Seeing that the land of Isis Space has grown green wheat seedlings again, they must be the remnants of an unclean harvest.

Xiao Yifei said to himself:

"That's not going to work, it looks like the electric machine has to be made right away."

But then he shook his head again, in fact, it is still very easy to change to an electric car, just like an electric tricycle, isn't it just to replace the gasoline engine with an electric motor and the fuel tank with a battery. But in fact, it is not easy, tractors are generally tens of horsepower, if the success rate of the motor is smaller, but the battery is a big problem. The batteries used in tricycles cannot provide that much power, and even several battery packs in series and parallel cannot support it.

Xiao Yifei went online to check whether there were electric tractors in the United States, and he checked that there were really them, but unfortunately they were all the size of a lawnmower, and the power was not much better than that of an electric three*.

As he searched more deeply, he found that the electric tractor or electric machinery actually appeared quite early, earlier than the gasoline engine. According to the data: as early as 1873 in the second half of the 19th century, the Englishman Robert ? David made the world's first practical electric car. More than 10 years before the Germans Daimler and Benz invented the gasoline-engine car.

A few links jumped, he actually ran to the promotional page of Tesla's electric car, he searched for Tesla's R electric sports car, this car can have more than 200 horsepower, and the battery life can reach more than 300 kilometers, Xiao Yifei's eyes lit up, the motor and battery system of this thing can definitely support a tractor.

But after a careful study of this thing, Xiao Yifei found that it was a little unrealistic, first of all, Tesla's sports car uses a lithium battery, not a lead-acid battery that can be tossed casually, Xiao Yifei was also a kick person before, he still understands the shortcomings of lithium batteries, one is not good, what explosion, burning will come to the door.

Second, Tesla's sports car is advanced in his battery control system, because Tesla uses a special battery in lithium batteries, it is said that the voltage is higher or lower than a certain value will overheat, therefore, although this kind of battery capacity is large, the notebook that used it before has broken out the news of battery combustion explosion. And Tesla dared to choose it for the sake of battery life, because Tesla has a unique battery control system. If the battery control system, battery, and motor were to be removed from the car and transplanted to the tractor, Xiao Yifei felt that he should not be able to handle such a complex project.

Third, a Tesla is actually sold for $100,000. In order to get an electric tractor, I went to buy a 100,000 car, and then dismantled it in pieces, which is too loser.

Xiao Yifei thought about it, but still gave up this plan, and he still returned to the search for electric tractors.

Soon he found a document, saying that electric tractors appeared at the end of the 19th century, and looked at the pictures, only to find that the electric tractors at that time did not use batteries, but directly used wires to provide electricity, that is, when the tractor was working, there were long wires dragging behind it.

Xiao Yifei's eyes lit up, isn't this the best solution at present.

Although it is indeed very inconvenient and dangerous to drag such a line to work in the field, Xiao Yifei basically does not have this problem here, because his land is only 60 meters wide, as long as a higher bracket is welded on the tractor head, there will never be a situation where the tractor runs over the wire. If it's more advanced, get an automatic tensioner or something, and that's even more fine. If you are willing to invest, you can set up a transmission grid above the entire plot, and let the tractor stick out two small pigtails like the trams in the city used to, so that it is absolutely safe.

Xiao Yifei first studied the tractor he bought in China, and found that the 50-horsepower diesel engine used was 2200 rpm, so he only needed to find an electric motor with similar power and speed, install it on the tractor, and set up the cable.

Do what you think. Bee Hill is David's office, and if there is a problem with the winery's tractor, it is usually repaired by David himself, and if it is really not repaired, it will be towed to the repair shop for repair. And the place where they repair it is here is Beehill.

Now that the vineyard had nothing to do, and all the vineyard workers had gone home for vacation, he swaggered out the tractor and removed the diesel engine of the tractor with the help of Davy's equipment and machinery.

After shopping for a day the next day, Xiao Yifei found a suitable motor, but unfortunately the output shaft of the motor is different from the output shaft of the diesel engine, and the size of the joint connected to the clutch is different. So after dispatching the welding torch and other tools, an ugly joint was finally completed.

After two days of tossing, an electric tractor was born.

The most bizarre thing about this tractor is that it has a tall bracket, just like the mast of a ship. Connect the cable, plug in the power supply, Xiao Yifei carefully sat on the tractor, stepped on the clutch, closed the switch, the motor immediately buzzed and rotated, Xiao Yifei carefully released the clutch, the tractor immediately drove forward, Xiao Yifei immediately stepped on the clutch, tried to change gears, and found that there was still a little problem.

The original tractor with the diesel engine has 350 kg, and the motor is only 220 kg, so that the front of the tractor is more than 100 kg lighter, we all know that the tractor is rear-wheel drive, the original manufacturer designed the tractor center of gravity and other problems must be in accordance with the diesel engine, after the replacement there are signs of the tractor head upturned, especially at the moment of starting, it is obvious that there is a tendency to look up.

Now the no-load is like this, if you add heavy loads later, such as deep ploughing, etc., the upward trend will definitely be more obvious, maybe there will be a back roll directly, then Xiao Yifei's safety will not be guaranteed.

However, the solution to this problem is also very simple, that is, to increase the counterweight in the tractor head, after welding a large iron block of more than 100 kilograms to the tractor head, there is no such problem in the test again, so Xiao Yifei happily received the tractor into the Isis space, and after some wiring, Xiao Yifei's electric tractor began the first deep ploughing test.

With the hum of the motor, the tractor drove in the field with the machine plow, and Xiao Yifei smiled happily when he saw the land that was turned over behind him.

Xiao Yifei simply plowed all the less than 1 acre of land again, believing that after this deep ploughing, no wheat seedlings would survive.

Overall, Xiao Yifei's transformation is still relatively successful, but there are still two regrets, the first is that the throttle no longer works, and the tractor now only has a fixed speed. The second is that wires are indeed a burden. Despite the mast, care had to be taken to ensure that the ploughshare would not snag the wires. And the wire is dragged on the ground for a long time, which must not have a long life and is easy to leak.

For the first point, Xiao Yifei couldn't figure it out, he couldn't figure out how to control the speed of the motor, and for the second point, after thinking about it, he finally thought of a way that was not a way.

After some tossing, he made an electric take-up and pay-off system. Excess wires are not placed on the ground, but are attached to the tractor with a cylinder that can be rolled. After careful testing, he determined the speed of the system's take-up and pay-off line and the coordination of the tractor gear. When the tractor leaves the joint, the tractor head releases the wires so that they do not drag on the ground. When the tractor drives to the joint, it can reel the excess wires onto the cylinder, so there is no need to worry about the plowshare getting caught in the wires.

Proudly driving the tractor to level the ground again, Xiao Yifei set his eyes on the combine harvester again.

He thought that the conversion of the combine harvester must be complicated because there were moving parts everywhere, and he thought that he would have to install separate electric motors for each part. As a result, after disassembly, it was found that a large number of belt drives were used inside, and the main part was similar to that of a tractor. So after a few more days of tossing, a weird combine harvester was born again. Although there are no crops for him to harvest and test now, he idled and tested a few laps and found no major problems.

After the initial realization of agricultural mechanization and mechanical electrification in the space, Xiao Yifei happily sowed wheat on the two plots scheduled in the space, and there will be good things to taste next year.