Why were cast-iron toilet bowls in the USSR installed under the very ceiling? Technologies of Soviet engineers that we cannot understand

  • Sep 24, 2021
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In the modern world, it is almost unrealistic to see cast-iron toilet cisterns, which were popular in the USSR. Sometimes they are still found in secondary schools that have not seen renovation for a long time.

Why were cast-iron toilet bowls in the USSR installed under the very ceiling? Technologies of Soviet engineers that we cannot understand
The installation of toilets during the Soviet era was very different from what is used today. In those years, the toilet bowls were poured with concrete at the floor level, but they did not come to this decision right away.

During construction, toilets were reinforced on wooden taffeta. Over time, they were exposed to high humidity, and therefore began to rot. As a result, the toilet staggered and failed. Then Soviet scientists found a rational way out of the situation. The place where the toilet was connected to the floor, they poured concrete.

Why was the toilet bowl raised to the ceiling?

I want to explain why this system took place in the Soviet Union:

  • 1. Cast iron tanks had a long service life, up to 70 years. Professional plumbers could easily repair them. For these purposes, they needed a float, wire, and also an accordion. All this was available for sale or was found in the "bins" of workshops.
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  • 2. The cast iron under the ceiling is almost impossible to break. In modern tanks, the button often breaks, the lid breaks, etc.
  • 3. In addition, the cast-iron cistern could not be stolen, since it was nailed down with dowels. In the dashing 90s, this was a very important advantage. Of course, there were craftsmen who removed the tanks and handed them over to ferrous metal.
The main advantage of the cast-iron tank, located at a height, was in physical laws. According to Bernoulli's law and Torricelli's formula, the flow rate at the lowest point depends on the height of the liquid column. Those. the pressure of the water washed away any traces of human activity in the toilet, and the consumption was minimal.

It turns out that the cast-iron cisterns suspended from the ceiling were one of the most ingenious inventions of Soviet engineers!

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