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How Does a Water Cannon Work?

Whether you’re trying to put out a raging apartment fire, put a halt to a prison riot, or come down hard on some civil liberties, you’ll need one piece of technology: a water cannon. While species such as the bombardier beetle and several species of cephalopods have been able to blast tremendous jets of fluid for thousands of generations, technological development has only just caught up.

Although the use of water cannons as a peaceful crowd control tactic has expanded in recent years, inhabitants in the 18th and 19th centuries were significantly more preoccupied with suppressing urban fires. Prior to the invention of the water cannon, fire departments relied heavily on bucket lines, in which firefighters handed bucket after bucket towards the front of the line to extinguish the flames.

Clearly, this limited what firefighters could do. The only choice in some cases was to bomb the burning building in an effort to suffocate the flames, or to tear down surrounding structures to create a firebreak to keep the disaster from expanding.

Firefighting teams, such as the City Fire Brigade, began to deploy primitive water cannons in the 16th century. Some of it was simply hand-held plunger devices, similar to a giant syringe or some of the water cannons available now at toy stores. Other water cannons used a crude form of what would later become the contemporary standard: a hydraulic system,a water cannon and a water tank or deluge gun.

While a few firemen operated on the pumps by hand, another shot the water cannon at the fire. A few of these methods still required human bucketing to get the tank filled, but better hose construction soon eliminated the need for all of the elbow work.

Inventors made significant advances in steam technologies during the nineteenth century, leading to the invention of horse-drawn steam engines. These engines converted the expansion of waters into steam to drive the pumps that were formerly powered by human effort. Gasoline engines began to supplant steam engines in the early 1900s, and while the engines have advanced significantly, the core technology has remained unchanged.

Water Cannon Parts

Water cannons have been used by law enforcement to defuse bombs and manage rioting crowds. At roughly 100 yards (91.44 meters), anti-riot water cannons are powerful enough to knock a guy down, however some law enforcement agencies take the technology a step further by laced the water with colours or tear gas. Water cannons for water trucks today serve a variety of functions.

Let’s look at the 3 main parts of a water cannon: a source of water, a water pump, and a deluge cannon. The source of water could be either a water tank that comes with the other two parts or an external supply such as a hydrant, pool, or natural water body.

Fire engines generally employ both inputs, allowing firefighters to immediately start using a tanked water supply while other firemen attach hoses to an external entity. There will be no need to wait for water while a fire burn.

The user may aim and control the flow of water using the attached deluge gun. When firemen operate a hose physically, they frequently have to strain to keep it from flying out of control. After all, the water flows out at such high pressure that it naturally forces the hose in the opposite way. To avoid this, the deluge gun is securely attached to the truck, enabling one person to control it – sometimes even distantly.

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