After lunch, Yuan Zhenli didn't have the heart to sit in the cafeteria to rest, he and Lin Jinlai took a few ground crews on the runway and began to check the biplane. Pen %Fun %Pavilion www.biquge.info [Latest Chapter Reading] This plane is not painted now - the entire industrial system today is already very remarkable that it can produce cloth dyes, and the paint cannot be produced for the time being, and the old space-time paint in stock has many uses, and it will definitely not be used on such a test machine, so the whole plane is only tar on the outside to prevent corrosion.

"Alas," Yuan Zhenli opened the hood of the plane, looking at the mess of wires and control cables inside, "If only we could use telex, we wouldn't have to check these cables before takeoff and after landing." As he spoke, he checked a few strings. These methods of pulling and controlling the aircraft through the wire are too primitive and unsafe. ”

"Why isn't it safe?" A ground crew next to him hurriedly asked, if there is an accident, this is his responsibility, and he is naturally particularly concerned about these things that may cause accidents.

"First of all, these are metal wires, I suggested using copper wire at first, but the guys from the Planning Commission refused, saying that copper is an important industrial raw material and cannot be wasted on the plane......" Yuan Zhenli said and walked to the cockpit position and shook the joystick and asked, "Left aileron?" ”

The ground crew hurriedly replied, "Normal! Yuan Zhenli nodded, shook the joystick again, looked back, and said to himself, "The right aileron is normal." Then he waved the wrench in his hand with the ground staff and said, "The ductility of copper wire is better than that of iron wire, and the metal fatigue of iron wire is faster than that of copper wire." The steel wire is slightly better, but it is still not enough, and it must be replaced after about 3,000 times of use, otherwise there will be a possibility of breakage. ”

As he spoke, he plunged headfirst into the cab, checked the wire joint under the joystick, and a ground crew next to him hurriedly opened the hatch below, and saw some dirt chips and tiny wood chips falling out. "Look for wire scraps in the garbage below."

Several ground crews came over and searched the garbage, and after a while, they all reported that they had not been found. However, Yuan Zhenli did not climb out, but directly pressed the rudder with his hand, and asked the ground crew who could be seen near the hatch, "Horizontal tail?" ”

"Normal!" "Tail right aileron?" "Normal!" "Tail left aileron?" "Normal!" Yuan Zhenli breathed a sigh of relief, climbed out of the cockpit upside down, and then ejected the cabin with a dexterous movement.

Lin Jinlai watched the movements of this patriarch from the side, and couldn't help but be a little dazed, he now knows a lot of patriarchs, among these five hundred patriarchs, there are fat and thin, men and women, and there are really not many people with a dexterous figure like Chief Yuan. Yuan Zhenli looked at him in a daze, and stuffed the wrench in his hand into him, "You, go check the rear cockpit yourself." ”

Unlike the prototypes of the old plane, this trainer has the instructor pilot seat in the front and the trainee in the back...... This is not because the industrial department has reversed the cockpit, but because the two veterans of the air force can be regarded as half-assed, and arranging them to the back, which will block their view during operation, but it is not safe, so they can only move to the front to prevent a crash due to some bullshit things.

Yuan Zhenli closed the oil supply valve and checked the propeller, this propeller is metal, for this propeller, he had to go to the lumber mill, and quarreled with Xiao Jing for several days, so they used a CNC sawmill to process a four-paddle propeller, why use four oars, because even Xiao Jing has little confidence in these naturalized people under his command, if the kind of three-oar, get the two angles wrong, it is easy to have an unstable center of gravity and cause the nose to swing uncontrollably. Then Yuan Zhenli took the wooden propeller to the foundry to make a mold, and cast ten propellers in one go, and it was almost the same as he thought, three of the ten propellers had problems with casting, one broke when it was taken out, and the other six had impurities in the molten steel, which broke during the rotation test. Fortunately, there was preparation and no damage was caused.

Although this propeller has been flying for more than ten hours, it is still very strong, which makes Yuan Zhenli very satisfied. However, there are still some unsatisfactory aspects of this propeller, because the propeller rotates clockwise in the direction of flight, and when the air flow is blown as a whole, there will be a right-handed torque, which will slowly twist the whole aircraft to the right, resulting in a clear feeling that it must turn a few degrees to the left every time it flies. There is still no problem with this under the guidance of a reference object and a compass, but if you start to build an aircraft carrier in the future, it will be very troublesome when you fly without a reference object or the compass fails on the vast sea.

In order to solve this problem, Lin Shenhe proposed the concept of coaxial anti-propeller at the aircraft design seminar, that is, two propellers with opposite rotor directions are installed on the same shaft, one clockwise and the other counterclockwise, so as to ensure that the course deviation will not be caused by the air flow. In the old days, this type of propeller was mainly used for platforms that needed to fly smoothly, such as the so-called 3.5 channel remote-controlled helicopters that can be found everywhere in the streets and alleys, but earlier on, the British Navy had installed such propellers on their carrier-based aircraft, and if it were not for the subsequent jet age, this propeller layout could have ruled the carrier-based aircraft world. The Soviets originally installed this coaxial anti-propeller propeller on the Tu-95 bomber, and later directly built the Ka-50 and Ka-52 gunships. But at the moment, although the concept is very good, it is not up to the quality of the materials that the industrial system can provide - they produce steel hoes and shovels that are not a problem, but when they are used to make precision instruments or wrenches, which require special steel, they are a bit less powerful. The two propellers produced in the trial were either the angle of the propeller blades was deviated, or the outer shaft of the rotating shaft was particularly easy to break, so in the end it had to be abandoned, and the industrial department could only put this problem aside and wait until the steel plant could provide high-quality metal materials.

At this time, Yuan Zhenli looked at the whole plane, most of it was still the color of wood, but it was coated with a layer of tar and black and not slippery, the wings were covered with a thick canvas, and the whole plane had no logo at all - it was completely unnecessary, at this time, the only thing that could fly in the sky at this time was the plane of the Senate Air Force except for the birds. The technical level of the aircraft used is probably from the First World War, but the aircraft design used is from the early days of World War II. He was very dissatisfied with this kind of open-top plane - after flying into the sky, the whole cockpit leaked on all sides, it was completely uncovered, the wind was swishing everywhere, if he did not wear a dogskin hat and a thick scarf, he might not be able to fly the plane because of the cold, and if he did not wear deerskin goggles, he would simply burst into tears and could not see anything. In the sky, communication can only rely on ground flags and light signals, and if you want to communicate with the ground in the sky, you can only drop the iron cylinder with paper strips down. As long as you go to the sky and your ears are full of the sound of the engine, the connection between the cockpit and the cockpit can only be patted on the shoulder and then roared.

Since Shui Wangtai led the scientific and technological team to develop the radio, he also thought about installing a radio communication system on the plane, but the current radio is mainly for telegraph transmission, not through direct voice transmission, which is too chicken for him, and he has to bring a special transmitter to the sky, so it is better to bring a mobile phone.

He couldn't help but think in his heart, first of all, this aircraft had to solve the problem of closed cockpit, thinking of this, he couldn't help but think of a joke, saying that the Italian Air Force was equipped with a good aircraft in World War I, but it was scum in World War II, because it did not make efforts to develop a fighter with a closed cockpit. The reason why he didn't make the effort to close the cockpit turned out to be that the Italian pilot said that the closed cockpit would isolate them from the wind, and they couldn't feel the sense of freedom brought by the wind...... "It's necessary to be so literary and ......artistic to fly a fighter jet" He couldn't help laughing alone, looking at Lin Jinlai and a group of ground workers looking at him in surprise, he waved his hand, "It's okay, you guys are busy with yours." ”

The next problem to be solved is mainly the communication in the cabin, the closed cockpit is slightly better, at least you don't need to pat the shoulder, just shout, but if you can have an in-cabin communication system, it will definitely be better. As for the most important thing is the long-range radio communication equipment, the pilot is different from the ground troops, if the flight also needs to use a telegraph to communicate with the ground, it is too troublesome, the plane shakes relatively large in the air, and the situation of sending mistakes and leaks is obvious. In World War II, the Japanese installed wireless telegraphy on their reconnaissance planes, and every time they reached a critical moment, they had to drop their chains, and they could not be transmitted or sent, thus often delaying the fighters.

"Report Chief! Check it out! The ground crew leader walked up to Yuan Zhenli and reported loudly. Yuan Zhenli nodded and ordered, "Fill up the fuel tank, push the plane to the runway take-off position, and prepare to take off!" ”

Immediately, two ground crews brought in two cows...... At this time, it is more difficult to find He Yue to get a horse than anything else, as long as there is an alternative, even if it is his own son, he will not give it. Used to pull a car or pull an airplane, the cow is basically enough, the only fly in the ointment is that every time He Rolling Dragon sees the ox pulling the plane, he feels very unhappy.

Yuan Zhenli and Lin Jinlai are both wearing one-piece flight suits, although the weather is not hot now, but it is still very warm under the sun. But immediately, the ground crew next to him stuffed a flight leather jacket - this is not the handsome leather jacket of the American pilots in "Proud Eagle", but a locally produced dog skin jacket, and it is not dyed, and the two people are wearing dog skin hats on their heads at this time, wearing white dog skin jackets, and a cloth belt around their waists - there can be no metal on it, lest they accidentally fall into the plane and cause an accident. The two pilots looked like Shaanxi peasants in sheep's clothing at this time, Yuan Zhenli looked at Lin Jinlai with an excited look, and couldn't help but shake his head and sigh again, this is inevitably too earthy...... For this reason, he has already refused four requests from people from the news outlet to interview and take pictures, so that if the photo is published, it will definitely be archived - there is no need for the news mouth to archive, the senators of the Senate will forward it to each other in the forum, and even the title he has come up with is "Shaanxi farmers soar into the blue sky, and the dog skin plaster reaches a new high"...... He didn't even want to look in the mirror when he wore this kind of flight jacket, let alone go around for a ride like Tom Cruise, and he didn't even wear it until he entered the cockpit anyway.

The deerskin goggles on his head are produced by the Dongfang Port Precision Instrument Factory, but this kind of fully enclosed goggles will fog up after rising to 1,200 meters, and a large area of white will not be seen without wiping, so he can only artificially make a modification, poke a row of small windows on the wall of the deerskin mirror of the goggles, to ensure that a small part of the wind blowing will blow directly into the goggles, and take away the hot air and water vapor inside, so as to solve the problem of condensation. But this modification came with another problem - it was so cold that my eyes hurt, and sometimes frost formed on my eyebrows after a flight. So he made a small change, and surrounded the outside of these small windows with a cloth, closed them when it was cold, so that the cold air did not enter too much, and opened them when there was condensation, and blew the moisture inside.

The two checked each other's parachute bags, although no one had used them, and they hadn't even opened them in the new time and space, whether this thing could be used or not was not certain, but the comfort effect on the psychological level was greater, and sometimes He Rolling Long would joke that it was better to send an empty backpack to one person, and it could also save some weight. However, at this time, the person who can fly the plane is more important than anything else, and even the plane has to stand aside, so no matter what you fly, you must carry a parachute.

"Get on board!" He gave an order, and the ground crew on the side hurriedly dragged out two small steps made of wood and placed them next to the cockpit of the plane, Yuan Zhenli and Lin Jinlai quickly stepped on the steps into the cockpit and sat down and fastened their seat belts.

He began to check the transmission of the plane again, and as the guide in front of him gave him a thumbs up to make sure that everything was in order, he nodded to the ground crew on the left side of the plane, and turned his left index finger upwards a few times. The ground crew below gave a thumbs up, and then the two ground crews poked a crank into the diesel engine on the side, and began to shake it up playfully, with a "sudden and sudden" sound, the diesel engine quickly spewed out black smoke, which was blown away by the air flow of the propeller rotation in an instant, and for a time the cockpit was filled with the rich smell of diesel exhaust. The diesel engine was spinning desperately, and the plane was beating slightly, so that the two pilots were turned upside down at the same time and had an unconscious urge to urinate. The ground crews on both sides quickly dodged, and Yuan Zhenli made one last inspection, and then made a gesture outside to prepare for takeoff. The last two ground crews moved out of the gear and the plane began to glide forward. "Everything works!" Lin Jinlai, who was in the back, stared at the instrument and shouted, the speed of the plane became faster and faster, and soon it finally left the ground after two jumps.

(Today is Valentine's Day, I wish you all book friends a happy holiday, and lovers will eventually become married!) ）

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