Why is the fire bucket conical? | Apple

Fire fighting equipment attracts attention not only with its bright red color. A bucket stands out, not quite the usual shape. And if traditionally this object appears in the form of a truncated cylinder, then firefighters use a cone. Needless to say, this form is frankly uncomfortable in everyday life. But why, in a critical situation, when seconds count down, and human lives are at risk, is this type of bucket in demand?

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According to the standards, the fire cone bucket is designed for manual delivery of water or sand. The capacity is 8 liters, and the device weighs up to 3 kg. Its diameter is 300 mm and its height is 350 mm. This specification does not explain the main thing – why a cone, and not a traditional cylinder? In fact, this issue has its own historical background. And the explanation that firefighters need to carry water without stopping without putting a bucket on the sand can be considered a cute anecdote. But the legend that this form was approved by Peter I so that the buckets would not be stolen for their own household needs seems even plausible, given our mentality.

One of the main versions says that for the first time fire buckets appeared in Europe on ships. Then they were made from an improvised multi-layer canvas, which was easy to twist in a cone. Over time, the tradition has spread everywhere. But this legend has no confirmation in the form of historical engravings or paintings. Another version is also associated with the use of conical buckets on ships – such a device was convenient to scoop water overboard. And the bucket took up little space. From the navy, the progressive idea migrated to firefighting.

Why are fire buckets tapered?

Be that as it may – the advantages of a cone bucket when extinguishing a fire are many. In practice, it turned out that scooping up water and sand with such a device is much easier. In water, the bucket does not need to be completely submerged, and when collecting sand, you can hold on to the tail, like a scoop. As a result, the volume is quickly and maximally filled. In addition, the very shape of the cone gives the bucket the maximum volume with minimum material consumption – the bottom does not need to be made. In addition to the economic benefits, this inventory is also lighter than usual. And the structure turns out to be quite rigid – when falling from a height, not only does it not collapse, it will inevitably topple over. Water spilled over a fire is the best way to fight a fire. There are other, not so obvious, advantages of the cone bucket. So, with a sharp end it is convenient to break ice on a fire reservoir or loosen hardened sand, and when running, this form will not hit your legs.

Putting out a fire with classic buckets is considered ineffective. For 100 years, practitioners have come to the conclusion that the water poured in this way only reaches the right place by a quarter, the rest of the liquid simply spoils objects. But with a bucket in the form of a truncated cone, the efficiency of firefighters increases – the jet can be directed to the desired point and done several times from the same volume.

The cone-shaped fire bucket, which seems strange to us, is really of little use in everyday life. But in a fire, in a critical situation with its own characteristics, it is this form of inventory that allows it to be as useful as possible.

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