight parameters were tested in the wind tunnel for the first time.
The second model tries to install a wing flying at a faster frequency, reaching the speed of 18 vibrations per second. This model is characterized by a device that can variably adjust the phase difference between the front and rear wings.
The central and long-term goal of this research is to study the performance of aircraft driven by "wing" and compare it with the efficiency of aircraft driven by traditional propeller.
6. The invention of the airplane Composition 400 words The invention of the airplane
After several years of painstaking research and development, a multi-functional aircraft was finally designed in 2028. As soon as it appeared at the exhibition, it immediately attracted many eyeballs and was praised by everyone.
The average speed of an airplane is close to the speed of light, it can circle the earth in a few seconds, and it can stop over a certain place like a helicopter. Of course, it can also be adjusted to the same speed as an ordinary plane. To enter the door of the plane, you need to enter a password, and the door is also equipped with a monitoring device, which can identify strangers, even if it is a tiny gap. When you get on the plane, a relaxing concert will be played immediately. There is a temperature adjusting device at the door, which can adjust the temperature in the plane. The computer on the console can go anywhere. According to the distance, it will arrive soon. Across the corridor, the first room is the kitchen. Don't worry if you can't cook. There are many recipes stored in the computer, so you can teach people how to cook by hand. Go on, the second room is the bathroom. The host can book the bath time in advance, and then the computer will heat the hot water and prepare for the bath. The third room is the bedroom. There is a button on the bedside that says "Rest". After being pressed, the plane will switch to the automatic driving state, and all the doors and windows will be closed, leaving only a faint light. Warehouse is invisible, which is divided into food warehouse, daily necessities warehouse, book warehouse, oxygen warehouse and so on. As long as you give instructions to the computer, you can take things out, put them back or get fresh air. The power of the whole plane comes from a small energy gathering board at the top of the plane. It is very powerful, absorbing the heat or light energy of the sun and other stars and converting it into the continuous power of the aircraft through the energy converter. The most important feature of an airplane is that it can overcome gravity if it goes to another planet. People can stay comfortably inside, just like staying in their own homes on earth.
I believe that as long as we study hard now and rely on our own wisdom when we grow up, this kind of plane will be born ahead of time.
7. I want to invent a spaceship composition. With the development of science and technology, we humans can fly into space by rocket. However, due to the limitation of science and technology, astronauts can only stay in space for a few days, and they all live in a narrow space. Therefore, I want to invent a spaceship.
The spaceship I want to invent is different from our current spaceship. It is bread-shaped, with a bumper made of high-grade metal in front. There are two floors inside. There is a cab and canteen on the first floor, and a infirmary, dormitory, sports room and game hall on the second floor. It weighs 30 tons and is supported by three small wheels.
Some people may say that this is impossible, because this 30-ton spacecraft needs three small wheels to support it. In fact, this spaceship is not supported by these three small wheels at all, because there is a levitator behind it, and these three small wheels are only used for decoration. However, they are useless if they are not wheels in the universe. In the universe, these three small wheels play the role of flying cars, because if they fly in the universe. If you feel a little slow, you can start these three small wheels to fan the wind, so that the spacecraft can run faster, because these three small wheels are specially used to fan strong winds. In addition, there can be wind on that wheel, which can accelerate the speed.
However, there is also a warehouse on the first floor to adjust the attack and defense. Ordinary people can't enter this room (because this ship is going to fight). Only professionals can enter this room. This room is more dangerous, because it may be killed, because it is the farthest room and there is no insurance. There is insurance in the cockpit, but there is no insurance here. But those workers are wearing clothes made of cement, high-grade metal, metal, steel, iron and earth, and they are very thick. Even if a meteorite hits them, they won't be killed. Of course, drivers wear this kind of clothes, but waiters don't. They are all wearing their own clothes. The biggest advantage of taking this spaceship is that people will feel very comfortable and will not feel weightless.
This is the spaceship I want to invent. Isn't it amazing? Even I can't wait to think about this idea myself, but the technology is not enough now, and we need to keep learning to realize it.
8. I invented airplane composition through dragonflies. The helicopter comes from the principle of bamboo dragonfly, which is the toy we played when we were young, and the sculls that we rubbed with our hands again and again to fly. The development of helicopter has experienced several twists and turns in the history of human science, which is much more difficult than fixed-wing aircraft. The reason is that its unique rotor flight mode has brought too many technical obstacles, and it needs a lot of technical progress to bring about a breakthrough in helicopters. But in the future, helicopters will make great progress.
The concept of helicopter can be traced back to the ancient bamboo dragonfly in China. According to detailed historical records, the book "Embracing Dragonflies" written by Ge Hong in the Jin Dynasty describes the scene that the rotating bamboo dragonfly rises and falls vertically and the rotating propeller pulls up vertically, which is considered to be the earliest description of the basic principle of vertical takeoff and landing helicopter in the world. Although these records lack reliable basis, the contribution of bamboo dragonfly to the development of world aviation is universally recognized. Long before the invention of hot air balloon, bamboo dragonfly was introduced to Europe as a toy, and its wonderful vertical lift-off principle was studied by Europeans as an aircraft. Many western aviation pioneers have realized some important aviation principles from bamboo dragonflies.
9. Write an article. This is an imaginary composition of an airplane I designed. The 600-character airplane is a quick and convenient air traffic tool invented by people. If the first plane was born, it was in 1903 that the first plane appeared and successfully tested.
Looking back now, although airplanes are getting faster and faster, they are not safe. It is often because of a small mistake of the pilot that the plane is destroyed and people die, and its energy consumption is also very high. Although people have installed energy-saving engines on airplanes now, they still consume too much energy.
In the near future, a new type of plane will appear on the earth. It not only has many functions, but also has a 100 security system, which is absolutely safe and practical. Very safe, fire-proof, waterproof, electricity-proof, broken fuselage and explosion-proof. The most important thing is that it is very resistant to falling and bumping. No matter how high you fall, it doesn't matter how many birds you hit, because it is divided into two layers, the outer layer is nano-laser technology, and the inner layer is the world's hardest diamond-diamond powder mixed gold powder, which is stronger than the outer layer 1000. It also has many functions. It can be turned into a super speedboat on the water, an underwater submarine, a supersonic plane in the sky and a long-distance bus on land. It also has a function, that is, it can become a robot, allowing passengers to experience the taste of watching the scenery in the robot. It is not only safe and fully functional, but also has zero emission. It uses solar energy on sunny days. In rainy days, lightning is converted into lightning energy with a suction needle; When the weather is cloudy, it uses lightning energy and solar energy stored in the energy generator. It doesn't emit waste gas, but fresh air.
This kind of plane is small, safe and indestructible, just like the solid braces on the solid braces. Multi-functional and complete; Zero energy consumption and zero emission; I think many people will like it in the future.
Ha ha! What happened? Is this future plane good? This is what I want to invent when I grow up. Maybe you will be the first passengers on this plane!