RPAGF Chapter 803 That’s it!
Chapter 803 That’s it!
Teacher Shunshou, who had been stopped, climbed out of the car with an innocent look on his face, looked up at Jiang Xia through the window, and said in a louder voice than Jiang Xia, "Engineer Jiang! What kind of talk is that? How are we being unfair?"
"Stop pretending to be confused!" Jiang Xia waved the letter in his hand. "How come these three-component strain balances and high-speed cameras are all my tasks? I've given you the blueprints and principles. You seven institutes are full of talented people, so do it yourselves!"
"We don't understand!" Teacher Shunshou spread his hands, speaking with self-righteousness.
"You're kidding me! You guys who fly airplanes, how could you not understand the basics of electrical signal measurement?" Jiang Xia said angrily.
Teacher Shunshou remained reasonable, pointing upstairs and shouting, "Understanding electrical signals doesn't mean you understand how to convert mechanical deformation into electrical signals!"
"What's a strain gauge? Is it constantan or nickel-chromium? What kind of glue do you use to attach it? What if it's misaligned? How do you balance the bridge circuit? If it keeps drifting after adjusting it, will the measured data be accurate? Also, for signal amplification, what kind of transistor do you use? What amplification factor should you adjust? I've never handled any of this before!"
Jiang Xia was practically jumping up and down the stairs in a few strides. Using the snowflakes from the jeep's hood as a springboard, he began sketching a simple diagram:
"What don't you understand? The core is to make the path of 'mechanical deformation → resistance change → voltage signal' accurate and reliable, right?"
"For the strain gauges, attach two plates to each square column to form a three-way Wheatstone bridge. Output U1 measures lift, U2 measures drag, and U3 measures pitch moment, thus achieving decoupling of the three components, right?"
"The principle is the principle, and the implementation is the implementation!" Professor Shunshou's voice carried a hint of grievance. "How do we select strain gauges? What are the intricacies of the bonding process? How do we balance the bridge circuit? How do we amplify, acquire, and record such a weak signal? We are complete laymen in these areas!"
"Jiang, if you don't help us build this core measuring balance, we won't be able to obtain quantitative data for the wind tunnel experiment; without accurate data, the blended wing-body aerodynamic design is out of the question; if the new aircraft is delayed because of this..."
Okay, so here's a chicken-and-egg game, isn't it?
Jiang Xia suddenly realized.
Yes, in this era when majors like Electronic Science and Engineering and Electronic Information Engineering haven't even been named yet, it's perfectly normal to lack a systematic knowledge base for cutting-edge technologies like strain gauge measurement that involve weak signal processing.
Strain gauge sensitivity coefficient, Wheatstone bridge, differential amplifier, analog-to-digital converter... these are common sense to them, but for today's top engineers, they are a completely unfamiliar field waiting to be explored.
Jiang Xia was still puzzled: "Even if you don't understand, you can stay and ask me questions. I can give you all a group lesson! Why are you all running away faster than rabbits? This isn't like your meticulous style!"
Upon hearing this question, Professor Shunshou toned down his exaggerated expression and did not answer immediately. Instead, he pointed to several newly painted "Confidentiality Rules" on the white wall of the office building.
But after hesitating for a moment, remembering the personal instructions of a certain big shot, he leaned close to Jiang Xia's ear and whispered a few words quickly.
Jiang Xia's expression gradually changed from doubt to surprise, and then to a complex understanding. He nodded and did not stop him.
"Alright, alright! I'll make the first batch of balance scales for you! But let's make it clear, this is the only time! You'll have to learn the rest on your own, you can't always rely on me!"
"Also, I'm going to the Institute of Optics and Electronics tomorrow to check out the high-speed camera, so I'll take care of that too!"
Upon hearing this, Teacher Shunshou immediately smiled, bent down to pick up the bedding roll, and stuffed it into the jeep: "No problem! Just once! Hurry up and finish it, then send it to shed number 3!"
After saying that, he stepped on the gas, and the little Jeep sped off, billowing black smoke. He didn't forget to stick his head out of the window and shout, "Thanks, Xiao Jiang! See you in Mianzhou!"
Pshaw! I'd never go to Mianzhou. I'd just get mocked by some big shot again. Plus, I haven't finished my assignment from last time; I'd be too ashamed to even show my face in front of anyone…
Wait, no, the laser rangefinder has been developed, and the laser gyroscope is almost finished. If it weren't for the large optical cinema theodolite taking up too much of the Institute of Optics' time, it might already be installed on the Type 59.
Or, we could take these two things to Mianzhou and let that person who made someone start graduate school at fourteen see what a mechanical dog is capable of!
Thinking of this, Jiang Xia chuckled again.
Wait a minute, according to this expert's description, his girl seems to be developing in the way he described.
If Jiang Qiu hadn't said she wanted to be an architect, Jiang Xia would have been tempted to pack her up and send her to work for a big shot right now.
Seeing Jiang Xia's complex and ever-changing expression, Lao Wang, who was standing next to him, worried that he was thinking about some complicated problem again, and didn't dare to speak.
Only after sitting down in the office did Old Wang ask seriously, "You said you were going to the Institute of Optics and Electronics tomorrow, is that true?"
"What?"
"We'll have to see how things develop. Maybe we should stay put for the next couple of days, and wait until everything's settled before heading out!"
"So, you know about the young lady's upcoming marriage, huh?"
Jiang Xia raised his head, his previously somewhat melancholy expression replaced by ecstatic joy!
"Yes, you're from the lair, you must know! Humph, Old Li told you but didn't tell me, I had to piece it all together from the smallest clues. Sigh, you guys are really good at hiding. But no matter how well you hide, you can't escape my eyes!"
Old Wang looked at Jiang Xia, who had started circling the table, and didn't know what to say for a moment.
"You... what clues have you found?"
"Ha! Of course it's the high-speed camera and optical cinema theodolite from the Institute of Optoelectronics. I was wondering why, with Professor Daheng here, a mere rangefinder takes so much time to develop."
"They must have put a lot of effort into the high-speed camera that can measure the 'Miss's' weight! And today, the researchers from the Seventh Institute left without saying goodbye, and so quickly. They must have been sent to modify the Tu-16's bomb bay to make the 'Miss' more comfortable!"
"Did Comrade Shunshou whisper this to you just now?"
"No... he only said that two big shots were going to give them a lecture, so he was in a bit of a hurry."
"Hehehe, everyone knows that guy's lectures are the worst. Even though he explains things carefully, you still won't understand. He's nowhere near as good as mine!"
"So, the reason they're rushing there is definitely because the young lady has finished making it! And they certainly want to go a step further and have the sedan chair made!"
Jiang Xia smugly pulled out a cigar, put it in his mouth, looked at Old Wang, and struck the classic pose of someone who loves solving murder cases.
“Uh…” Old Wang carefully chose his words.
"I didn't understand any of your analysis..."
"I just wanted to tell you that Li Huaide reported that his father-in-law might have sent someone down, and we were planning to wait for them to come to us..."
"(⊙o⊙)..."
"Thank goodness Secretary Liu wasn't around..."
"Hehe, that's true..."