king of power

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Welcome the eyes of everyone, Chen Wai is not polite: "Of course!

Summary, Chen Geng said: "When the car is completed, the first thing we have to do is to the Newbergrin North Ring Road in Germany, get the best results of a mass production.

"..."

A group of engineers, the designers listened to the unclear: the boss is too big to be too big? The US car company, the most like to play is 0-400 acceleration, every time a so-called performance car, running 0 to 400 acceleration, then proudly telling the US consumers: Look, our car 0-400 speed is like this, our car old bull x!

But so far, there is no American car manufacturer dare to send their own performance vehicles to Newbergrin North Ring Road. The reason, the Northern Ring Road, Germany is an extremely test vehicle corner performance. These American cars manufacturers are very clear about the curve performance of their own products ... "Light Road, Curvery" than slag slag

It is what they say.

The US car engineer, designers also regard this situation as a matter of course, but now, their own bosses will intend to go to Newbergrin North Ring Road to run, this is really ... "Boss, do you say true?"

David Leibsen's voice was trembled.

Chen Geng smiled slightly: "I hope this car can run 8 minutes.

"..."

No one talks!

The Chen Pilliard face is all down the chin.

Why does Chen Ge will give this goal that will make everyone can't believe it? Because in 1981, there is no mass production car to run in the Newbergrin North Ring Road, don't say 8 minutes, even if you enlarge this speed to 8 minutes and 30 seconds. There is also no mass production car to do, but now, my own boss actually said to run 8 minutes in Newbergrin North Ring Road? !

Although 7 minutes and 59 seconds 999 is also 8 minutes, but ... I don't know if this joke is not funny.

"I know this is very difficult, but if we made ..."

Looking at these mouths of these mouths, you can put in a guy of an ostrich egg, Chen Geng slowly said: "Mr., you know what this means, right? And I dare to make such a goal Nature is a strong confidence in my design.

Yup!

A group of immersed in shocking, I would like to reduce zero guy, this suddenly reacted: The boss can be the world's top car design master, if it is not a five-six-point grasp of the program, he dares to make such a goal ? Since the boss has such a big confidence in his own program ... ... ... a group of engineers, every one is excited, like playing a chicken blood, is a wild jump in the liver, the liver is not only: once we This car can really run in the Newbergrin North Ring Road, which means that this car will be the world's fastest mass production car, what Ferrari, what Lamborghini, what Porsche, all to Laozi !

As a project engineer, once the car has succeeded, his income will inevitably follow the boat high ... What else is hesitating? Dry!

"Mr., you said,"

I finally couldn't help but shouted: "What do you say, how do we do it!

Chen Mongxiao: "Very good ..."

...................... "We all understand a truth, decide whether a car runs enough faster in the corner, the power is only in the second place, and the first one is always The load ratio of the front and rear axes, that is, the integrated design of the power system and the chassis, wants to achieve perfect front and rear axis load ratios, the best way is to hinge the back, but in my opinion, this kind of power system arrangement is still There is an unreasonable place, so I redesigned a solution: front engine + rear gearbox + four-wheel drive, whether the engine and gearbox are located between the front and rear axles ... "

The student sat in front of the engineer, looked at the basic architecture of this car shown on the large design chart of the project, immediately silently in the bottom of the heart: see the design of the boss, the length of the front suspension is significantly shortened, while the engine The length of the cabin is significantly longer, so, the center of gravity of the engine falls behind the front bridge, and corresponds to it, the transmission plus the main drift and the differential on the rear bridge, the center of gravity is basically In front of the rear bridge, the fuel tank at the rear axle is calculated, although there is no detailed calculation, but the load of the front and rear axes should be infinitely close to 50: 50 ... and then cooperate with the front double cross arm + the hanging system of multiple links. God, for each sub-load allocation, the supernation of the brain, this design simply allows the load on the front and rear axles to achieve perfect level!

Why didn't anyone think of the engine and gearbox? Why do you always connect the engine and gearbox? A group of designers are full of resentment.

However, engineers think about another problem ... "Mr.,"

Some people raise their hands and asked: "I read your design, this is really great, but this has a problem, how can you be freely allocate torque on the front rear wheel when the vehicle does not slip? "

This issue comes out, everyone has begun to think about problems.

Now all the four-drive system is born off-road, while the off-road vehicle needs free distribution of torque and power? Of course, when the wheel is slippery, the requirements of a good four-wheel drive system are that when any wheel slip occurs, the wheels that have a sliding wheel should be immediately locked, and the four-wheel drive system immediately distributes the power distribution. The one-slip wheel appears.

A set of excellent four-wheel drive system, even if there is only one wheel without side slip (i.e., three wheels appear while slipping), it can still provide enough wheels that do not have a side slip. The driving force, helping the age of life.

But this problem is coming, now all four flies are given "side slip"

Designed, the four-wheel drive of this car need to achieve the free distribution of torque and power between the front and rear wheels when there is no side slip.

How to do it? The eyes of the engineers of a house have gathered to Chen Mining.

"it's actually really easy,"

Under the eyes of everyone who is nervous and expectation, Chen Geng's expression is very relaxed: "I redesigned a four-wheel drive system, a set of torque and power distribution according to the needs of the front and rear wheels without side sliding Four-wheel drive system.

"..."

What? !

What you mean is this four-wheel drive system? What joke is open? !

"Traditional four-wheel drive system on the off-road vehicle is a power distribution through the mechanical lock of the central differential, but the four-wheel drive system I designed, I call it a plurality of central membrane four-wheel drive system,"

On one side, Chen Mong said, while pressing the remote control, the projector automatically cut into the next projected picture: "Please see that the core of this multi-film clutch four-wheel drive system is the clutch, this clutch has 6 friction Disc, each friction plate has an electronic system independent control, and each friction is pushed by a separate hydraulic device, simply, this is six small clutches.

This system must be activated at different speeds at different speeds in front and rear wheels, which is why everyone is confused with the front wheel diameter of our car than about 1% of the rear diameter of the rear wheel.

Due to the difference in speed of the front and rear wheels, two two-two-opposite friction discs on the friction plate are different.

When the hydraulic device pushes two friction plates, a part of the torque will pass from the rear wheel to the front wheel, when the combined friction disk is increasing, the increasing torque will be transmitted from the rear wheel. Front wheel, when all friction plates are locked, the front and rear torque allocation naturally reaches 50:50, and can also be required, and the gentleman is carried out in the engineering design stage ... Mr. Who else? "

has a problem? There is also a problem with a yarn. The four-wheel drive system that is designed by her own boss is shocking, I don't know what to say: Nima!

Can you still play with the four-drive system? !

Everyone is the self-expert in the automotive field. After Chen Ge is put forward this working mode, it will know at least from the perspective of technology, and it is no problem.

The problem is still ... "Mr., I see, the four-drive system you designed can probably be called 'electronically controlled four-wheel drive', the locking device is controlled by microcomputer, and the four-drive system is based on ABS The information obtained by the sensor such as the wheel sensor and the throttle sensor is to lock the clutch.

So my problem is: the development of this electric control system ... "

"Maybe you are not very clear, I still have a company called Garrett 2000 ..."

The engineers in the scene were still listening to the name of Gate 2000, so he heard that the famous Garrete 2000 company is actually their own boss. One surprised ... surprised is accustomed: the boss is not all So, whenever you have any new questions, he always has a solution.

Chen Geng said: "So, Gate 2000 not only helps us to complete the design and calibration of the electronic control system of the four-wheel drive system, adjust the design, calibration and adjustment of the engine's electrospray system. There is Gate 2000 to help us complete.

Now, what question else now? Since everyone has no doubt, then we will follow the engine, in order to maximize weight and improve efficiency, we must use a more compact V6 structural engine with 3.

8 liters, supplemented by our exclusive double top camshaft technology, continuously variable timing technology, electrospray system and twin turbocharge system ... "

------------ ps: Brothers, weekends need to bring their children in the weekend, so they can only be more than two days, Monday to Friday every day.