Flamethrowers: Why Do They Need Compressed Gas?

  • Thread starter Thunderclap
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In summary, flamethrowers use compressed flammable gas to create a small flame at the end of the gun through spark plugs. This gas provides a fuel-rich mixture for easy ignition and also projects the flame for safety reasons. Similar to lighting a gas stove, the compressed gas ensures reliable and efficient ignition of the fuel.
  • #1
Thunderclap
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Many flamethrowers use compressed flammable gas, which flows from the special tank to the end of the gun, where it is ignited by spark plugs. This creates a small flame, which ignites the flowing fuel.

But why a flamethrower needs a tank with compressed gas? Can the fuel be ignited just only by spark plugs?
 
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  • #2
Thunderclap said:
Many flamethrowers use compressed flammable gas, which flows from the special tank to the end of the gun, where it is ignited by spark plugs. This creates a small flame, which ignites the flowing fuel.

But why a flamethrower needs a tank with compressed gas? Can the fuel be ignited just only by spark plugs?
Have you tried lighting a kitchen gas stove ring? I know modern stoves have automatic electric ignition, but the older ones require that you use a match or a gas igniter. The gas igniter is like a butane cigarette lighter but with a long barrel. When the butane runs out you can still light the stove, but it is unreliable and you often have to make many clicks (sparks) before ignition. When you recharge the butane, ignition is usually on the first try.

I'd say the butane provides a fuel-rich mixture so it ignites easily; the gas stove is set to provide no excess of gas for maximum heat and smoke-free operation.
 
  • #3
The compressed gas also projects the flame so that the operator does not roast himself.
 

What is a flamethrower?

A flamethrower is a type of weapon that projects a long stream of fire. It is usually used in warfare or for controlled burning in agriculture or forestry.

How does a flamethrower work?

A flamethrower works by using a mixture of fuel and pressurized gas, such as propane and compressed air. When the trigger is pulled, the fuel is ignited and propelled out of the nozzle, creating a long stream of fire.

Are flamethrowers legal?

The legality of flamethrowers varies by country and state. In some places, they are completely banned, while in others they can be owned with certain restrictions. It is important to research and follow all laws and regulations before purchasing or using a flamethrower.

What are the dangers of using a flamethrower?

Flamethrowers can be extremely dangerous if not used properly. The intense heat and fire can cause serious burns or start unintended fires. It is important to always follow safety precautions and use flamethrowers only in appropriate settings.

What are some alternative uses for flamethrowers?

While flamethrowers are often associated with warfare, they can also have practical uses such as controlled burning in agriculture, clearing snow and ice, and controlled burns in forestry management. However, it is important to receive proper training and follow safety protocols when using a flamethrower for any purpose.

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