Lin Xiaotong is truly speechless.
She finally got her brother-in-law to give her some pointers.
But the more they talk about it, the less reliable it seems.
A bicycle with gears? What gears?!
Lin Xiaotong simply couldn't fathom what her brother-in-law was rambling on about.
I'm speechless.
If you don't want to help, just say so. Don't make fun of yourself, okay?
Lin Xiaotong stopped talking and drank silently.
This was beyond my comprehension; I felt my brother-in-law was unreliable.
Lin Xiaoru's computer crashed.
She couldn't even imagine how a bicycle could change gears.
It's simply unbelievable. Her husband is great in every way, but when he's with Lin Xiaotong, her IQ drops drastically.
So she stopped caring, quickly ate a few bites of food, and took the children to play in the yard.
You two can do whatever you want, I'm not going to care anymore.
Wu Changfeng looked at it and exclaimed, "Oh my god, what do you mean by this?"
I said, "It's not like it's an alien spaceship, is it that hard to understand?"
Later, Wu Changfeng thought about it and realized that it made sense, as this type of bicycle with gears originated in Europe.
Not to mention mainland China, it hasn't even become popular in Europe yet.
In later generations, multi-speed bicycles became incredibly popular and became a standard feature of bicycles.
Without a gearshift, you'd be embarrassed to even greet people.
Of course, multi-speed bicycles are also very practical.
In later generations, a bicycle can sell for tens of thousands of yuan, not only because the materials used in its frame are more advanced, such as carbon fiber and light steel, but also because of these superior materials.
The more important selling point is the integrated transmission system.
In other words, a multi-speed bicycle is a racing bike with narrow wheels, designed to minimize the weight of the bike and make it easy and fast to ride.
The function of a bicycle's gear system is to change the speed by altering the combination of the chain and different sizes of front and rear sprockets.
The size of the front and rear sprockets determines the effort required to pedal a bicycle. The larger the front sprocket and the smaller the rear sprocket, the more effort is required to pedal.
The smaller the front sprocket and the larger the rear sprocket, the easier it is to pedal. Depending on the rider's ability, the speed of the bicycle can be adjusted by changing the size of the front and rear sprockets, or to cope with different road sections and conditions.
The flywheel is an important component of this.
When you stop pedaling, the chain and outer sleeve stop rotating, but the rear wheel continues to rotate forward due to inertia, causing the flywheel's internal teeth to slide relative to each other, thus compressing the core into the core's slot, and the jack compresses the jack spring.
When the jack tooth slides to the tip of the flywheel's inner tooth, the jack spring is compressed to its maximum. Sliding slightly forward, the jack is bounced onto the tooth root by the spring, producing a "click-click" sound. As the core rotates faster, the jack quickly slides along each flywheel inner tooth, producing a "click-click" sound.
When you pedal in the opposite direction, the outer sleeve rotates in the opposite direction, which accelerates the slippage of the pawl and makes the "click-clack" sound more rapid. The multi-speed freewheel is an important component of the bicycle's gear system.
A multi-stage freewheel is based on a single-stage freewheel, with several additional sprockets added. These sprockets are then combined with the sprockets on the bottom bracket to create various transmission ratios, thereby changing the speed of the bicycle.
Therefore, in later generations, the favorite activity for students riding bicycles was to see who could pedal the fastest.
The clicking sound continued incessantly.
The position of the chain and freewheel is constantly changed to achieve a faster riding speed.
Of course, frequent changes could very likely cause the chain to break down.
In his previous life, Wu Changfeng had bought a multi-speed bicycle; in his hometown, these things were called "big bikes."
The frequent, boastful gear changes caused the chain to become stuck.
The shift lever is worn out.
No matter how I try to fix it, I can't get it fixed.
This is partly due to the manufacturers' shoddy workmanship.
I bought a no-name brand back then, and I can't even remember what it was called now; it's long been forgotten by history.
Of course, there are also rising stars. Not to mention Phoenix and Forever, there are also brands such as Dahon, Giant, XDS, Trinidad, and so on.
It's important to know that at this point in time, Phoenix Forever is still making the old-style bicycles, with little change.
At most, they've only released a few new body structure models.
But at this moment, the 28-inch bicycle is still more popular.
Nothing more than its sturdiness and durability.
Little did anyone know that years later, this old-fashioned bicycle, which had been phased out on the mainland, would rise to prominence in Africa.
What a cruel twist of fate!
Wu Changfeng is very confident in his ability to ride a multi-speed bicycle.
They even considered having the Morning Star produce the product.
Wu Changfeng was willing to do anything that could make money.
As for technical issues, those are not issues at all.
Although Wu Changfeng didn't quite understand, he still knew exactly what it looked like.
Once you've drawn a rough outline, just hand the drawings to the Jiangcheng Research Institute, and they'll fill in the details themselves.
You know, you can't expect them to farm in the Jiangcheng Research Institute.
But studying mechanical structures is perfect for them; it's exactly what they excel at.
Although most of them work in the electronics industry, quite a few of them are mechanical engineering majors or have chosen to study mechanical engineering.
Lin Xiaotong was still drinking alone in silence.
Wu Changfeng sighed, "I'll let you take off one more time."
"No." Lin Xiaotong shook her head. "I'm afraid I'll fall too hard. I really didn't mean anything by it, the bicycle gears... it's a bit..."
"Well, I know what a gearbox is like in a car, but we can't exactly put a gearbox in a bicycle, can we?"
"This is too strange, and the cost is unbearable."
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