Backpacking Stove Fuel: How Much, How Long, and Fuel-Saving Tips

This article covers important information about backpacking stove fuel including factors that affect fuel consumption, lifespan of different types of fuel, how to store fuel for optimal shelf life, average fuel consumption rates for different types of stoves, and techniques for conserving fuel while cooking. Read this article to learn how to calculate fuel for a backpacking stove.

How much fuel does a backpacking stove need?

Factors that affect fuel consumption, including stove type and usage patterns

The amount of fuel a backpacking stove consumes is affected by several factors, including stove type and usage patterns. Different types of backpacking stoves require different fuel types, and some fuels burn more efficiently than others. For example, canister stoves are generally more fuel-efficient than liquid fuel stoves, meaning they require less fuel to cook the same amount of food. However, canister stoves are not as suitable for extreme temperatures or high altitudes. Read this article to learn about common types of backpacking stoves.

Additionally, usage patterns such as the frequency of meals and the length of cooking time also impact fuel consumption. Cooking for a group will require more fuel than cooking for an individual, while simmering meals will consume less fuel than boiling. The wind and the outside temperature also affect fuel usage. Windy conditions can cause the flame to extinguish, which will require more fuel to reignite. In contrast, cold temperatures will consume more fuel than warm temperatures.

Average fuel consumption rates for different types of backpacking stoves

The amount of fuel consumed by a backpacking stove varies depending on the stove's make, model, and fuel type. On average, a canister stove can boil one liter of water using just eight grams of fuel. In contrast, a liquid fuel stove will consume around 15 to 20 grams of fuel per liter of water boiled. Alcohol stoves are the least fuel-efficient, requiring about 25 to 30 grams of fuel to boil a liter of water.

How to calculate the amount of fuel needed for a specific trip?

Calculating the amount of fuel required for a backpacking trip depends on several factors, such as the stove type, the length of the trip, and the number of meals required. To calculate the total amount of fuel needed, first determine the amount of fuel used per meal by multiplying the fuel consumption rate by the length of time needed to prepare the meal. Next, multiply this value by the number of meals planned for the trip. Finally, add a buffer amount of fuel to account for unforeseen circumstances such as wind or cold temperatures.

How long does backpacking stove fuel last?

The lifespan of different types of fuel

The lifespan of backpacking stove fuel varies depending on the type of fuel. Liquid fuel, such as white gas or kerosene, can last up to five years when stored correctly. Canister fuels, which typically contain propane and/or isobutane, can last for up to ten years. However, once a canister is punctured or opened, the fuel's lifespan drops to several months. Alcohol-based fuels, such as denatured alcohol, have a shorter lifespan of up to two years.

How to store fuel for optimal shelf life?

Proper storage is crucial for maximizing the lifespan of backpacking stove fuel. Fuel should be stored in a cool, dry place away from direct sunlight and heat sources. Canisters should be kept upright, while liquid fuel should be stored in a sealed container to prevent evaporation. Additionally, it's important to store fuel away from food and water sources to avoid contamination.

Factors that affect fuel efficiency, including temperature and altitude

Temperature and altitude impact fuel efficiency. In colder temperatures, fuel consumption increases due to the stove having to work harder to maintain the desired temperature. In contrast, high temperatures can cause fuel canisters to become over-pressurized, which can impact fuel flow and stove performance.

At higher altitudes, air pressure decreases, which impacts fuel combustion. Liquid fuel stoves are more versatile in higher elevations because they can be pressurized manually. Canister stoves, on the other hand, become less efficient at altitudes above 8,000 feet, resulting in slower cooking times and reduced heat output.

Tips for using a backpacking stove to save fuel

A. Picking the stove that best suits your needs.

There are different types of backpacking stoves available, each with their advantages and disadvantages. For example, liquid fuel stoves are more versatile and fuel-efficient in cold temperatures and high altitudes, while canister stoves are lightweight and easy to use. Consider your needs and the conditions of your trip when choosing a stove to maximize fuel efficiency. You can learn how to choose a backpacking stove with this REI article.

B. Preparing your meals to minimize fuel consumption

Preparing your meals in advance can help minimize fuel consumption. Pre-soaking or parboiling rice and pasta, cutting vegetables into smaller pieces, and using a lid on your pot can all reduce cooking time and fuel usage. Additionally, dehydrating your meals before your trip can significantly reduce cooking time and fuel consumption.

C. Techniques for conserving fuel while cooking, including simmering and using a windscreen

Simmering your food instead of boiling it can help conserve fuel and prolong the lifespan of your fuel canister. Using a windscreen can also reduce fuel consumption by blocking the wind and preventing heat loss. Additionally, placing your pot on a stable surface and using a pot stand can increase heat transfer efficiency and reduce fuel usage.

D. Other tips for reducing fuel usage, such as using a water filter to avoid boiling water and sharing a stove with a partner

Using a water filter can help avoid boiling water, which is a fuel-intensive process. If you're traveling with a partner, sharing a stove can also reduce fuel usage. Consider using a larger pot to cook multiple meals at once to maximize fuel efficiency.