Mercedes Mullins
The Jetboil Stash stove system is a fuel-efficient stove that is ideal for boiling a lot of water between resupplies. The stove's performance has been tested under various conditions, including fuel efficiency, weight, and wind performance. The Jetboil Stash can boil approximately 12 litres of water per 100-gram fuel canister, which is almost twice as much as most ultralight stoves. This means that for a 5-day trip, boiling 2 cups of water two to three times per day, one 100-gram or 110-gram canister should suffice. However, in colder temperatures, the stove will use more fuel, so adhering to the 6L rule is recommended.
| Characteristics | Values |
|---|---|
| Fuel efficiency | A 100-gram fuel canister can be used to boil almost twice as much water as other ultralight stoves, which can only manage a maximum of 15 2-cup boils. |
| Jetboil can boil around 27 2-cup boils using a 100-gram fuel canister. | |
| A 110g canister can be used for 4-5 days, boiling 16 ounces for breakfast and dinner. | |
| A 100g canister can be used for 10 days with 2 hot meals per day. | |
| A 110g canister can be used for 5 days, boiling 2 cups of water 2-3 times per day. | |
| A 100g canister can be used for 9 days with 1-3 meals per day, plus coffee. | |
| Weight | Jetboil is twice as efficient as conventional stoves, so you can take half as much fuel, thus saving weight. |
| Space | Jetboil can save space as its canisters nest inside the cooking cup. |
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What You'll Learn
Jetboil Stash fuel efficiency
The Jetboil Stash is a highly fuel-efficient stove system. It has a low stove fuel flow rate of around 1.9 grams per minute, with a specially designed FluxRing aluminium pot. This low fuel flow rate keeps the flame centred under the pot and contained by the FluxRing, which increases boil time but optimises fuel efficiency.
The Jetboil Stash is twice as efficient as conventional stoves, allowing you to take less fuel on your trip, saving weight and space in your pack. The stove puts out a maximum flow rate of about 1.9 grams of fuel per minute, which is about half the flow rate of the average lightweight backpacking stove. The low fuel flow rate increases boil time but optimises fuel efficiency.
The Jetboil Stash stove system is compact and relatively lightweight (238 grams/8.4 ounces). The three-prong stove weighs just 59 grams because the burner cup is made from lightweight titanium. The pot weighs 131 grams and has a capacity of 0.8 litres. The pot is marked with 0.25-litre and 1-cup increments, making measuring water easy. The pot should always be used with liquid inside to prevent overheating and damaging the FluxRing.
The Jetboil Stash is a great option if you need to boil a lot of water between resupplies and want to avoid carrying a heavier 230-gram fuel canister. It can boil almost twice as much water as other ultralight stoves using a 100-gram fuel canister. For example, it can boil around twenty-seven 2-cup boils using a 100-gram fuel canister, compared to a maximum of fifteen 2-cup boils for most ultralight stoves. This makes the Jetboil Stash a better lightweight option if you need to boil a lot of water and want to avoid carrying heavier fuel canisters.
The Jetboil Stash is easy to set up and use, and everything packs away nicely inside the pot, making it a very packable option. It is a reliable and high-quality stove system that performs well in various conditions, including high elevations.
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Jetboil Flash fuel usage
The Jetboil Flash is a fast boil system that can boil water in 120 seconds. It is designed to be fuel-efficient, and its FluxRing technology allows it to heat with extremely high efficiency, consuming less fuel. The fuel usage of the Jetboil Flash depends on various factors, including the number of meals cooked, the volume of water boiled, ambient temperature, altitude, and stove efficiency.
A Jetboil Flash user on the Rokslide forum reported that a 10-day trip, with two hot meals a day during the summer months at high altitude, required only one 8 oz (about 227 grams) fuel container. Another user on the same forum mentioned that for a 10-day high-country trip, boiling 4 to 6 cups of water per day, two 110-gram canisters were the minimum recommended amount.
According to a blogger who writes about backpacking stoves, a high-efficiency stove setup can boil two cups (500 ml) of water with 5 grams of fuel. With this efficiency, a single 110-gram canister of gas is typically sufficient for "moderate" use scenarios, involving three hot meals per day. For "'heavier' use", which includes three hot meals and one cup of a hot beverage per meal, a single 110-gram canister will suffice, though it may be cutting it close.
Jetboil's own JetPower Fuel comes in 100-gram canisters, which are stated to provide approximately 12 liters of boiled water. This aligns with a user's experience on the Rokslide forum, who reported that a 100-gram canister would, on average, boil 12 liters of water.
It's worth noting that some users opt for non-Jetboil fuel canisters, as they can offer more gas for a similar price. Additionally, higher-quality third-party fuels can perform better in cold weather. However, it is recommended to use your own habits and estimations to determine the appropriate fuel quantity for your trip.
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Jetboil branded vs non-branded fuel
The Jetboil Stash stove is a fuel-efficient option for boiling water. It can boil almost twice as much water as most ultralight stoves using a 100-gram fuel canister. This means that you can boil around 27 two-cup boils using a 100-gram fuel canister. Jetboil only sells 100-gram canisters, but you can use other brands of gas canisters with the Jetboil stove.
According to the Jetboil website, you can use any gas fuel that has an EN417 nozzle. However, they also state that they cannot claim safe operation with any canister other than their Jetpower brand of fuel. Several other brands of fuel have the same mixture and valve as Jetboil, including Brunton, Gigapower, MSR, Primus, and Snowpeak. These alternative brands can be a good option if you are unable to find Jetboil fuel while out camping.
Some people have reported that they have used other brands of gas canisters with their Jetboil stove without any issues. For example, one person said they used Coleman, MSR, and Snowpeak fuel without any problems. Another person said they used MSR, Primus, and Gigapower fuel, and found that they all worked equally well.
However, it is important to note that different manufacturers use varying ratios of butane to propane in their canisters, which can affect performance in low temperatures. If you are camping in cold weather, it is recommended to avoid butane and stick to canisters with a propane-isobutane blend. Additionally, some people have reported issues with certain off-brand canisters, such as Coleman, due to tolerance stacking or recessed canister valves.
Overall, while you can use non-branded fuel with your Jetboil stove, it is essential to do your research and choose a reputable brand to ensure safety and compatibility. The type of fuel you choose may also depend on the temperature conditions you will be camping in, as certain fuel blends perform better in cold weather.
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Jetboil fuel for cold weather
The Jetboil Stash stove is a fuel-efficient system that can be useful for boiling water between resupplies. The stove can boil around twenty-seven 2-cup boils using a 100-gram fuel canister. However, the amount of fuel used depends on various factors such as the ambient temperature, altitude, and efficiency of the stove.
For cold weather trips, it is recommended to use two 110-gram canisters as a minimum for 10 days and 4-6 cups of water boiled per day. The Jetboil brand of fuel canisters seems to work better than other brands in cold weather. Users have reported that other brands tend to have some trouble lighting up in cold weather. Jetboil's JetPower fuel, which contains a blend of propane and iso-butane, provides higher vapor pressure, resulting in better performance in cold weather. Propane provides higher vapor pressure to the fuel, which means better performance in cold weather, and iso-butane provides more constant pressure as the fuel level gets low. The JetPower fuel blend delivers high vapor pressure for reliable use in cold weather.
In general, the colder the fuel, the lower the vapor pressure, and the lower the burner output. As temperature drops, so does pressure, resulting in longer boil times and difficulty lighting the burner. To mitigate this issue, it is recommended to keep the canister warm in a coat pocket or sleeping bag when not in use and insulate it by not placing it on a cold surface.
Additionally, it is worth noting that the amount of fuel used also depends on individual usage habits, such as the number of meals cooked and the frequency of hot beverages. It is always a good idea to estimate your fuel usage based on your own habits and not rely solely on generic scenarios.
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Jetboil fuel for high altitude
Jetboil stoves are known for their fuel efficiency, which translates to weight, space, and money savings. The Jetboil Stash stove, for example, can boil almost twice as much water as most ultralight stoves using a 100-gram fuel canister. This means you can take half as much fuel on your trip, saving weight and space.
The amount of fuel you need for your Jetboil will depend on various factors, including the duration of your trip, the number of meals cooked, the ambient temperature, altitude, and stove efficiency. For example, a 110-gram canister of gas can last for about 4-5 days when boiling 16 ounces of water twice a day for one person. On the other hand, a 10-day trip with two hot meals a day at high altitude can be managed with just one 8 oz (approximately 227 grams) fuel container.
At high altitudes, the pressure in the canister is directly proportional to the ambient temperature. As the canister gets colder, the pressure and heat output drop. However, by insulating the canister before use, it is possible to maintain reasonable stove performance even at very low temperatures. Mountaineering enthusiasts have reported using Jetboil stoves at altitudes of up to 8,000 meters (26,000 feet) on Mt. Everest without issues.
Additionally, the type of fuel used can impact performance at high altitudes. Jetboil's JetPower fuel contains a blend of propane and isobutane, which provides higher vapor pressure and improved performance in cold weather. The propane component contributes to higher vapor pressure, while isobutane offers more constant pressure as the fuel level decreases. This blend is safer than pure propane, which has too high a vapor pressure for standard canisters at normal temperatures.
In summary, when using a Jetboil stove at high altitudes, consider insulating your fuel canister to maintain reasonable performance in cold temperatures. Additionally, opt for Jetboil's JetPower fuel blend, which is specifically designed to deliver maximum efficiency and improved performance in cold weather conditions.
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Frequently asked questions
In cold weather, a Jetboil stove will use more fuel as it takes longer for water to boil. For a 5-day trip, a 110g canister should be sufficient.
For two meals a day over 10 days, a single 8oz/100g fuel canister will be enough.
For three hot meals a day, a 110g canister will last about 4-5 days.
For a 5-night camping trip in cold weather, a single 100g canister should be enough.
For a 10-12 day trip, two 8.11oz/100g canisters should be sufficient.
