Chapter 81 You have a lot of eyes [11/20, ask for a monthly ticket]
Chapter 81 You are so thoughtful [11/20, please vote]
Author: Huozhongwu
Chapter 81 You are so thoughtful [1120, please vote]
Silence's new weight is 0.27 kg.
There are the following supplies on the shelf where he is sitting.
A handheld rechargeable loudspeaker weighing 1 kilogram is often used in vegetable markets to play and shout in a loop.
A full compressed hydrogen tank with a total weight of 0.5 kg.
It has three gears, and the lowest gear can last for 15 hours. It is a rechargeable handheld fan that weighs 0.18 kg.
A children's phone watch with positioning and calling functions, weighing 0.1 kg.
A set of snap-on cover-type simple Red Bull can hedgehog armor that can be quickly worn, weighing 0.05 kg.
Coupled with the frame, ropes, and the simple wooden frame used to initially fix the balloon, the total mass of the entire device and people is close to 2.2 kilograms.
The "balloon" that was pumped up at the end alone would definitely not be able to lift such a weight.
But in front of this "balloon", there are exactly thirty "balloons".
The combined volume of these thirty "balloons" is close to 2 cubic meters, and the average volume of each "balloon" is a little more than 0.06 cubic meters.
After testing, the extraordinary durable "balloon" can reach a maximum length of nearly 1 meter, a diameter of nearly 0.4 meters, and a volume of more than 0.1 cubic meters.
Now the air is only inflated to 60%. As long as it doesn't touch an open flame, there is no risk of the "balloon" exploding.
Each 1 cubic meter of hydrogen balloon can provide more than 1.2 kilograms of buoyancy.
Now the thirty-one balloons combined provide just enough buoyancy to pull up Shen Moxin and the entire device.
Shen Ling, who was below, observed the straight traction rope, then tried to pull the rope with her hand, shook her head and said: "Dad, no, the buoyancy is too high, the lift-off speed will be too fast later, you need to let some air out." .”
Silently speaking, he changed the knob again and turned it bit by bit.
Amidst the sizzling sound, the last balloon slowly shrank slightly at a speed that was almost invisible to the naked eye.
Shen Ling, who was below, gently pulled the rope again until she could lower the height of the entire device slightly with just one finger and about as much force as pressing a piano key.
Shen Ling greeted: "Okay, that's it now."
Mo Moxin turned his head and glanced down.
Father and daughter looked at each other and nodded to each other.
Shen Ling slowly untied the rope.
Silence's new sitting set began to rise again.
This scene is like releasing balloons at the opening ceremony of a company in the past.
The red, pink, white and blue "balloons" are fixed on a rectangular wood frame.
Every three "balloons" are arranged in a row, with a total of ten rows.
The last balloon that Silent Xin can control independently is listed alone at the end.
Dozens of holes were cut into the wooden frame, and thirty-one ropes were wrapped twice around the wooden beams at the openings and then tied to the "balloon".
Thirty-one ropes extend downward from the large flat frame above, and are also connected to a small flat frame.
Under the flat frame of this trumpet is the operating cabin where Silence Xin is currently riding.
The operation cabin consists of four parts, the top one is the balanced connection frame, and the middle one is the silent new cockpit.
The structure of the cockpit is relatively complex.
The charging amplifier is fixed at the front.
The new silent face sitting in the cockpit was facing the receiver of the loudspeaker.
The Silent New has a rotatable torsion bar on the left side.
At this time, Shen Moxin was shaking the torsion bar. The torsion bar was connected to the roller below through a black elastic rubber band. The roller rotated and was retracting the traction rope hanging below.
In front of Shen Moxin was a metal pole lying flat.
A connecting rod is welded to the bottom of the metal rod in a T-shape.
The connecting rod passes through the round hole on the plastic plate at the bottom of the cockpit and is fixed on a cross with screws.
The small charging fan is fixed upside down under the cross.
This small fan is the third part, which belongs to the power part.
When Silence turns the upper horizontal bar, the small fan below will change its direction.
The small fan's paddle switch was modified, taken out, and the connection was extended, and moved to the upper cockpit, just to Shen Moxin's right hand side.
Behind Shen Moxin is the retractable Red Bull can armor.
Once he needs to make an emergency landing, he can sneak behind him, sit directly in the armor, and then close the cover himself from the inside. This way, even if there are cats and dogs outside, he can barely extend his hold on the armor.
If the situation was more urgent and all the "balloons" exploded at the same time, then he would have no choice but to parachute.
Further behind the Red Bull can armor, there are two short poles about 15 cm long that are stowed away.
The lower short pole is placed horizontally, while the upper one is vertical under the action of gravity.
The short rod is connected to the pull rod in front, which is also on Shen Moxin's right hand side. If you grab the pull rod and pull it forward, the short rod on the rear side can be supported horizontally.
The cloth between the two short poles will be spread out to form a simple wind rudder.
At this time, twisting the front lever can control the direction of the simple wind rudder.
Under the speaker in front of Shen Moxin, there was another children's phone watch with the strap removed.
The main functions of this phone watch are positioning, navigation, and communication.
Below the small electric fan is the fourth part, which is a four-legged support frame.
As the entire device took off, other people around began to cheer.
Silence Xin carefully controlled this unique one-person airship, rising little by little.
After it was more than five meters in the air, he adjusted the switch lever of the small fan to the lowest setting.
As the blades of the small fan rotated, the single-person airship began to move forward slowly.
At this time, the external wind speed is about 4 meters per second, which is a gentle breeze, and the wind direction is stable northwest wind.
The single-person airship travels with the wind, so after flying above the height of the warehouse roof, it can use the external wind to suddenly increase its speed.
Considering that the front was wide open, Shen Moxin was not in a hurry and simply turned off the small fan.
After floating forward for fifty meters, Mo Shenxin's single-person airship almost flew to the center of the park square.
He released a little bit of hydrogen and gradually descended in altitude.
Then, he turned on the fan and twisted the stretched wind rudder rod.
With the help of the wind helm, the single-person airship slowly drew an arc in the air, began to fly back, and lowered its height to one meter just as it arrived at the door of the warehouse.
Shen Moxin turned another switch next to him, and the roller connected to the traction rope fell down with the traction rope, and landed on the ground with a clatter.
Everyone on the ground cheered and stepped forward to grab the traction rope.
Everyone feels that this experiment is complete and can be mass-produced immediately.
Yuan Yike from a distance looked back at the scene and sighed, "It's amazing. This is an aircraft that can last a whole day. If you bring enough food and water, it won't be a problem to stay for a few days."
Zhou You also smiled and nodded, "That's good, but I have to add six points. First, protect yourself from the cold. If you are going to stay in the air for a long time, it is best to maintain the altitude above fifty meters. At that altitude, the temperature will be higher than on the ground.
It’s a bit lower, and it’s especially cold at night.”
"Second, it's a pity that the conditions are insufficient. It would be great if there was a pressure altitude sensor. Then write a program to associate the pressure altitude sensor with the inflation and deflation valves. Add a PLC automatic control system to set the automatic cruising altitude.
It would be even better to add a low-altitude alarm function.”
"Third, it is best to connect the inflation and deflation valves to three avoidance balloons at the same time, which can speed up the lifting speed. Fourth, three balloons must be prepared as backup as a redundant design in case of damage or abnormal leakage.
You won’t be helpless.”
"Fifth, it is best to add an ejection device to the seat. Once things go bad, it can be ejected directly to the side and quickly separated from the main body of the airship to avoid being involved by the descending airship."
"Sixth, now that the carrying capacity of the airship has been determined, we can actually add another 5,000 mAh power bank, which can continue to extend the battery life. After all, once the airship floats, as long as it does not move, it will be heavier and lighter.
It doesn’t affect energy consumption much.”
Listening to his endless talk, Yuan Yike's eyes sparkled and he sighed: "When I was studying, I thought you were very clever, and now it seems that it is indeed the case."
Hearing this, Zhou You said curiously: "What do you mean by being too narrow-minded? Okay, you'll be a little tired for now. Look at this side by yourself, and I'll explain it over there. Everything else is fine. How come Uncle Shen can't even be redundant?"
To avoid...the balloon went up to the sky without even taking it down, it was too dangerous. I should have kept watching first."
After saying that, Zhou You quickly ran towards the crowd, pulled over Shen Moxin who had just landed in the airship, and then called Shen Ling and the engineer Tian Hua and others on the side to explain clearly what he had added.
Recommend a book: Going back is not for that kind of thing
Author: Ling Lingyi
Introduction: "Do you believe me when I say I just came back from a few hours in the future?"
"Are you sleepy?"
"Although it's a bit presumptuous, I still want to confirm that today is white, right?"
"You! What are you talking about?" Mu Jin blushed, crumpled the tissue in his hand and threw it away.
The paper ball hit his face, and Xia Mu sighed: "You misunderstood, I did this to save mankind..."