The Inner Tank Adder: An Innovative Fuel Solution

what is a inner tank adder fuel tank

An inner tank adder fuel tank, also known as an auxiliary or replacement fuel tank, is an extra fuel tank that works in conjunction with a vehicle's main stock tank to increase its range. This type of fuel tank is often used in vehicles that require long-range fuel capabilities, such as for off-roading adventures or remote wilderness trips, to minimize fuel stops and provide peace of mind in foul weather or remote areas. Inner tank adder fuel tanks can be installed in a variety of vehicles, including trucks, and offer the convenience of filling up on the go with the press of a button.

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Benefits of an inner tank adder fuel tank

An inner tank adder fuel tank, also known as an auxiliary or replacement fuel tank, is an extra fuel tank that works in tandem with a vehicle's main fuel tank. These tanks are beneficial for several reasons.

Firstly, they offer increased fuel capacity, which minimises fuel stops and extends the range of a vehicle. This is particularly advantageous for those embarking on long-distance or remote journeys, reducing the need for constant refuelling and allowing for a quicker arrival at the destination.

Secondly, auxiliary fuel tanks enhance safety and security. Their larger capacity reduces the need for additional fuel containers, which can attract thieves. Additionally, in adverse weather conditions, such as floods or wildfires, the extra fuel reserve provided by these tanks can provide peace of mind and ensure the vehicle's functionality.

Auxiliary fuel tanks also offer cost savings. By increasing fuel capacity, they allow for more flexible refuelling options, enabling drivers to take advantage of cheaper fuel prices and avoid being forced to refuel at more expensive locations due to low fuel levels.

Furthermore, some auxiliary fuel tanks, particularly those with removable inner tanks, offer ease of cleaning and maintenance. This feature simplifies the process of inspecting and purging the tank, ensuring its longevity and optimal performance.

Lastly, certain auxiliary fuel tanks are designed with durability and corrosion resistance in mind, utilising materials like aluminised steel. This enhances the tank's lifespan and protects against the elements, ensuring reliable and safe fuel storage, especially when replacing existing tanks.

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Installation process

An inner tank adder fuel tank, also known as an auxiliary or replacement fuel tank, is an extra fuel tank that works in tandem with a vehicle's main stock tank. These auxiliary tanks can be installed in a variety of vehicles to increase their fuel capacity and range, thereby reducing the need for frequent refuelling.

Step 1: Preparation and Space Allocation

Firstly, ensure you have a suitable workspace with enough space to work comfortably. Remove any items inside the bed of the truck, such as a bed mat, to create a clear and safe working environment. It is also recommended to have an extra set of hands to help with lifting the tank and preventing any damage to the truck's finish.

Step 2: Safe Placement

Allocate a safe place for the fuel tank installation. Choose a location that is on firm, level ground, away from potential health and safety risks, residential or office buildings. Place the tank on a paved or asphalt surface to aid in pollution prevention and ensure it is level for safe usage.

Step 3: Set Up Placement

Before making any alterations to your vehicle, place the auxiliary fuel tank in the desired installation location. Ensure that the tank is positioned away from the sides, front, and back of the bed, with some space on all four sides. This spacing prevents the tank from rubbing against the truck bed and causing potential damage.

Step 4: Marking and Drilling

Once you have determined the optimal placement, use a brightly coloured marking tool, such as a wax pen or chalk, to visibly mark the holes where you will attach the fuel tank to the bed of the pickup. After marking, remove the auxiliary tank from the pickup bed. Centre punch the marked locations to prevent the drill bit from straying. Start by drilling small pilot holes, then use a larger bit to drill holes matching the size of the bolts you plan to use.

Step 5: Fuel Line Planning

Before bolting the tank into place, carefully plan and determine the route of the fuel supply line. Decide how and where you will run the fuel line from the auxiliary tank to the existing factory fuel tank.

Step 6: Final Installation

Finally, bolt the auxiliary fuel tank securely into place using the drilled holes and chosen bolts. Ensure that all safety markings are clearly visible on and around the tank, indicating its contents.

It is important to note that the installation process may vary slightly depending on the specific vehicle and auxiliary tank being used. Always refer to the manufacturer's instructions and local regulations for a safe and compliant installation.

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Types of adder fuel tanks

An inner tank adder fuel tank is an extra fuel tank that works in tandem with a vehicle's stock OE fuel tank. These auxiliary or replacement tanks can be added to increase a vehicle's range, allowing for fewer fuel stops and quicker journeys. They are also useful in emergencies, such as when foul weather hits, and can cut fuel costs by allowing drivers to fill up when prices are low.

There are several types of adder fuel tanks available, which vary depending on the type of vehicle and its intended use. Here are some of the most common types:

Auxiliary Fuel Tanks

Auxiliary fuel tanks, also known as "transfer" or "add-in" tanks, are installed in addition to the stock tank to increase fuel capacity. They can be mounted beneath or on top of a vehicle, depending on the model. These tanks often have a transfer pump that allows fuel to be transferred from the auxiliary tank to the main tank with the press of a button.

Replacement Fuel Tanks

Replacement fuel tanks are used to replace the original stock tank with a larger capacity tank. These are often aftermarket products designed to fit specific vehicle models and can significantly increase the vehicle's range.

In-Bed Auxiliary Fuel Tanks

In-bed auxiliary fuel tanks are designed for pickup trucks and are available in a range of sizes, typically from 37 to 100 gallons. These tanks seamlessly integrate with the truck's bed and can double the vehicle's driving distance.

Aircraft Fuel Tanks

Aircraft typically use three types of fuel tanks: integral, rigid removable, and bladder. Integral tanks are areas inside the aircraft structure that have been sealed for fuel storage and are commonly found in large transport aircraft. Rigid removable tanks are metal tanks that can be installed and removed for inspection, repair, or replacement. Bladder tanks are made of reinforced flexible materials and can be installed through small openings, making them suitable for aircraft of all sizes.

It is important to note that the specific options available to expand fuel capacity may vary depending on the vehicle's make and model, as well as regional regulations and safety standards.

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Safety considerations

An inner tank adder fuel tank, also known as an auxiliary or replacement fuel tank, is an extra fuel tank that works in tandem with a vehicle's main fuel tank. These auxiliary tanks are often installed to increase the vehicle's fuel capacity and range, allowing for fewer fuel stops and greater exploration, especially in remote areas.

Material

The material used for the fuel tank is a critical factor. Plastic (high-density polyethylene HDPE) and steel are two commonly used materials, each with its own advantages and disadvantages. Plastic tanks are lightweight, contributing to better fuel efficiency, and their versatility allows engineers to design them to fit almost any available space. They are also seamless, making them less vulnerable to failure in a crash. In contrast, steel tanks have seams that can fail under crash stresses, and they are more susceptible to corrosion and leaks. However, plastic tanks may not be suitable for the long-term storage of certain fuels like diesel and gasoline due to the potential for fuel permeation.

Secondary Containment

Secondary containment is an important safety feature for fuel tanks. For above-ground storage tanks (ASTs), secondary containment can be achieved through a concrete dike wall surrounding the tank, while underground storage tanks (USTs) often have double-walled tanks with an inner and outer shell. This secondary containment helps detect leaks in the primary tank by monitoring for fuel in the interstitial space.

Leak Detection and Prevention

Leak detection and prevention are crucial safety aspects of fuel tank systems. Double-walled tanks provide an extra layer of protection, with the outer tank shielding the inner tank from the elements and containing any leaks. Leak detectors can be inserted between the walls of double-walled tanks, initiating an alarm if a leak is detected. Monthly inspections for leaks, corrosion, and other damage are recommended, with documentation kept for three years as per federal law.

Safety Labels and Warnings

Visible labels and hazard warnings are essential safety measures for fuel tanks. Labels should include information such as the material stored, storage capacity, tank ID number, and any associated hazards. For example, a "No Smoking" sign in both English and Spanish is necessary for flammable contents.

Serviceability

The serviceability of the fuel tank system should also be considered. ASTs are generally easier to service as most components are readily accessible, but their size may require additional safety equipment during maintenance. Underground tanks, on the other hand, are more accessible for routine service but can be more challenging and costly to repair when excavation is needed.

Regulations and Standards

Adhering to regulations and standards is vital for fuel tank safety. This includes complying with local fire codes, Environmental Protection Agency (EPA) regulations, and state and local fire marshal guidelines. It is important to consult the relevant authorities and industry standards to ensure the safe installation and operation of fuel tanks.

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Vehicles that commonly use adder fuel tanks

An adder fuel tank, also known as an auxiliary or replacement tank, is an extra fuel tank that works in tandem with a vehicle's main tank. These tanks are often used in vehicles that require long-range fuel capabilities, such as those used for off-roading adventures or remote wilderness expeditions.

There are several vehicles that commonly use adder fuel tanks. For example, the Mitsubishi Pajero, which has successfully navigated its way to the Arctic Ocean during the 2020 Alcan 5000 Rally, has an auxiliary tank. Other vehicles that can utilise adder fuel tanks include the Lexus GX, Toyota Tacoma, and Mercedes Sprinter van, all of which have been fitted with tanks from Long Range America (LRAM), the exclusive US distributor of Long Range Automotive (LRA) based in Australia.

TITAN Fuel Tanks, another manufacturer, produces aftermarket high-capacity gasoline and diesel tanks made from military-grade polymer. Their products are suitable for a range of vehicles, including off-road vehicles, pickup trucks, and UTVs. Additionally, Transfer Flow offers in-bed auxiliary fuel tanks that are designed to seamlessly integrate with pickup trucks, providing extended driving range and convenience.

Some vehicles, such as the Toyota Tundra, have larger stock tanks, but many automakers offer smaller tanks that may benefit from the addition of an adder fuel tank. For those seeking to explore remote locations or participate in long-distance rallies, adder fuel tanks can provide the extended range and peace of mind needed to minimise fuel stops and ensure a quick arrival at the destination.

Frequently asked questions

An inner tank adder fuel tank is an extra fuel tank that works in tandem with a stock OE fuel tank. It is also known as an auxiliary, replacement, or "add-in" tank.

An inner tank adder fuel tank can double your vehicle's fuel capacity, allowing you to explore remote areas without worrying about frequent fill-ups. It also provides peace of mind during emergencies, such as natural disasters, and can help cut fuel costs by allowing you to fill up when prices are lower.

The installation process may vary depending on the vehicle and the specific auxiliary tank being installed. In some cases, you may need to consider enclosures, bladder and foam systems, or building a bracket or welding a cage to hold the tank in place. It is recommended to consult a professional or seek advice from online communities and forums for specific instructions for your vehicle.

There are several companies that specialize in manufacturing and distributing auxiliary fuel tanks, such as Long Range America (LRAM), TITAN Fuel Tanks, and Transfer Flow, Inc. You can explore their products and find a suitable option for your vehicle's make and model.

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