Why not make a straight path to the top of the mountain?

The mountain roads are winding, winding and there are many areas that limit visibility. The question is, why are hills often curved along t...


The mountain roads are winding, winding and there are many areas that limit visibility. The question is, why are hills often curved along the ridge instead of a straight line to the top, why not make a straight line to the top?

In the old days, when people wanted to build a road to the top of a mountain or a hill, a group of explorers would lead a donkey or a mule up the slope of that place.



The roads to the mountain are never straight.

The donkey or the mule will never go to the top in the shortest straight path. Instead, it instinctively chooses a path with a moderate slope, similar to the maximum slope we consider to be safe for a steep path (about 8 to 10 degrees).

The explorer will then knock the ground with the hammer to mark where the animal has just passed. At the same time, measure the distances of the newly marked places, draw them on the map and start sketching the path chosen for future construction.

When the probe feels that the animal has gone too far from the original target destination, or when encountering impassable obstacles, they will bring it back. The animal will now choose the path with the slope it has just gone up, but in the opposite direction. The point where the donkey or the mule changes its direction is called the sleeve bend.

A vehicle with a strong engine can easily climb a very steep road. But a truck carrying tons of goods or a bus full of passengers cannot. Moreover, the road with a large slope will make going down become extremely dangerous.


8 degrees is the prescribed slope of most important roads.

Experience driving a hilly road car
Check the car before every trip
Being well prepared for the trip will make you feel more secure and it will also help you to minimize unwanted risks; It is necessary to ensure and check the following equipment: Make sure brake fluid and drive system oil are sufficient, last change time within safety recommendations. Brake fluid, over time loses moisture and contaminants cause less boiling. When using the brake regularly causes oil to boil, brake effect is lost. In addition, you need to check the surface, tire pressure and always pay attention to have spare tire.

Spell steering wheel properly
Due to the peculiar nature of the mountainous road, there are many continuous bends, so you almost have to constantly steer with the steering wheel. Estimating the sharpness of the bend to steer just enough is an important factor to help the car run stably, not sluggish and always on the prescribed road.
Especially note that drivers often have a habit of rubbing the steering wheel with one hand, this is very dangerous when driving a mountain pass because the sharp bends require a greater force to hold the steering wheel than the flat road.

Maintain a stable speed
The fact that you run the accelerator pedal and limit the brakes is to maintain the vehicle speed to be as stable as possible. From there, the average speed of the journey will be much higher than the speeding, braking quickly. Maintaining speed here can be understood as the ability to keep the speed within the limits that you can safely control. That means everyone's ability to hold their speed will also vary and the average speed will also vary depending on their ability to drive.

Handling when going uphill
The secret of climbing the mountain pass is "raising momentum". By keeping pace with the accelerator, try to keep the speed not less than 35km / h, the rpm is not less than 1500 revs.
For sleeve bends, the speed of cornering must be lower but it is still advisable to keep the engine speed, observe before entering the sharp turns so that you do not have to avoid avoiding the car in the opposite direction. Note if traveling in groups, should be far enough apart to not have to brake suddenly.

Principles when going downhill
When the downhill, the heavier the vehicle, the greater the inertia, the speed of the slope will rise rapidly and exceed the ability to control the car if the vehicle is still in D mode (automatic), or high levels (number floor). Intuitively, you will apply a lot of brakes and hold for a long time, causing the brake pads temperature to rise too high, then the ceramic brake pads will cause braking effect.

The optimal plan at this time is to slow down the brakes and shift to a low gear (1,2,3 with a manual transmission; or D1. D2, S lower gear with an automatic transmission), which causes the engine to stop. Vehicle speed, can safely slope, easy to control steering. Always keep the speed in the safe range, do not let the car go too fast before braking, such running can cause significant damage to the brakes.

Do not hug the dividing line
Most steep mountain passes are narrower than national highways. Some drivers tend to cling to the middle of the road to run, but this technique will not be safe if the road has many cars moving, causing discomfort to other vehicles, in bad cases leading to accidents without timely handling. , especially with oncoming vehicles when cornering.


When you encounter a fog, you need to walk slowly, observe more.

Be careful when encountering mist
When you encounter a fog, you need to drive slowly, watch more, turn on the fog lights and always remember to stick to the road mark. Bad weather can lead to loss of traction and can lead to landslides, so stay alert and stop if you feel it is dangerous.

Always bring drinking water
On high mountain passes, low humidity can lead to altitude sickness and fatigue. Therefore, always give the body enough water to stay awake. Besides, the car also needs to be "alert" by filling the fuel tank, because the density of fuel station along the road is very small.

Take frequent breaks
Going on the mountain pass requires a lot of concentration and the body of the car turns so much that it can lead to stress, fatigue, the driver should often take a rest to keep awake to continue the next journey.

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High Tech Brain: Why not make a straight path to the top of the mountain?
Why not make a straight path to the top of the mountain?
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