In the conference room, when Zhao Guoyang mentioned the possible shortcomings of the EA108 series all-aluminum engine, the three senior executives of Volkswagen Latin America were stunned.

Zhao Guoyang didn't take their reaction to heart.

He said calmly: "First of all, what I want to say, everyone should actually be very clear. Compared with the all-aluminum engine and the cast iron engine, its biggest advantage is in the total amount. ”

"The specific gravity of aluminum is lighter than that of cast iron, and the aluminum cylinder block is much lighter under the premise of meeting the strength requirements. ”

"If the engine is lighter, it can have a positive impact on the weight distribution of the whole vehicle, and the quality of the whole vehicle will also decline somewhat, so the aluminum cylinder block must be advantageous at this point. ”

Speaking of this, Zhao Guoyang paused for a moment, and then continued: "However, this feature of the all-aluminum engine has also brought new problems. ”

After Zhao Guoyang finished speaking, Ayton reluctantly smiled: "I don't know what the problem is that Mr. Zhao said, please speak up." ”

"Well, this is natural!"

Zhao Guoyang nodded and said, "Due to the light specific gravity of aluminum, the strength of the aluminum structure per unit volume is naturally not as good as that of iron castings......

"For example, the two cast iron engines produced by your company in Huaxia, EA105/EA106 have a cylinder center distance of 88mm, and the version in the European and American markets can reach 82.5mm. ”

"That is, this cast-iron engine, excluding the cooling water channel, actually has quite thin cylinder walls. In this way, the whole engine is very compact and small, which is difficult to achieve compared to the aluminum cylinder block. ”

Zhao Guoyang's analysis made Ayton a little speechless.

Although he is only in charge of product development of the whole vehicle, as a senior technical officer in charge of Volkswagen Latin America, his understanding of his own engine is of course very comprehensive.

Obviously, what Zhao Guoyang said is completely correct, the all-aluminum engine is indeed inferior to the cast iron engine in terms of compactness.

Ayton's slightly embarrassed appearance was looked at by Derek, who was in charge of sales on the side.

This Derek and Ayton have always had a good relationship, and when he sees his friend embarrassed, he naturally wants to help.

So Derek pretended to be reserved and said, "Mr. Zhao, what you said does have some truth. ”

"But all-aluminum engines are the trend in the entire international market. Things are always moving forward, and we can't completely deny them because of this little flaw, right?"

In the conference room, those middle-level cadres of Volkswagen Latin America, after listening to Derek's words, all nodded yes and agreed.

Seeing this scene, Zhao Guoyang smiled.

He bowed slightly, "I agree with what Mr. Derek said. It is understandable that new technologies will have such and such small problems in the application of new technologies. ”

"But your engine is not just a small flaw......

After Zhao Guoyang said this, Derek's face became a little ugly.

He made a gesture with a solemn face and said, "Then please continue to tell Mr. Zhao, let's all listen carefully!"

Zhao Guoyang said "um" and continued to speak: "I just mentioned to you the comparison between the traditional cast iron engine and the all-aluminum engine in terms of compactness, and below, I will talk to you about the comparison of corrosion resistance and strength between the two!"

"I don't think it's necessary to say that everyone is very clear about the properties of aluminum. This substance can easily react with the water produced during combustion, and the corrosion resistance is far less than that of cast iron cylinders. This is especially true for supercharged engines with higher temperatures and pressures. ”

"In addition, as mentioned before, when we have relatively small volume requirements for the engine, it is usually difficult to achieve the strength of the cast iron cylinder block when using aluminum cylinder blocks. ”

Zhao Guoyang raised his hands and gestured: "It is really for this reason that many of the high-supercharged engines use cast iron cylinder blocks instead of more advanced all-aluminum cylinder blocks. ”

"For example, the 286hp 2.0L engine of the EVO, which just came out this year, uses a cast iron cylinder block. ”

"EVO?" Hearing this name, the people on the side of Songqi Group were confused.

Volkswagen Latin America, obviously, have heard of this name, for a while, Federis, Ayton, and Derek, you look at me, I look at you, and their faces are all inexplicably surprised.

Seeing that the Songqi Group, including Chairman Mao Zhichun, was in a daze, Zhao Guoyang explained: "Chairman Mao, this EVO is the flagship of the island country Mitsubishi ......Motors Company listed at the end of last year - Lancer Evolution."

"In the 90s, Mitsubishi Motors in the island nation made a wise and courageous decision to participate in the RC World Rally Championship and the SCCA Pro Rally Championship. ”

Based on their small four-door front-wheel drive family sedan, the Lancer, they designed the Lancer Evolution, a high-performance all-wheel drive sports sedan. ”

Speaking of this, Zhao Guoyang seemed to think of something, raised his eyebrows and said: "Since the Lancer Evolution is a super street car that pursues high performance, it is not famous in our Chinese country, and it is normal that everyone has not heard of it." ”

"Of course, we're mainly talking about the cast iron engine of the EVO, so let's not discuss the performance of this car......"

Turning his head to look at the people of Volkswagen Latin America, Zhao Guoyang continued to talk about the engine.

"In addition to the above two points, the all-aluminum engine is also lagging behind the cast iron engine in terms of friction coefficient. ”

"In today's engines, in order to reduce the inertia of reciprocating parts and improve the speed and response speed, most of the pistons use aluminum alloy as the material. ”

"In this case, if the cylinder walls are also aluminum. The coefficient of friction between aluminum and aluminum is relatively large, so the performance of the engine is greatly affected. ”

Zhao Guoyang spread his hands and said calmly: "Obviously, at this point, the cast iron engine block will not have such trouble." ”

His eyes swept over the faces of Fideris, Ayton, Derek and others, and Zhao Guoyang finally concluded: "Basically, the defects of your company's EA108 series all-aluminum engine are these points. ”

"If you think there is something wrong with what I said, please criticize and correct ......"

After Zhao Guoyang finished saying this, the three of Fidris rolled their eyes at the same time.

These three foreigners secretly thought in their hearts: You guy has already peeled off the skin of our engine, how can we criticize and correct?

There was silence in the office for a moment, and after all, Ayton reluctantly said: "Unexpectedly, Mr. Zhao knows so much about our Volkswagen engine, I really admire it!"

"In fact, about our Volkswagen's EA108 all-aluminum engine, some improvements are still in progress. ”

"After your company's 'New Santana' completes the durability test, maybe the stability of our engine has taken a leap, so ......."

This Ayton said "so" two sentences, and he couldn't go on.

Obviously, everyone is not stupid, and Volkswagen's purpose of trying to use the "new Santana" of the Songqi Group to test its own new engine has been revealed.

Zhao Guoyang didn't say anything righteous and awe-inspiring in this regard, he just opened his voice with a relaxed expression: "Of course I believe Mr. Ayton's words. ”

"To be honest, with Volkswagen's technical level, this engine is still very competitive as long as it is improved......"

When Mao Zhichun on the side heard this, his face showed a blank look.

Originally, in his opinion, Zhao Guoyang said so much just now, obviously he didn't accept the EA108 all-aluminum engine of the other party.

But now he suddenly changed his conversation and helped the other party talk to these foreigners.

What's so strange about this?

Chairman Mao's doubts did not wait too long, and soon, Zhao Guoyang solved the mystery.

I saw Zhao Guoyang put on a magnanimous look and said to Ayton: "Mr. Ayton, on this 'new Santana' of our Songqi Group, the EA108 all-aluminum engine is used, and I personally fully agree. ”

"However, after all, it is a new product, and there may be more problems. Therefore, in terms of technical maintenance, I hope that the Volkswagen Group can keep up!"

"Technical maintenance?" Hearing this, Ayton was shocked.

Zhao Guoyang sighed, nodded again and again: "Yes, since the all-aluminum engine is already the development trend of the industry, it is not a big deal for us to use the EA108 on the new Santana." ”

"This technical improvement is more or less a selling point of the new model. ”

"It's just that as a new engine and a new technology, your company needs to provide us with more help in terms of technical maintenance. ”

Speaking of this, Zhao Guoyang deliberately swept his gaze to Mao Zhichun and said: "Chairman Mao, in addition to the whole vehicle, our Songqi Group currently does not have an engine branch, right?"

Mao Zhichun heard the song and knew the meaning of the strings, and immediately nodded again and again: "Yes, yes, this is indeed nothing!"

"Then take advantage of this time Volkswagen wants to test the new engine technology on our 'new Santana' model. Let's build the engine research institute first. ”

Zhao Guoyang touched his chin and said to himself: "Well, with the Engine Research Institute, our Songqi Group can help Volkswagen's engine department to slowly debug, find and solve problems." ”

"In the future, when conditions permit, it will not be difficult to build another engine factory!"

Speaking of this, Zhao Guoyang didn't forget to ask Ayton and said, "Mr. Ayton, do you think it's okay for me to suggest?"

"We have built an engine research institute here in Songqi Group, which can clearly and intuitively feed back the durability test data of EA108 to you, and secondly, the researchers sent by your company can also come and study with us at any time, which can be described as killing two birds with one stone!"

Looking at Zhao Guoyang's harmless smile, the muscles on Ayton's face trembled.

Fedrith and Derek beside him looked at each other, and they both hung their heads a little dejectedly.