Sylvie Willis
Jerry cans are containers used for storing and transporting fuel. They were first used by the German military during World War II and were later adopted by the British and American troops. Today, they are commonly used in the UK for storing automotive fuel and lubricants. Jerry cans come in different sizes, with plastic cans typically holding 10 litres of fuel and metal cans holding 20 litres. However, it's important to note that regulations restrict the use of metal jerry cans above 10 litres for fuel storage. Jerry cans are known for their durability and self-sufficiency, but they may not meet the capacity and durability requirements of modern fuel storage needs.
| Characteristics | Values |
|---|---|
| Material | pressed steel, high-density polyethylene |
| Capacity | 20 litres (4.4 imp gal; 5.3 US gal) |
| Weight | 11.5 lb (5.2 kg) |
| Durability | not suitable for harsh conditions |
| Safety | prone to fuel leaks and spills |
| Maintenance | need to be filled to the top to prevent bacterial growth |
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What You'll Learn
Jerry cans hold 20 litres of fuel
Jerry cans are fuel containers made from pressed steel or high-density polyethylene. They were designed in Germany in the 1930s for military use and could hold 20 litres (4.4 imperial gallons or 5.3 US gallons) of fuel or water. The design was a significant improvement on earlier versions, which required tools and funnels to use. The German design featured innovative features for convenience and robustness, and it could be stacked and transported easily.
The jerrycan played a crucial role in ensuring a consistent fuel supply to Allied operations during World War II. They were highly valued for their convenience and functionality, and their use became widespread among both German and Allied forces. The British, in particular, preferred the German design over their own containers and began manufacturing copies. The US also adopted the German design, making some modifications, and it was used extensively by the US Army and Marine Corps.
Today, jerry cans are still used worldwide for fuel and water containers in both civilian and military contexts. They are a cost-effective and reliable solution for fuel storage, especially in remote areas without easy access to fuel stations. However, they have some limitations, such as being prone to fuel leaks and spills, and may not be suitable for harsh conditions.
When storing fuel in jerry cans, it is important to take precautions to maintain fuel quality and safety. It is recommended to fill the containers completely to prevent bacterial growth and minimise temperature fluctuations. Fuel stabilisers can also be added to extend the longevity of the fuel. Proper storage and handling of jerry cans are essential to ensure the fuel remains stable and safe to use.
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They were designed in Germany in the 1930s
The humble jerrycan, an iconic and seemingly simple piece of equipment, has a fascinating history that stretches back to the 1930s and the rise of motorized warfare. Designed in Germany during this pivotal decade, the jerrycan played a crucial role in the country's military campaigns and went on to influence fuel storage and transportation globally. With a focus on functionality and practicality, the German engineers of the time created a durable and efficient container that could withstand the rigors of military use.
The design of the jerrycan was characterized by its rectangular shape, sturdy handle, and innovative closure system. German engineers prioritized ease of use and speed of filling and dispensing fuel, a critical factor in the fast-paced theater of war. The cans were designed to hold 20 liters (5.3 gallons) of fuel, a significant amount that could refuel military vehicles and aircraft quickly and efficiently. This capacity became the standard for similar fuel containers worldwide. The German military needed a practical way to store and transport fuel for its growing mechanized army, and the jerrycan provided the solution.
The 1930s was a decade of innovation in Germany, with the country's engineers and scientists making advancements in various fields. It is within this context that the jerrycan was conceived and developed. The design process considered the practical challenges of fuel storage and transportation, and the final product reflected the era's emphasis on functionality and efficiency. The jerrycan's rectangular shape made for efficient packing and storage, maximizing space utilization during transport.
The German military adopted the jerrycan as a standard piece of equipment, and its impact was immediately felt. The cans' durability and ease of use improved the efficiency of fuel supply chains, ensuring that vehicles and aircraft received the fuel they needed to maintain momentum in battle. The jerrycan's design also included a clever venting system that prevented the buildup of dangerous fumes and facilitated smooth, uninterrupted pouring. This attention to detail reflected the German engineering mindset of the time.
The jerrycan's handle was designed for comfort and ease of carrying, even when the can was full. This feature was particularly advantageous for soldiers who often had to transport fuel over long distances on foot. The cans could be stacked and stored efficiently, making the most of limited space in vehicles and supply depots. The design also included a recessed area on the top, allowing for secure stacking and reducing the risk of cans slipping during transport.
Beyond their military use, jerrycans also found application in various civilian contexts. They became popular for fuel storage and transport in industries such as agriculture and motorsports, where their durability and functionality were highly valued. Today, the design has barely changed from its original 1930s blueprint, a testament to the effectiveness of German engineering during that era. The jerrycan remains an enduring symbol of practical, efficient design, influencing fuel storage solutions worldwide.
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They are made from pressed steel or high-density polyethylene
Jerrycans, also known as jerricans, are fuel containers that were originally designed in Germany in the 1930s for military use. They hold 20 litres (4.4 imperial gallons or 5.3 US gallons) of fuel or water and were extensively used by both Germany and the Allies during World War II.
The original jerrycans were made from pressed steel, specifically two pieces of stamped steel interlocked with each other. This design eliminated leaks and reduced production costs. The steel was robust and strong, in contrast to the thin, brittle tin used in previous fuel containers, which often caused waste or fires. The distinctive ribbed design, also known as ''X' ribs,' strengthened the structure and allowed the container to expand or contract depending on the temperature.
Over time, the production of jerrycans has increasingly switched to plastic, specifically high-density polyethylene. Plastic jerrycans are lighter, cheaper, and easier to produce than their metal counterparts, and they also have the advantage of being rust-proof. The colour of plastic jerrycans can also be used to indicate the type of contents, such as red for gasoline, yellow for diesel, and blue for kerosene.
Today, jerrycans are still widely used for fuel and water containers in both military and civilian contexts, and their design has changed little since their original creation. They are used in almost every country, particularly where individuals require extra fuel or water.
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They are prone to leaks and spills
Jerry cans are a convenient way to store and transport fuel, but they have some inherent design flaws that can lead to leaks and spills. The most common issue is that the cans are often made of thin metal or plastic, which can be susceptible to punctures and dents. If a jerry can is dropped or knocked over, it can easily spring a leak, releasing its contents into the environment. The seals and gaskets used in jerry can caps and spouts can also be a source of leaks. Over time, these seals can degrade or become loose, allowing fuel to evaporate or leak out.
Another issue is that jerry cans are often not properly secured or stored during transport, which can lead to spills and accidents. If a can is not tightly closed or is left open, fuel can slosh out during transport, creating a hazardous situation. It is important to always secure jerry cans in an upright position and to use approved storage containers or cages to minimize the risk of spills. Regular inspection and maintenance of jerry cans are crucial to prevent leaks and spills. Over time, the containers can corrode or develop cracks, especially if they are exposed to harsh conditions or improper storage.
It is recommended to inspect jerry cans regularly for any signs of damage or wear and to replace them as necessary. Additionally, proper handling and usage are important to minimize the risk of spills. This includes tight closing of the lids, avoiding overfilling, and refraining from using old or damaged cans. Even with proper care, however, leaks and spills can still occur due to the inherent limitations of the containers. It is important for users to be aware of the potential risks and take appropriate precautions when handling and storing fuel in jerry cans.
To minimize the environmental impact and safety hazards, it is crucial to follow spill containment practices. This includes having absorbent materials or spill kits readily available to clean up any leaks or spills that may occur. By taking proactive measures and adopting proper handling, storage, and maintenance practices, individuals and organizations can reduce the likelihood of leaks and spills from jerry cans, protecting both the environment and human safety. In conclusion, while jerry cans serve a practical purpose in fuel storage and transportation, their propensity for leaks and spills cannot be overlooked. Through diligent maintenance, secure storage, and cautious handling, we can mitigate these risks and promote safer and more sustainable fuel management practices.
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They are cost-effective and reliable for fuel storage
Jerrycans, also known as jerry cans, are portable fuel containers that were initially designed in Germany in the 1930s for military use. They have been used for fuel storage for many years and are considered a cost-effective and reliable solution.
The cost of jerry cans is an important factor in their popularity. Plastic jerry cans, in particular, are more cost-effective than metal ones as they are made from eco-friendly high-density polyethylene (HDPE), a durable and long-lasting material. This makes them a safer option for storing fuel, as they are less prone to leakage. Additionally, plastic jerry cans are stackable, which is advantageous when storage space is limited.
Jerry cans are also reliable for fuel storage as they are designed to withstand normal wear and tear. They have a recessed welded seam that protects the container from impact damage and indentations that prevent a full can from being severely damaged if dropped. The paint coating on the inside of the can also protects it from corrosion. These features ensure that jerry cans are a safe and secure option for fuel storage.
However, there are some limitations to using jerry cans for fuel storage. They have limited capacities, and storing fuel in bulk requires a large number of individual cans. This can be inconvenient and take up significant space. Additionally, jerry cans may not hold up well in harsh conditions, making them less suitable for certain working environments.
While fuel tanks are a more expensive initial investment, they offer greater savings in the long run. Fuel tanks allow for bulk fuel storage, reducing the need for frequent refuelling and saving time and money. They are also more secure, durable, and better equipped to withstand extreme weather conditions and everyday wear and tear.
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Frequently asked questions
In the UK, a plastic jerry can typically holds 10L of fuel, while a metal can holds 20L. However, there are smaller 5L jerry cans available, and during World War II, the British Army used 2-imperial-gallon (9.1L) and 4-imperial-gallon (18L) jerry cans.
Although jerry cans are a cost-effective and reliable solution for storing fuel, they are not the safest option. Fuel tanks are a better alternative as they allow you to purchase fuel in bulk at lower prices and save time on refuelling. Additionally, it is challenging to measure the exact amount of fuel in a jerry can.
Jerry cans are a self-sufficient design with an integrated cap that forms an effective seal without the need for additional tools. They are also extremely durable and reliable, making them suitable for transporting drinking water and hazardous liquids.
One of the main disadvantages of jerry cans is their limited capacity, which can be inconvenient if you need to store large amounts of fuel. Additionally, metal jerry cans above 10L capacity may not be used to store fuel in the UK due to safety regulations.
