Riding a Kawasaki H2 to chase the high-speed rail, the school beauty was moved to tears

These cars have all been modified at this time. The lights and rearview mirrors have all been removed, and even the surrounds have been replaced with racing surrounds.

Although it has been modified, it still looks the same.

"Uncle, are all the commercially available liter-class sports cars suitable for the track here? Why do I feel like I'm missing something?"

Qin Chuan scratched his head. He was talking about his Kawasaki h2. There was only one Kawasaki zx10r here, which is the Kawasaki Daniel. He didn't see the two h2 brothers.

Although this car is very rare in Jianghai, it should not be so rare in Shanghai.

Kawasaki h2 is actually very rare in Shanghai, but the rare ones in Shanghai are h2s that can be driven on the road through formal procedures, and domestic quotas are very small.

But how many formal cars are there in a place like a racing track? The Kawasaki h2 waterwheel is still easy to find.

"You are talking about your car, don't worry, just listen to me first."

Xu Hong knew what Qin Chuan was talking about and waved his hand to ask the little guy to wait.

"You all know these cars, you don't need me to introduce them again."

"Need not."

"Okay, then let me first tell you the difference between liter-class sports cars."

Xu Hong found two benches in the p room and sat with Qin Chuan next to a red Ducati V4.

Although the red Ducati v4 has been replaced with surrounds, the new surrounds are still red, but the texture is a bit worse. It is still very handsome, and not a single liter-class sports car is ugly.

Qin Chuan heard that this Ducati v4 has a nickname, called "The Baked Egg Artifact"

After clearing his throat, Xu Hong started to get to the point.

"There are two types of engines for two-wheeled motorcycles, one is naturally aspirated and the other is supercharged. In essence, supercharged engines are an enhanced version of naturally aspirated engines. Xiaochuan, come and take a look."

Qin Chuan's body followed Xu Hong and explored forward.

"Look here, Ogawa, this is the air inlet of the engine. Air is sucked in through the air inlet, then transported to the engine cylinder for combustion and work, and finally discharged through the exhaust. This is the principle of a naturally aspirated engine."

The combustion of air provides energy, thereby increasing the power of the car.

The air inlet was at the front of the car. Qin Chuan saw that there was an air filter in front of the air inlet. If you look closely, there were some impurities on the air filter.

This filter element is also found in cars, and Qin Chuan has seen it in his father's truck before. Its function is to prevent impurities and flying insects in the air from entering the engine.

With the air inlet at this position, Qin Chuan guessed that the straight-line collision with the wind would be severe.

"The air intake will increase as the vehicle speed increases and the front of the vehicle hits the wind to increase the amount of air intake, thus improving the vehicle's power."

Xu Hong quickly confirmed Qin Chuan's guess. In theory, the acceleration performance of a car has a lot to do with the air intake volume of the air port.

The greater the air intake, the more complete the internal combustion of the engine, thereby increasing the energy.

It is precisely because of this that mechanical supercharging is introduced. The purpose of supercharging is to allow more air to enter the air intake.

The two of them sat upright again, Xu Hong looked at Qin Chuan, and said in a deep voice

"Your h2 is supercharged, and a supercharged engine is essentially a naturally aspirated engine."

"When Kawasaki's veteran researchers were developing and designing the system, they added a supercharger kit to the air intake. The kit can significantly increase the air intake and improve the car's horsepower, but it also has side effects."

Supercharging creates a pressure difference between the inside and outside of the engine. The pressure difference creates a suction force that draws more air into the engine. Of course, everything has two sides. Supercharging can bring advantages, but it also has its own shortcomings. .

"The side effect is that the throttle of a supercharged car is not linear. You must have experienced it, Ogawa."

Throttle not linear?

When Xu Hong said this, Qin Chuan was somewhat aware that he did feel different when riding the BMW 1000rr this morning. It turned out that this was the problem.

Having never ridden a car with this kind of displacement before, Qin Chuan thought it was a unique feature of large displacement.

If the throttle is not linear, the control may have a big impact on cornering.

"Uncle, the nonlinearity of the throttle has an impact on cornering. This should be the reason why you don't take this car out."

"Well, Ogawa, you are right, but there are more reasons than that."

The biggest impact of throttle non-linearity is when exiting a corner. When exiting a corner, you need to slowly open the accelerator. The purpose of slowly opening the accelerator is to allow the car to gradually accelerate at a gentle speed, so that the car body will slowly straighten up.

This process is gradually and slowly increasing. To achieve this, the throttle needs to be very linear.

The ordinary naturally aspirated throttle is very smooth, but the Kawasaki H2's is very violent, and the front end of the car will tilt up even if the throttle is slightly applied when exiting corners.

The head tilt is small, but the biggest problem is when the car body straightens up instantly. The driver cannot react at all, and the car body shakes to the extreme.

This is how the title of King of Straight Lines and Death of Corners comes from. Success is also supercharged, and failure is also supercharged.

These things are actually not a big problem for drivers, and top drivers can also control them very well, but this refers to when doing laps alone, when the driver's mind is on the car.

Once you get into a fight, it's easy for the rear wheel to spin out of the corner.

If it is just that the throttle is not linear, it is not a big problem, and crashing is not a big problem. As long as it is fast, these are not big flaws for the driver.

It can be overcome even in the face of absolute speed. But h2 has other problems besides these.

The original weight of a normal liter-class sports car is about 200 kilograms, while the weight of Kawasaki h2 is 240 kilograms.

It is heavier than cars of the same class, and the extra [-] kilograms is the weight of the supercharger kit.

Track cars need to be modified to be lightweight, but the Kawasaki h2 is 40 kilograms heavier than other cars no matter how it is modified, because the supercharger cannot be removed at all. If it is removed, it becomes an ordinary car, which is meaningless.

Some people will say that it doesn’t matter what the point is, it’s fast anyway, and that’s indeed the truth.

But the embarrassment lies here. When the driver gets off the track, the mechanic will weight the car front and rear for stability. At this time, the position of the supercharger is extremely awkward, which seriously affects the weight.

As a result, the control and flexibility in corners are extremely poor, and the advantage of the straight line is lost in a corner.

Regardless of how fast the h2 is in a straight line, the track lap time can’t beat our own Kawasaki Daniu.

The so-called "born for the track" is more of a marketing thing. It may have good results in drag racing.

High risk and low reward, supercharged models are also banned from competition by the International Motorcycle Federation, so this is why fans have not seen h2 points in the world's top events and the Isle of Man TT.

However, Xu Hong seems to have heard that someone rode an h2 to the Isle of Man to experience it, but he didn’t know what the lap time was. Because he was not a serious competitor, he didn’t know the lap time either.

After listening to this, although his knowledge was confusing, Qin Chuan's head was still very clear. It was a bit regretful that he thought he could ride his Kawasaki H2 on the track.

It seems that marketing accounts are sometimes not trustworthy. Just like the previous Dodge Tomahawk, Qin Chuan also thought that it could kill the air in seconds, but who knew that even the little ninja might not be able to outrun it.

"These cars all have naturally aspirated engines. Xiaochuan, if it were you, would you rather choose one that is faster in straight lines or faster in corners?"

Returning to the topic, Xu Hong asked Qin Chuan the question.