1229. Overlooking the Town (9/10)
The use of aviation tools, except for origami airplanes, requires the joint efforts of a group of people, such as real piloting airplanes, helicopters, and taking off hot air balloons.
Once the balloon equipment was ready, a group of four and a group of six began to work together quickly to put them together.
The first was to spread the balloon on the ground, which they did very quickly, and it only took a four-man group about ten minutes to do it.
The other group of six assembled the hanging basket, which is more complicated, because it is necessary to install the hanging basket shell, install the safety compartment, configure the burner and blower, etc.
They were both highly trained veterans and finished almost simultaneously, and then they worked together to connect the airbags with the hanging baskets that were placed aside.
At this time, the small engineering truck that came with the board truck began to work, injecting helium into the air bag that had been deflated on the ground. Slowly, the airbag began to rise slowly, higher and higher, until five or six meters later, the blower in the gondola began to work, and the burner slowly erupted outward.
The light gas and the hot air work together to increase the speed at which the balloon rises, so that when the airbag is completely in the air, the preparation is almost complete.
Qin Shiou watched the hanging basket staggering and being hoisted, and his mood was excited, and he said, "Can I go up now?" ”
He looked at the time, in fact, it didn't take long, less than an hour and a half, and this was the first time to take off, and the gondola was assembled in the future, check that there was no problem and then inflate the airbag, and it would be able to fly in an hour.
Johnson shook his head and said, "No, Mr. Qin, we still need to debug the equipment." GPS navigators, satellite phones, and radio stations must be debugged one by one. After there is no problem, we will contact the ground support car before we can take off. ”
Qin Shiou was stunned and said, "So cumbersome? I first read the introduction. Doesn't it mean that two people can complete the takeoff of a hot air balloon? ”
The two people he was talking about were the first and co-pilots, who were used to fly hot air balloons.
Johnson shook his head and introduced him: "Being able to take off is not the same thing as flying well!" In the eyes of our professionals, a full hot air balloon flight team has at least five people! ”
"So much?" Qin Daguan gasped, he felt that it was not easy for his hot air balloon to fly.
Johnson continued: "Yes, quite a lot, first you need two pilot pilots, and then you need two ground crew. There is also a hygienist. If it's a special-shaped ball, it's even more troublesome, and the ground crew needs 9 people! ”
"Why do you need a hygienist?" Qin Daguan was helpless, he didn't introduce this when he checked the information.
Johnson smiled and said: "Changes in flight altitude will cause changes in pressure, temperature, and air density, which will cause discomfort to people, so it is best to have a hygienist with you to monitor physiological data such as blood pressure, blood sugar, and blood lipids." ”
After some testing, the engineer who came with Johnson gave him a thumbs up. It means that this hot air balloon is no problem and can already fly.
Qin Shiou asked, "Is it okay this time?" ”
Johnson smiled: "Yes, it's okay, no problem at all." ”
Qin Shiou nodded and took the lead in getting into the hot air balloon. There were two middle-aged people waiting inside, and they were the main and co-pilots of this flight.
Seeing Qin Shiou getting into the hot air balloon openly, Johnson said: "Mr. Qin is really brave. There aren't many people I know who dare to go up without having to test fly a hot air balloon for the first time. ”
It would have been. When Qin Shiou bought the helicopter, the pilot of the plane first drove the helicopter around several times. After proving that there was no problem, he pulled Qin Shiou up.
But hot air balloons are different from helicopters, as long as the rules of hot air balloon operation are strictly observed, then this thing will not be a problem, because the rising power of the hot air balloon is the hot gas generated by the combustion system, if the combustion system can not produce hot gas, the balloon balloon will become a parachute, and it will naturally land slowly.
Even if the airbag is broken, because of the material, as long as the airbag is not hit by a missile or tornado, it will not have a big gap all of a sudden, so that the burner constantly produces hot air to supplement the gas leaked out of the gap, and it can still ensure the normal landing of the balloon.
Of course, if there is no natural or man-made disaster, the air bag of the hot air balloon is broken and the burner cannot be used at the same time, then the people on it are indeed dangerous, but the probability of encountering this situation is not much greater than buying a billion in the lottery ticket.
Now the hot air balloon has been confirmed by the International Air Federation as the safest flying machine, Qin Shiou knows this, so what is there to be afraid of?
In addition, the reason why Qin Shiou wanted to get on the hot air balloon was not only because he was curious, but also because he brought something - an extra-long banner that swept together and needed him to hug it, which was to be hung on the hot air balloon.
On board the hot air balloon, the two pilots get busy, one radios the ground support car, and the other checks the altimeter, speedometer, thermometer, pressure gauge, anemometer, and so on.
The burner began to increase its firepower, and a super flame two or three meters long burned straight, and powerful hot air rose up, and the hot air balloon began to accelerate its rise all at once.
Johnson explained to Qin Shiou: "We don't have enough helium, because the airbag is used for the first time, and we have to give it a time to adapt to the tension, so this flight needs to rely on a burner." ”
The fuel used in the Archangel F2 generation AM hot air balloon is propane and liquefied gas, and the burner is a high-energy compressed gas burner with a heating capacity that is 500 times more powerful than the general family gas stove, which can keep the fire all the time and resist the eight-level wind.
If the burner strikes, there are still two combustion systems on standby, ready to be turned on for use.
It's not a good time for a hot air balloon to take off, it's best to fly it at the time of day when the sun is just rising or an hour or two before it goes down, which is usually the time of day when the wind is calmest and the most stable airflow.
The hot air balloon is not really driven, it is driven by the wind. However, since the wind has different directions and speeds at different altitudes, pilots can choose the appropriate altitude according to the direction needed for the flight.
It's a north wind right now, and Farewell Island is located directly south of St. John's, so you can fly with confidence, which is why the pilots chose to take off now, otherwise you will need help to get the hot air balloon to Farewell Island.
Qin Shiou used to have a fear of heights, and he took helicopters and air tractors in the fishing ground every day, and his fear of heights eased a lot, and the hot air balloon flew not too high, so he could accept it.
Flying in the air, he looked down and saw St. John's getting smaller and smaller at his feet.
St. John's is a port city built on the seashore, so the terrain is uneven, and there are many uphill and downhill slopes in the city, and some houses are built with a slight slope, which is especially clear from the heights. (To be continued......)