A video uploaded on social media platform X shows BMW drivers and others crossing a flooded road. Various countries around the world have been hit by heavy rainfall. This has caused roads to flood in certain areas in Europe, according to the Wall Street Journal.
The clip shows drivers attempting to cross a low-lying road that has been flooded. The first car shown in the video is a BMW 1 Series that comes to a halt after water seemingly enters through its radiator.
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SEVERAL BMW DRIVERS GET STUCK WHILE TRYING TO CROSS THE WATER-LOGGED ROAD
Watch the six-minute clip below and see it is mostly the BMW drivers who struggle to cross over roads that are waterlogged. Several other vehicles are able to navigate through the water without getting stuck.
All of the SUVs wade through the water without a hitch, while even some smaller cars don’t have a problem getting to the other side. Poor BMW drivers, then. See the full video below:
According to road safety civic organisation Arrive Alive, there are several dangers attributed to flowing water over roads and low-water bridges.
Arrive Alive says motorists should be aware of the following dangers:
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- Flowing water applies pressure to contact areas. The higher the speed, the higher the pressure.
- With water that is one meter high, it will flow out at a speed of 4.47 meters per second or 16 km/h. The pressure is one metric ton per square meter.
- With a wheel half under water is, the area 0.4 sq m and the force 0.4 tonne per wheel. For the four wheels, it becomes one and a half tons, and for 2m of water, it becomes 2 tons per sq m.
- Be careful; water that has fallen only 0.4m reached a speed of 3.2 km/h and can sweep your car off a road bridge.
- When the side of the body of a vehicle makes contact with the water, the force increases rapidly but the water now also acts on the underside of the vehicle as well and starts to lift it. It is now able to float like a ship. The weight of the vehicle will not be able to hold it on the road. Every cubic meter of space in a vehicle can lift one tonne.
- Be careful; 0.6 meters of water can float a car. Only vehicles that are open and let the water through will behave differently.
- Establish the body area of the vehicle and its mass. From this, calculate how deep the vehicle will sink in the water before it floats. For a truck that is 8.5 meters long and 2.5 meters wide and with a mass of 12 tonnes, it will float at a level of .532 meters above the body base and be able to float down the river.
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