Era: Retired from the army at the beginning and returned home.

Chapter 119 What kind of comfort do you want?
If the car does not have a front, the engine basically has to be installed under the seat, and some van engines of later generations are installed in this way.

But what Luocheng produces is not a van, but an electric car similar to Old Tou Le.There are fewer things involved in electric vehicles, no engine is needed, and the electric motor is small in size.No fuel tank required.

Therefore, there is no need for the front of the car, and the height of the interior space is sufficient.

When Luo Cheng yelled in the workshop just now, a nearby apprentice who was not alive at the moment came over.A little farther away, seeing someone approaching, they didn't go forward.

The engine is the smallest gasoline type, and there are fuel tanks and water tanks.Luo Cheng asked the apprentices to bring one of each item.How to place it in the open space according to the position you imagined.

At this time, Luo Cheng's head was a little too big, and the body had to be heightened according to the initial design.Because there is no heightening, there is not much distance between the engine and the seat.The current engine vibration is still severe, so springs are added under the seat to absorb the shock.

If the chassis is lowered, the performance will be affected. Maybe even a stone with a height of [-] to [-] on the road will not dare to drive over it.

"Okay, let's put it down first. If any of you go to Director Zhang, just say that I have something to ask him."

"Leader Luo, let me go."

An apprentice responded, carefully put down the erected engine first, then trotted out of the workshop to call the factory manager.

Seeing the apprentices running out, Luo Cheng suddenly felt that he seemed a little strange. According to the past situation, if something happened, he would call the factory manager himself.Although I call others to go now, I want to have more time to think about the problem.

Ma Yuan must have gotten used to being with Factory Manager Zhang, and also learned his way of ordering others when he has something to do.This behavior~~ seems to be a bit cool, but it is not deliberately calling others for the sake of coolness, but instinctively feels that my time and work are more important, and I need to call people to cooperate with me.

It didn't take long for the factory manager to follow the apprentices.

"Little master, please trouble you, factory manager, I have a few questions I want to ask you."

Luo Cheng first thanked the apprentice who ran the errands, and then said to Director Zhang.

Seeing that Luo Cheng was holding the drawing and the things on the ground, Director Zhang nodded. If it was a design problem, he felt that Luo Cheng would ask for nothing. If it was something else, he should be able to give a reference. Opinion.Now it's time to discuss work issues, and Director Zhang also got serious, listening to what Luo Cheng wanted to ask.

"The problem is this. At the beginning of the design of this cube car, I wanted to put the engine and other configurations under the seat. But I didn't consider the problem of heat dissipation and vibration, but if it was added, the height of the car was designed at the beginning. People with taller stature may reach the roof of the car when entering. But if the car body is heightened, the wind resistance will increase, especially when the wind is blowing and turning.”

Luo Cheng asked his own question, which is not a design problem, and Director Zhang understood it as soon as he heard it.The engine has to run for a while, and you can see how hot it is by touching the hood.

But the picture drawn here is not directly sitting on the engine.

"How high are the compartments and cushions you're writing about?"

"The seat cushion is more than ten centimeters, and the compartment is also more than ten centimeters. The shock-absorbing spring is installed in the seat cushion, and the distance between the compartments is high, so the temperature will not be too hot."

"Reduce some sizes, will it be useful?"

"It can be useful, but the effect will be much worse."

"That's fine. It's still too hot. How does the vibration compare with a tractor?"

Compared with a tractor, we are a car, so it can be compared.There is no difference between driving a tractor and directly driving the engine, but it is right to think about it this way. I am too entangled in comfort. Cars of this era have no sense of comfort.

Today's cars don't have air-conditioning. When it's hot, everyone is sweating while driving. At most, a small fan is installed in the car. It's easy to pour out a line.

However, fans are also in short supply in the market, and there are not many ordinary urban residents with fans.In hot weather, cattail fans are always in hand, and they just hide in the shade to enjoy the coolness.

If you want the comfort of your Malaysian ringgit, cars with tens of thousands of yuan do not have air conditioning.I'm only a few thousand yuan, and at most it's a little warmer, and it can be used as an air conditioner in cold weather.

I'm completely in a dead end, 'solved' the heat insulation and vibration problems, just get the steel, and then transfer a group of people to weld the manual chassis.The body is light in weight, and as long as the welding technology is good, some structures do not need a press to produce at all.Even many chassis parts of the car are not integral, some are welded, and some are even connected by screws.

To transfer people, go directly to the machinery factory, or other factories that have welders to transfer welders.

In Ngee Ann, if you need a welder, you can only think of a machine factory.Other cities have rolling mills, shipyards, or construction units for bridge work.But in Ngee Ann, there is nothing you want.

Fortunately, it is not mass-produced now, as long as a few people are transferred over.When the real car is built, there is no batch of welders, so don't even think about mass production.

Luo Cheng began to draw and calculate the size and structure of the chassis, and as soon as the steel materials came, the work could start.

One afternoon, Luo Cheng found that it was gone after just a little tossing, but he was still satisfied with the progress, at least the problems he created were no longer serious.

But if you want to pass the road test, you must get the hydraulic shock absorber out, and the principle of this thing is very simple.It can be said that it is an upgrade of the structure of the bicycle pump. Anyone who has used the pump knows that it is very laborious to press the pump down when the gas is full.

The principle of this hydraulic shock absorber is like this. It belongs to a closed air pump. The pressure of the air alone will be very high, but if the air is replaced with liquid, the pressure will be even greater. However, because it is a sealed device, it cannot be pressed down when it is pressed down. , etc. make a few holes on the piston rod, referred to as the flow valve.

If you want more pressure, make the hole smaller, and if you want less pressure, make the hole bigger.The shock absorber is covered with a layer of springs to form double shock absorption.Moreover, the outer spring cooperates with the hydraulic pressure to form an automatic pull-back effect.

A small car can be equipped with one wheel hub, and a large car with heavy cargo or the body itself can be equipped with two or more.Therefore, such a thing does not need to consider the size of the car at all, and can be directly produced in one specification without thinking.Unless it is a special large vehicle, engineering vehicle, etc., it is better to only customize it individually.

This is a post-addition device. With this, as long as there is no problem with the quality of other parts, road inspection is not difficult.Like a step tens of centimeters high, your current car directly drives down. The vibration effect depends on a spring, which cannot remove much force at all. Not to mention the discomfort of the driver, the vibration force may also be distributed to the bearings. above.

Why does the bearing deform in the car at the bus station, causing the direction gear to get stuck.The hardness of the bearing material is one aspect, which cannot be solved by current technology.But this is also related to the bad roads and frequent vibrations.If a shock absorber is installed, it can also effectively protect the bearing from direct impact.

It can be said that a good shock absorber is an artifact for a car.People in the cab will not feel slight bumps.

A cube car, as long as the chassis is strong enough, with the support of shock absorbers, and the body is lighter than a car, Luo Cheng does not believe that the car he designed will be like other cars, and the road test will fail several times.

(End of this chapter)