It is said that this kind of cowhide is concocted from the unique black cowhide of Beizhou, the black cowhide itself is thicker than the ordinary cowhide, after concoction, it has quite excellent defense, made of armor and worn on the body, it is difficult to penetrate the bow and arrow thirty meters away, and its effect is even comparable to the general thin iron armor, but the number of black cattle is not much, the production is limited, and it cannot be equipped with a large number of troops.

There are also ropes, which are also specially made, which are doped with animal tendons, which explain the wear-resistant, and also have a certain anti-slip effect.

Among all the components, the most complex is the power system that Lin Mengsheng and Wang Jinbao are responsible for, Lin Mengsheng changed the previous kettle-like generator to a shape similar to a long-spout teapot, the upper spout is larger, about 30 centimeters in diameter, aiming at the air bag to pour the generated mist into it, and the lid adopts a spiral closure mechanism, which can withstand a certain pressure.

The other has a spout more than one meter long, about five centimeters in diameter, and a propeller like an electric fan is connected in front of the spout in a welded and screwed way, and the propeller is blown by the fog generated to form a propelled air flow to provide forward power for the fog balloon, the most difficult of which is the installation of this propeller, after all, the size of this thing is not small.

In the end, Lin Mengsheng thought of a way, that is, to change the main frame of the hanging basket to metal materials and extend it, that is, four iron bars at the four corners of the hanging basket are extended upward, and then the top is connected and fixed horizontally to form a stable cubic structure, and then the pusher is fixed on the iron frame.

It's a bit clumsy, but it does solve the problem at hand.

Listening to Wang Jinbao's narration, Yuan Fang came to the assembly site, carefully looked at the latest model of propeller, and after a while, turned his head and asked Wang Jinbao: "After the lid on the top is closed, is the airflow of the propeller behind it big?" How long does it take to go from standstill to accelerate to the limit? ”

Wang Jinbao thought for a while and replied: "The airflow is not bad, but the acceleration is a little slow, and it will take a while." This can't be helped, this is to push the gondola and then drive the airbag by the gondola to generate speed, if the initial thrust is too large, the overall structure of the fog balloon will be offset and lose the center of gravity, so this process can not be too fast. ”

Yuan Fang nodded, this is what he didn't expect, he also wanted to increase the pressure of the fog or increase the volume of the propeller to create stronger power, but now it seems that it obviously won't work.

Yuan Fang touched his chin and pondered for a long time, then pointed to the thruster and asked, "What if I want to stop after accelerating?" ”

Wang Jinbao scratched his head: "If you want to stop, as long as you close the air outlet in advance, the propeller stops rotating, and you can fly a distance without propulsion." ”

Yuan Fang had a different opinion, shook his head and said: "What you said is only suitable for weather that is not too windy, what if there is wind?" When the thrusters are turned off, the fog balloon will drift with the wind, and it is a bit unrealistic to land at the designated location. ”

Wang Jinbao nodded and said: "That's true, we haven't reached that step yet, and now we're just testing the effect of the thrusters." ”

Yuan Fang frowned and said, "We don't have much time, we need to speed up the progress." ”

Wang Jinbao was surprised and asked, "Time is running out?" ”

Yuan Fang didn't explain, nodded with a solemn expression, Lin Mengsheng's achievements during this time are not insignificant, but he still can't satisfy Yuan Fang, it's not that Yuan Fang thinks Lin Mengsheng is lazy, on the contrary, Yuan Fang is very satisfied with Lin Mengsheng's dedication, and appreciates it, he is not very satisfied with the progress, this is to blame anyone, the first time he comes into contact with the aircraft, Lin Mengsheng is already quite good that these people can do it to this extent, tracing the source of Shuo, or the time is pressing, there is not enough time.

Grunting, a familiar voice sounded, Yuan Fang glanced back at Xia Yi, who was blushing, and said gently, "Hungry?" ”

Xia Yi nodded embarrassedly, they didn't eat much at noon, they kept hurrying, and it had been more than half a day now, and it was a lie not to be hungry.

Yuan Fang rubbed his stomach and said, "I'm hungry too, Steward Wang, can you see if you can get us something to eat?" ”

Wang Jinbao was full of guilt, he also thought that Yuan Fang had eaten in the military camp under the mountain, the two adults who came here before were like this, so they never mentioned eating, and now when they heard Yuan Fang open his mouth to eat, Wang Jinbao was embarrassed, how to say that he is also half the master here, although Yuan Fang They are not outsiders, this is also a bit unreasonable, and hurriedly saluted and said: "It's the lower officials who are negligent, Lord Yuan waits, I'll go and arrange a banquet." ”

Yuan Fang waved his hand: "Don't be so troublesome, just get something to eat to fill your stomach." ”

Wang Jinbao left, Ouyang Xianxue looked at the hut behind him, pouted and said, "This black boy, we haven't been here for so long and can't get up, I'll call him." As he spoke, he walked to the hut in a huff.

Yuan Fang didn't stop it, he couldn't wait a little longer, so it was good for the little girl to call Lin Mengsheng up.

The little girl pushed open the door and walked in, habitually lifting Lin Mengsheng's quilt, the little girl regretted it a little at that time, after all, this is not Yuan Fang, what if this kid is not wearing clothes? That would be embarrassing.

Fortunately, Lin Mengsheng was wearing clothes, and he was wearing a lot, cotton clothes, cotton pants, and cotton socks, which showed that this guy had to be tired of something, and he fell asleep without even taking off his clothes.

Seeing that Lin Mengsheng was still asleep, the little girl went up and patted Lin Mengsheng's increasingly thin black face, and whispered in his ear, "Hey, get up." ”

Lin Mengsheng turned over in a daze, pulled up the quilt and covered his body, and said, "Don't make trouble, let me sleep for a while." ”

The little girl rolled her eyes, thought about it, pushed Lin Mengsheng's back and shouted loudly: "It's on fire, get up quickly." ”

Lin Mengsheng, who was in a daze, sat up when he heard this, pushed away Ouyang Xianxue, who was startled, and strode out without even wearing shoes, and asked as he ran: "Where is it on fire?" Are the balloons okay? ”

Running out of the hut, Lin Mengsheng saw a group of people standing outside, and subconsciously scolded: "Why don't you go to fight the fire, what are you doing standing here stupidly?" With that, he ran out.

Yuan Fang grabbed Lin Mengsheng, who was still in a daze, and said with a smile: "It's not on fire, don't worry." ”

Lin Mengsheng stopped, looked back at Yuan Fang, and after a while, he reacted, and said in surprise: "Boss Yuan, why are you here." ”

The little girl was pushed by Lin Mengsheng just now, came out with gritted teeth, and pointed at Lin Mengsheng with a face full of grievances and said, "Black boy, you dare to push me." ”