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Chapter 1778 Don't be nervous

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    The sextant is an optical instrument used to measure the angle between two distant targets. It applies the most basic optical knowledge, that is, the angle of incidence is equal to the angle of reflection.

    In use, the angle between the sun and the sun is often measured during the day, and the only thing to do at night is to find suitable stars, which requires the cooperation of the chart.

    The principle of the sextant was first proposed by Newton.  It has a small telescope, a semi-transparent and semi-reflective fixed plane mirror, that is, the horizon mirror, and a movable reflector connected with the index, that is, the index mirror. They are installed on an arc-shaped scale plate.  An arc is one-sixth of a circle, so it is called a sextant.

    In addition to being unusable in rainy weather, the sextant has always been a must for the nautical profession. At the same time, it is also widely used in aerospace. Even if various advanced instruments and equipment continue to appear, the sextant is still quite practical.  of.

    The navigation equipment used by various ballistic missiles, of which the inertial navigation system only accounts for a small part, most of which are starlight navigation. They use the principle of sextant to determine their own position by searching for a few stars.  Even when Apollo 13 broke down, the astronauts used the sextant as the only navigation tool to return to Earth (this is from Baidu, I don¡¯t know if it¡¯s true or not).

    Now, in this dark night, Li Pengfei concentrates on operating his navigation equipment for me.  From the very beginning of takeoff, he has to measure his own flight direction, and by converting the flight speed, he can draw his own route on the chart.

    As a navigator, after boarding the plane, you must hold a wallet owned by the navigator.  Inside this wallet is a chart.  The plane flies in a straight line, so as long as you can find the right heading.  Then multiply the flight speed by the time to get the flight distance, mark it on the chart, and you can know where you have arrived.  This is an essential duty of a navigator.  In order to make their navigation as accurate as possible, Li Pengfei operated the sextant and got busy from the very beginning after taking off.

    During the entire voyage, only the machine gunner should be the most relaxed.  Of course, if encountering an enemy sneak attack, the machine gunner should become the position with the highest death rate.

    In the cabin at this time, Qin Baoshan was driving the plane.  Constantly climbing.  In order to save fuel, they have to quickly climb to an altitude of 6,000 meters after take-off.  In this airspace, they need to breathe the oxygen inside the oxygen mask.  Wearing such a burden is very uncomfortable.  But when Qin Baoshan gave the order, everyone put on their oxygen masks in an orderly manner.  They knew that this was an action that had to be done. If they didn't wear such a burden, they would probably pass out soon.

    In addition to oxygen, there is temperature.  The temperature in the sky is very low, so they feel the cold quickly.  In order to save fuel, they did not turn on the electric heating equipment, and could only rely on their clothes to resist the cold.

    It seems that I have to get some warm flight leather jackets in the future!  Qin Baoshan secretly thought in his heart that the next time the Americans come, he must ask them for it.

    Xing Hai sat beside Qin Baoshan, watching Qin Baoshan's various movements intently.  He knew very well that it was Qin Baoshan who came with them for the first flight.  But in the future, they will fly by themselves, and he has to control everything.

    "The flight route is completely correct. We will fly straight and reach the capital of Japan." Finally, Li Pengfei's voice came. After hearing his words, Qin Baoshan turned his head, looked at Xing Hai, and said, "Come and fly!"

    Taking off, climbing to a high altitude, and aligning with the flight path, Qin Baoshan did all of these.  Then came the long flight, Qin Baoshan didn't want to drive the whole journey by himself, it was too exhausting, so I left it to Xing Hai.

    Hearing Qin Baoshan's words, Xing Hai nodded quickly, holding the operation panel tightly with both hands, and looking forward.

    "Don't be nervous. Why are your arms so tense? What are you doing with so much strength? Do you want to pull down the operating panel?" Qin Baoshan said to Xing Hai.  Although Xing Hai has flown many times, it is the first time to fly this kind of bomber on a long voyage.  In the past, I only experienced it on the ground. Later, in the name of a test aircraft, I flew this kind of aircraft for several landings. Now I have really flown to high altitude and long-distance flight. Xing Hai is indeed a little nervous.

    Different aircraft feel different when operating. For this kind of large bomber, the movements must be gentle.

    Xing Hai wanted to relax, but he was too nervous to relax no matter what.  So Qin Baoshan said from the side: "Are you married?"

    Xing Hai felt a little strange when Qin Baoshan suddenly asked him this question.  He looked ahead and said in his mouth: "Report, the family originally gaveA child bride.  But those are all things of the old feudal society.  So I can't approve it.  What we are advocating now is free love.  Me, I haven't met anyone I like yet.  "

    "When this task is over, you will be our hero." Qin Baoshan said: "I don't know how many girls will like a hero like you. I will introduce you to a few at that time, and you will be satisfied. You  What kind of character and appearance do you like?"

    Xing Hai never dreamed that Qin Baoshan would be able to say such words when he was performing a mission in the sky and was so serious, and started to introduce him to someone.  But these seemingly limitless words have played a very good role.  Slowly, Xing Hai finally relaxed and was no longer nervous.

    "That's right, it's good to stay in this state. You just fly down like this, and I'll squint for a while." Qin Baoshan said.

    In fact, Qin Baoshan is certainly not sleepy.  For this action, he had been preparing for a long time.  He had already rested during the day, but he also knew that he would not be able to come next time. Xing Hai would sit in his seat next time and become the captain.  So Qin Baoshan must take advantage of this opportunity to train Xing Hai.  Qin Baoshan seemed to hand over the plane to Xing Hai boldly, and narrowed his eyes. In fact, his ears were still paying attention all the time, and he must not let the plane have any accidents.

    Xing Haifei is very good.  Flying is not simply operating the joystick and stepping on the rudder, but also looking at the row of instruments in front of you below. You must be highly vigilant. Once there is an abnormal indication, accidents are likely to occur.

    Every few seconds, Xing Hai glanced at the instrument in front of him from the corner of his eye to make sure that everything was normal during the flight.  Time passed by like this.  They flew away from the mainland, and there was already sea water below.  (Remember the site URL: www.hlnovel.com
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