Why does the Focus RS get 70 torque on the rear axle?

First of all, let's clarify a concept:

The establishment of torque is supported by adhesion and traction.

For example, when the four wheels are framed and the full throttle is pressed, the torque output of the engine is very small, and the torque is only enough to pull the rpm to the red line and the tires to idle, and the torque at the wheel end is naturally very small. The four wheels are placed on the ground, and the full throttle is pressed, and the engine torque output is the maximum torque, and the wheel end torque is naturally very large.

When the wheel end torque does not exceed the maximum adhesion of the ground tire, the actual tire traction is equal to the wheel end torque.

When the wheel end torque is so large that it exceeds the maximum grip of the ground tire, the actual tire traction is equal to the maximum grip of the ground tire.

If a car is a four-wheel drive vehicle with an open differential, the front and rear axles are open differentials.

Ideally, assuming that all four wheels have the same adhesion, then if you go in a straight line, the torque distributed by all four wheels is exactly the same, and the front and rear axles are 50:50. If, at this time, the adhesion of the first two wheels is zero (placed on ice), according to the definition of an open differential, the front axle:

The power distribution (power) between the rear axle is 100:0 and the front axle will receive all the engine power. The torque of the engine is used for the front wheel to fly idling + its own speed increase, and the engine torque is always the smallest adhesion among the four wheels The reduction ratio is very small, and the engine often loses oil because of the red line very quickly, so even if the rear axle is no longer on ice, it gets zero torque, so it can't get out of trouble.

**Open Diff cars, the torque distribution between the front and rear axles is always 50:50. The engine power is on the slippery side, even if that power is very small.

What if this car is a part-time AWD vehicle? The gearbox first gives power to the transfer case, and the transfer case distributes the power to the front and rear axles, ** there is no differential, which is equivalent to a rigid axle, and the front axle and rear axle are still open diff. If at this time, the adhesion of the first two wheels is zero (placed on the ice), there is no adhesion, there is no torque, and the rear axle is placed on a normal road surface, there is adhesion and torque.

In fact, it is equivalent to the fact that the front axle has no effect, which is equivalent to becoming a rear-wheel drive car, so at this time, the front and rear torque distribution becomes 0:100. And vice versa, the front and rear torque distribution can also be 100:

0。That is, the torque at the output end of the gearbox is all on the shaft at the end of the effective adhesion. As for what the teachers said, the differential lock is always 50:

50 distributes torque, which is based on the adhesion of the two axles of the four wheels and the friction is the same (both can be zero). His rear axle is longer, so it can have 70% torque.

Because the engine of the Focus RS is strong, powerful, and the tires have a lot of traction.

Probably because his rear axle is relatively long, so it can have 70 torque.

The RS's all-wheel drive structure is similar to that of the EVO, which is a four-wheel drive with a transverse engine platform.

Because the rear axle length of this car is designed to have a large axle capacity.

Maybe it's because the wheelbase of the Focus is relatively long.

Because the design of the Focus RS is more advanced, the availability rate is very large.

Because this is due to its unique design.

Explain that Fox is good now.

Because it's very complex.

That's how great other people's designers are.

It's too normal, the high-rpm engine broke out late, suitable for running at high speeds, and the rated power is good, 170 horsepower.

But the power on the wheels is tragic, just more than 73%, which is because the car is not designed well, and it has not been changed.

The actual acceleration is only seconds, not fast, sorry for that**.

1. The positioning of all cars is different when they are designed, one is a civilian scooter, the other is a WRC racing car, the weakened civilian version, and the modified version is a racing car, so can it be compared?

These should have something to do with the overall design of the car. For example, the Leopard WRX's boxer-opposed engine technology significantly lowers the center of the car, which inherently improves the car's handling. That's pretty much what it means.

When it comes to Golf and Focus, many people's first reaction may be "civilian cars, just average", but if you see these two cars on the street, you will "provoke" at will, and sometimes you will be ruthlessly "counter-killed". So, today we are going to talk about the typical representatives of pretending to be pigs and eating tigers, imported Golf R and Fox RS.

Volkswagen Golf 2015 R

Manufacturer's guide price: 10,000 yuan.

Golf R Ford Focus 2016 RS Sport.

Manufacturer's guide price: 10,000 yuan.

Although the Fox RS has a slightly different appearance from the base model, the Golf R and Focus RS are still typical 5-door, 5-seater compact hatchbacks, so the body size is also very standard. The Golf R measures 4276 1799 1442mm with a wheelbase of 2626mm, and the Fox RS measures 4390 1823 1482mm with a wheelbase of 2648mm. In terms of power, the Golf R uses Volkswagen's classic EA888 engine, turbocharged to bring a maximum power of 206kW, a peak torque of 380N·m, a top speed of 250KMH, and an acceleration time of 100 kilometers in 5 seconds.

The Focus RS benefits from a larger displacement, with a maximum power of 257kW, a peak torque of 440N·m, a top speed of 268km h, and an acceleration of 100 km/h in seconds. It is worth mentioning that the peak torque threshold of both is relatively low, the Golf R only needs 1800rpm to exert maximum torque, and the Focus RS only needs 2000RPM is enough, the acceleration ability of both cars is excellent enough, and it is also full of confidence when overtaking. The Golf R uses a 6-speed dual-clutch gearbox + electronic parking, while the Focus RS is a 6-speed manual + handbrake, which is better than the driving pleasure of the Focus RS, and it is easy and enjoyable to play drifting.

In addition, both cars are front-mounted full-time four-wheel drive, front MacPherson + rear multi-link independent suspension, Golf R tires are 225 40 R18, Focus RS is 235 35 R19. In terms of safety, the Golf R provides the main and passenger airbags, front and rear side airbags, front head airbags, and knee airbags, while the Focus RS does not have rear side airbags and knee airbags, but there are more rear head airbags. In addition, both cars have hill start assist, engine start-stop, and cruise control, but the Golf R also has more tire pressure monitoring and steering wheel shifting.

As for the topic of who is stronger Golf R or Fox RS, we will not judge here, in the case of money and willfulness, you can buy whichever you like, who do you prefer?

The RS engine accelerates to a standstill of 100 km/s and reaches a top speed of 266 km/h.

The new Fox Al Ultimate Steel Cannon is very strong, because the steel he uses is a seamless steel tube, and it participates in a lot of explosion-proof situations, so the Ultimate Steel Cannon is very strong.

The new Focus RS, the ultimate steel cannon, is nothing special on the surface, but the internal system and power system, as well as the performance of all parts, are first-class.

Because of this kind of domain strengthening, it's quite powerful. For modern people, it is to let well, as long as there is a broad horizon, the written test is often difficult to count, which is equivalent to golf and many people will not go. Because the number of gs is quite powerful, they are all high-level people who are leisurely, or some of them are more suitable for people to afford.

Very, very powerful. It's so tough that no one else can describe it in words.

Focus, RS, twin-turbocharged 100 km/h, acceleration seconds, very tough.

Full of power, super horsepower, the Focus series is very good, the engine is good, the brand-name car, the reputation is good, and the choice of Focus is endless.

The new blessing is just ordinary.

The interior of the Ultimate Steel Cannon is too tough.

The car is cool, powerful, fast and "invincible"!

I don't know much about cars, but I want to buy them, and I also buy domestic cars.

I don't know how tough it is, anyway, it's a better car among the famous cars, the engine should be particularly good, and the new Focus RS should have been improved in all aspects, right?

This is honestly very tough, you know it once you have experienced it.

It's just a hype concept, but it's not really tough.

I don't like this car, so I don't know.

The new Fox Al Ultimate Steel Cannon is very tough

The performance of the new Focus RS in all parts is top-notch.

It's okay, I think. I'm really looking forward to the Mazda3 hatchback version. No matter how you look at it, it smells good.