Ameer Randolph
When it comes to boating, carrying extra fuel is essential for extended voyages or trips to remote areas. While most boats have sufficient fuel for a day's journey, unexpected situations may arise, making it crucial to be prepared. This raises the question: what are the options for storing spare fuel on a boat? Several factors come into play, including safety precautions, fuel container choices, and the impact of additional weight on fuel consumption. Additionally, considerations such as the type of fuel and the boat's engine system influence the suitability of different storage methods. This discussion will explore the various aspects of equipping a boat with the necessary spare fuel tank setup, ensuring a safe and enjoyable boating experience.
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What You'll Learn
The need for extra fuel storage
There are several options available for those seeking to increase their fuel capacity. One popular method is to utilise portable tanks or auxiliary fuel tanks, which can be attached directly to the boat's fuel system. These tanks are designed to be stable and secure, even in rough waters, reducing the risk of leakage or fire. They are typically made from plastic, which is lightweight, durable, and less likely to damage the boat's finish compared to metal tanks. It is important to ensure that the tanks are securely tied down in open areas of the boat and that they are properly vented to prevent a build-up of fumes.
Another option for extra fuel storage is to use Jerry cans or jerry jugs, which are commonly used to carry fuel on boats. These cans are available in various sizes, with six gallons being a manageable weight for most individuals. It is important to use the correct colour-coded cans for gasoline (red) and diesel (yellow) and to avoid using unauthorised plastic containers, as they may not be suitable for fuel storage. Jerry cans should also be securely tied down and handled with care to prevent spills.
For those seeking a more permanent solution, installing a new tank can provide additional fuel capacity. However, this option may come at the cost of sacrificing internal space, and careful positioning is necessary to maintain the balance of the boat. Custom-built tanks can be designed to conform to the hull, making use of empty keels or speciality tanks built to fit voids. It is also essential to consider the weight distribution and fuel consumption, as adding extra weight will impact the boat's performance.
Additionally, flexible bladders or fuel cells offer a semi-permanent solution for storing extra fuel. These bladders are made from durable, puncture-resistant materials and can be rolled up for compact storage when empty. They provide a substantial increase in fuel capacity and are a preferred choice for those seeking to significantly extend their range. However, it is crucial to properly secure the bladders and ensure they are placed in areas with sufficient structural integrity.
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Safe fuel transportation methods
Jerry Cans or Jerry Jugs
Jerry cans or jugs are a common and convenient way to carry extra fuel on a boat. They are designed to prevent fuel spills, and USCG-approved options are more stable in rough waters, reducing the risk of leaks or fires. These cans come in various colours, with red indicating compatibility with gasoline and yellow for diesel or petrol. It is important to secure these cans in an open area of the boat, such as the aft cockpit or swim platform, to prevent spills and damage during rough seas.
Portable Tanks
Portable tanks can be attached directly to your boat's fuel system, eliminating the need for manual pouring. These tanks vent through the fill cap and need to be secured in the open. They are often made of plastic, which is easier on decks and finishes than steel, and does not corrode. When choosing a portable tank, consider the Moeller 8978397 above-deck plastic fuel tank, which holds 24 gallons and is US Coast Guard-compliant.
Fuel Bladders
Lightweight, flexible, and puncture-resistant marine fuel bladders offer much higher capacities than cans or portable tanks. They are an excellent option for substantially extending your boat's range. Once empty, they can be rolled up for compact storage. An example is the Petro-Flex line of pillow-style fuel bladders from Aero Tec Laboratories, which offer volumes ranging from 25 to 500 gallons.
Permanent Tankage Solutions
If you're considering a permanent solution, you can install new tankage, but this option can be costly and may result in losing internal space. Custom-built tanks can be designed to conform to the hull, and empty keels can sometimes be utilised as spare fuel tanks.
Watermarkers
For those who require a large supply of water, installing a watermaker is an option. It can convert diesel to freshwater, producing 10 litres of freshwater for every litre of diesel used.
Precautions
When transferring fuel, always use a funnel, and opt for a larger size with a filtering system if possible. Remember that fuel is highly flammable, so never store it in anything other than containers designed for that purpose. Do not use just any plastic container, as some plastics can damage your boat's paint job. Always tie down and secure your fuel containers, especially in open areas, to prevent spills and damage. Additionally, keep in mind that fuel consumption is directly proportional to weight, so the extra fuel will impact your boat's performance.
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Fuel container options
Jerry Cans
Jerry cans or jugs are a common container for carrying fuel on a boat. They are available in plastic or metal, with the former being better for the paint job of your boat. They are also available in different colours, with red being for gasoline and yellow for diesel or petrol. A six-gallon container is a good size to start with as it is easy to move and won't change the weight of your boat. Scepter manufactures a five-gallon Square Jerry ECO Fuel Container with a low-profile design that is more stable in rough seas.
Flexible Bladders
Flexible bladders are collapsible fuel tanks made from durable materials. They can be used as the main tank and are a semi-permanent solution for storing more fuel. They are lightweight, puncture-resistant, and can be rolled up for compact storage when empty. Petro-Flex pillow-style fuel bladders from Aero Tec Laboratories are available in volumes ranging from 25 to 500 gallons.
Portable Tanks
Portable tanks can be attached directly to your boat's fuel system and tied into the boat's fuel lines. The Moeller 8978397 above-deck plastic fuel tank is a U.S. Coast Guard-compliant remote tank that holds 24 gallons of fuel. Plastic tanks are easier on the deck and gelcoat finishes than steel tanks, and they don't corrode.
Permanent Tanks
A new tankage is a permanent solution for carrying more fuel, but it is also the most costly. It involves sacrificing space and can impact the balance of the boat, so positioning is important.
It is important to note that only containers designed for storing fuel should be used, and proper precautions should be taken to secure and store fuel containers safely.
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Fuel tank installation
Planning and Considerations:
- Space and Weight Distribution: Determine how much extra fuel you will need and the space you are willing to sacrifice for the new tank. Remember that fuel consumption is directly proportional to weight, so the additional fuel will impact your boat's performance.
- Positioning and Balance: It is recommended to keep the tanks low and on the centreline of the boat for even weight distribution. Ensure the boat remains balanced, especially if you opt for a larger tank.
- Safety Precautions: Fuel is highly flammable, so take the necessary precautions. Use only containers designed for fuel storage, and avoid placing them in enclosed or non-ventilated spaces. Secure the containers to prevent spills, and ensure any residual fumes or leaks do not drip into the bilge, as this could lead to a fire or explosion.
- Tank Material and Type: Consider the material of the tank, such as plastic or metal. Plastic tanks are lightweight and easier on deck finishes, while metal tanks may offer more durability. You can also choose between permanent tanks, flexible bladders (semi-permanent), or portable tanks.
Installation Process:
- Selecting a Tank: Choose a tank that suits your space and fuel capacity requirements. Consider the tank's dimensions and ensure it complies with any relevant safety standards or regulations.
- Installation Location: Identify the best location for the spare fuel tank, keeping in mind the need for balanced weight distribution and easy access.
- Plumbing and Connections: If installing a permanent or semi-permanent tank, you may need to connect it to your boat's fuel lines. Consult a marine engineer or a professional for guidance on plumbing and ensuring a proper connection.
- Testing and Safety Checks: Once installed, test the tank for any leaks or issues. Ensure all connections are secure and that the tank is properly ventilated. Familiarise yourself with any necessary safety procedures, such as spill or leak response.
- Maintenance and Care: Regularly inspect and maintain your spare fuel tank to ensure its longevity. This includes checking for any signs of corrosion or damage and keeping the tank clean and secure.
Remember to always prioritise safety when working with fuel, and if in doubt, consult a professional or expert for guidance on installing a spare fuel tank on your boat.
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Fuel transfer tools
Drop N Fill
The Drop N Fill is a self-supporting fuel transfer system designed to make refuelling boats, ATVs, and other vehicles easier. It features a simple design: place the system on a flat surface, insert the hose into your tank, and rest the fuel can on the cross-support cones inside. This method is faster and easier than traditional refuelling, and it prevents fuel from being left in the can, reducing waste and spillage.
Fuel Transfer Pumps
Fuel transfer pumps are another option for transferring fuel from a can to a boat's tank. These pumps can be automatic or manual and are often battery-powered. They typically come with long hoses and adapters to fit different-sized cans and tanks. Some pumps also feature auto-stop functions and beep when the tank is full.
##Funnels
A funnel is a simple yet effective tool for worry-free fuel transfer. When choosing a funnel, opt for the largest size available, and if possible, select one with a filtering system. This will help ensure a smooth and mess-free transfer process.
Siphon Hose
A siphon hose can be attached to one end of a hose, which is then dropped into the tank containing fuel. By performing a push-pull or pump action with the hose, fuel will begin to flow through the hose. This method does not require mouth suction and eliminates the need to taste or inhale fumes.
Fuel Containers and Bladders
Fuel containers and bladders are used to store and transfer additional fuel on boats. These can include plastic Jerry cans, low-profile fuel tanks, and flexible bladders. Flexible bladders are made from durable, puncture-resistant materials and can be rolled up for compact storage when empty. It is important to tie down and secure fuel containers to prevent spills and ensure the boat remains balanced.
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Frequently asked questions
Jerry cans or jerry jugs, flexible bladders, and auxiliary fuel tanks are some options for spare boat fuel tanks.
It is important to use the proper coloured gas can for the type of fuel being stored, secure the gas can in case of rough waters, and ensure that any spilled fuel or fumes do not drip into the bilge.
Flexible bladders are lightweight, puncture-resistant, and can be rolled up for compact storage when empty, making them a good option for adding auxiliary fuel to your boat.
Carrying spare boat fuel tanks can increase the weight of the boat, which can lead to higher fuel consumption and cost. Additionally, there is a risk of fuel spills or leaks, which can be dangerous due to the flammable nature of gasoline.
When transferring fuel, it is recommended to use a funnel, preferably one with a filtering system, to avoid messes and spills. It is also important to secure the fuel containers and tie them down in open areas of the boat to prevent them from moving and rupturing.
