In fact, the manufacturing process of the tractor is not as exaggerated as Bai Fan said, because the skeleton and many parts of the outside do not need such good steel, and even some parts can meet the standard with pig iron.

The real technical difficulties are the small and delicate parts, as well as the very demanding core components.

For example, the core part of the diesel engine, the cylinder block must be stainless steel that will not leak, and this non-leakage is not the kind of air leakage seen by the naked eye, but the kind that is really related to the density of steel.

There is also a curved rod piston, which must be good aluminum, so Bai Fan deliberately asked the Momen disciple who studied physics to use the black technology of hand-cranked generators to make a batch of electrolytic aluminum.

There is also the fuel injector of the engine, this little thing may not be understood even if it is given to the blacksmith of Datang.

In addition, like various bearings, springs, screw nuts, etc., these things have different requirements for steel, not blast furnace steelmaking, relying on Datang Hundred Steelmaking to produce, even if the material strength is enough, but it will also be because of the output of Hundred Steel, and the output of machine parts will be stuck, after all, how much does Datang produce in a year? There are also differences in the specifications of the parts made by craftsmen, and so on.

Bai Fan used better thousands of steel, not for show, purely for the sake of a hit, at least let this thing dry over 100,000 acres of breeding base, for the sake of safety, and even built a pair of each part for maintenance and replacement.

It was another three days of non-stop busyness, not only the people in the foundry couldn't bear it, but even the two Li brothers, who had been reluctant to leave, were always with them, and they were reluctant to miss the day when the artifact was born.

"How's it going? What about artifacts? What about artifacts? Li Er, who suddenly woke up from his sleep, shouted, this thing even dreamed about the tractor.

He and Li Jiancheng couldn't bear it, so they fell asleep in the foundry, and after Bai Fan and the others finished casting, they were all so tired that they collapsed, and they meditated and practiced on the spot one by one to rest, and they were also awakened by Li Er's shouting.

"Wait a minute, assemble this thing, with my hand speed, it will take about half an hour, but we still need to transport this pile of things directly to the field, and I will assemble it in the field.

The first is to keep it secret, this thing can't be seen, and the second is to just put it up to try the effect and see how many acres can be cultivated in a day? Bai Fan got up and said.

So after some orders, Bai Fan took a few carriages, and everyone went straight to the breeding base in Chang'an County, where Wei Chigong had already led an army of 20,000 right guards to protect it.

As early as in the past ten days, Bai Fan asked a group of people from Daomen to engage in chemistry, and the small workshop refined a batch of high-quality diesel, and it was a large group of people under his hand to do technical support that Bai Fan had the confidence to bring the black technology of diesel engines to Datang in one fell swoop for implementation, otherwise, even if he had the most detailed data for the engine in the library, it would be difficult for a person to do anything.

An hour later, Bai Fan painstakingly finished assembling a behemoth, although there are detailed drawings and three-dimensional models, but knowing is one thing, being able to do it is another, originally thinking that it could be installed in half an hour, who knows that it is enough for an hour, this is still a group of masters who continue to help hand over tools.

Li Er, Li Jiancheng, and Wei Chi Jingde, who were onlookers, had been patiently watching the atmosphere and did not dare to come out, for fear of disturbing Bai Fan, looking at a bunch of disorganized parts, which slowly turned into a behemoth more than one person tall under Bai Fan's hands, presumably no one present was not shocked.

That's right, it's more than one person tall, Bai Fan is not a small walk-behind tractor this time, but a real big guy, a large tractor with four wheels and nearly fifty horsepower.

Many of these parts, if it weren't for a few strong kings to work, ordinary people wouldn't be able to handle it at all, such as the huge flywheel.

"Jane, have you forgotten something?

You haven't installed this zigzag part yet. Li Er asked, pointing to the only remaining part on the ground.

Bai Fan smiled: "This is a key, if you want to start the tractor, you have to rely on it." ”

Saying that, Bai Fan asked Li Yuanba to pick up the diesel fuel and fill the fuel tank, and walked over to pick up the long arm-thick rocker on the ground.

That's right, you read that right, it's the car key of the tractor - the crank!

Someone will question, just kidding, a tractor with fifty horsepower, powered by manpower with a crank handle? Neurotic bar.

It's not a neurosis, it's not a show, as we all know, large tractors are started by electric ignition, where have you seen a hand-cranked start, only small, less than twenty horsepower have a crank.

That's because the tractor starts to rely on the inertia of the flywheel to drive the diesel engine, the greater the horsepower, the heavier the flywheel, and the small hand-held flywheel weighs more than 90 pounds, not to mention this behemoth, it is basically difficult to start by hand.

But there is no way, even if Bai Fan wants to play with Datang's black technology, but the battery and electric lighter are not something that can be made in an emergency, so they can only make do with the soil method and start it by hand.

As for who can start this fifty-horse machine by hand, hehe, I'm afraid there are really not many in the world, but fortunately, there are three of them.

Running with his own strength, Bai Fan carefully broke the pressure reducing switch and slowly started the engine.

Everyone on the side stared at all this, silently shouting in their hearts that they must succeed.

I saw that the flywheel of the tractor was spinning faster and faster, and slowly a sound began to come, and black smoke was spewing out from the black chimney next to it, like a person who had just woken up and was choked, with Bai Fan shouting, he released the pressure reducing switch, and at the same time pulled out the car crank.

A burst of voices sounded immediately, and the behemoth was activated in an instant.

Just as Bai Fan activated this iron bull, this huge iron bull actually came to life, constantly trembling, roaring, and snorting thin smoke.

Where have everyone around seen this, Qi Qi was frightened back several steps, and there was only one thought in his heart, is this guy Bai Fan still human? Can a bunch of iron lumps be revived?

Bai Fan threw away the rocker, jumped on the giant tractor, sat on it and touched the unfamiliar and familiar steering wheel, looked up to the sky and laughed, he had seen the steering wheel of countless vehicles in his previous life, but today felt the best, because this thing was made by himself.

From this moment on, Datang was completely brought into the era of black technology by Bai Fan, and even directly crossed the era of steam and entered the era of internal combustion engines.

"Ladies and gentlemen, let me show you the true power of this tractor, Mercedes, my first car!"

The gear loosened the clutch brake, stepped on the accelerator, and a cloud of black smoke erupted from the chimney again, and the tractor was like a four-wheeled iron horse, carrying Bai Fan immediately galloping up in this wide and flat breeding base, although the maximum speed that this thing could run in this field was only twenty or thirty miles, but these did not affect Bai Fan's long-lost driving passion, nor did it affect the worship of these stunned bystanders.

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(End of chapter)