From 1904 to 1905, the Wright brothers produced Flyer 2 and Flyer 3 successively. 1904 On May 26th, Voyager II made its first test flight. 1905101October 5th, Voyager 3 made the longest test flight, flying 38.6 kilometers, leaving it blank for 38 minutes-this shows that the Wright brothers' plane solved the balance and control problems well. 1906, the Wright brothers' aircraft patent application in the United States was approved.
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1903 12 17 this morning can be said to be a historic progress in the history of world science and technology: "Wright brothers" successfully tested the world's first self-powered automatic control aircraft in Shaman Mountain, North Carolina, USA. Although the flight was wobbly and unstable, and it flew less than 300 meters in 59 seconds, it was a great leap in the history of human powered aviation. They named the plane "Voyager One".
Prior to this, many scientists in the world believed that an airplane that can fly by its own power is tantamount to creating a "perpetual motion machine", which is impossible to achieve. Therefore, many countries try to promote the use of gliders.
After the successful test flight of the Wright brothers' "Voyager I", it has fulfilled the human dream of flying for thousands of years and caused a great sensation in the world. In particular, the Wright brothers took the lead in using the warped wing to control the plane, keeping the plane flying smoothly at high altitude and making a major technological breakthrough.
Soon, the Wright brothers were surrounded by various honors and auras. They were afraid that their technology would be stolen by others, so they wrapped up the plane and locked it in the warehouse, and did not disclose the design scheme of the plane and the core technology of the upturned wing to anyone. For those who want to watch the air show, they must sign the contract in advance, get the consent and pay a large sum of money.
Next, they put all their thoughts and energy into applying for a patent. They believe that at that time, the orders and sales of planes all over the world will flock to them and make a lot of money.
Applying science and technology to war, especially the application of military science and technology, means that we can better grasp the winning power on the battlefield. Starting from 1905, the Wright brothers began to sell their own planes to the US Army, which also urgently needed such planes for military observation and reconnaissance. They found the Wright brothers and told them not to sign contracts with other countries, hoping that they would make a flight demonstration before deciding whether to buy them.
At that time, many aircraft were born in the world, but the probability of crash was quite high, which was almost unbearable. In particular, the United States once allocated $50,000 to Langley, an American aviation technical expert. However, Langley's development was unsuccessful for seven years, which once attracted criticism and ridicule, making the United States always have doubts about aircraft. 19 1 1 did not agree to allocate funds to the aviation industry at the beginning.
Therefore, it is reasonable for the US Army to test the performance before deciding whether to buy it. Unexpectedly, the Wright brothers demanded that the US Army must pay before testing their own aircraft, and refused to give in at all.
This is embarrassing for the US Army, because the military does not have this expense. Even if you buy it, you have to go through other military expenditures. Wouldn't it be a waste of money if the Wright brothers' plane failed? Moreover, the military believes that Americans' own inventions are unwilling to be delivered to the US military, which is completely business pedantry.
However, there is nothing the US Army can do, because at the beginning of 19 14, the court has ruled that all aircraft produced in the United States must pay 20% of the patent fee to the Wright brothers if they adopt patents.
19 14 July, World War I broke out. Due to the patent protection of the Wright brothers and the limitation of the litigation agreement, the performance of American aircraft is very poor, and it can only be bombed and dropped in a small scale, and the number is far from enough. As a last resort, the US Army had to spend a lot of money to buy planes from France as a battlefield emergency.
After the war, in order to reduce the patent fee of "Wright Brothers" to 2%, the United States had to pay $2 million to the Wright Brothers at one time, and the American aviation industry got new development.
At that time, the Wright brothers invested a lot of energy in the patent protection of aircraft, but paid little attention to the improvement and technological innovation of aircraft. In fact, their technical level has fallen far behind their peers. By 19 15, the Wright brothers never sold another plane.
In April, 2005, French aircraft was already at the leading level in the world. French pilot roland garros installed a machine gun behind the propeller of his biplane for the first time and successfully flew into the blue sky. Facing the approaching of the German plane, he beat the German pilot with a machine gun, which initiated the air combat of the plane.
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