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Gas stove efficiency

Discussion in 'Backcountry' started by GS, Nov 30, 2020.

  1. GS

    GS Part of the Furniture Ski Pass: Gold

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    Whilst planning a longish trip and looking at where I can reduce pack weight, I decided to put my old MSR gas stove under the microscope. After a bit of research I decided to update the whole cooking kit to a Jetboil system which weighs about the same as the combined MSR stove, a pot and mug.

    So conducted myself a little test tonight and was quite surprised by the results.

    To boil 400ml of water with both stoves on max, the Jetboil used 2gms of gas vs 6gms for the MSR. The MSR also took about 50sec longer to reach boil.

    I then simmered the 400ml for 10min where the Jetboil used 5gms vs 10gms of gas for the MSR.

    Quite extraordinary I thought, and very happy to have one less gas canister in the pack.
     
    Majikthise, malas1, crackson and 2 others like this.
  2. Untele-whippet

    Untele-whippet beard stroker Ski Pass: Gold

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    What MSR were you using.
    I’ve got a Reactor and am more than pleased with it’s efficiency.
    My Pocket Rocket less so.
    A winter mix canister is important too.
     
    Chaeron likes this.
  3. GS

    GS Part of the Furniture Ski Pass: Gold

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    It is a 12 year old Superfly model. I bought it when I went OS as it can use different canister types.
     
  4. Untele-whippet

    Untele-whippet beard stroker Ski Pass: Gold

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  5. Moondog55

    Moondog55 One of Us

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    Which windscreen and pot were you using with the Superfly?
    While I've not conducted timed tests I have always thought that my cheap ALDI aluminium pot was faster then the MSR Alpine pot in stainless
     
  6. Kletterer

    Kletterer Thredbo Doughnut Tragic Moderator

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    Just been using a Soto Windmaster lately. Superior to the MSR Pocket Rocket imo. Surprising how good it performs and keeps heating in wind. Lights well every time and good stability. For more lofty and Wintery adventures i would obviously prefer the Reactor or Jetboil
     
    malas1 likes this.
  7. GS

    GS Part of the Furniture Ski Pass: Gold

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    I used my old Whisperlite windshield with 3 x clothes pegs to raise it high enough (depending on size of gas canister)

    Pot is a generic hard anodised aluminium, old MSR SS Alpine pots is car only these days. Can't believe there was a time I carried them and the bulky MSR heat exchanger!
     
    whether and Kletterer like this.
  8. crackson

    crackson Part of the Furniture Ski Pass: Gold

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    Msr do titanium saucepans.

    I have a couple. Stronger than stainless and light as aluminium.
     
    DidSurfNowSki, GS and skifree like this.
  9. Mister Tee on XC Skis

    Mister Tee on XC Skis A Local Ski Pass: Gold Ski Pass: Silver

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    I am still using methylated spirits with my Trangier stove.
     
    Ian likes this.
  10. Untele-whippet

    Untele-whippet beard stroker Ski Pass: Gold

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    Slow and steady.
     
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  11. Team Weasel

    Team Weasel One of Us

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    Same same. Used to use an XGK but got sick of the fuel issues / inherent danger of using it. Reactor for winter, Pocekt Rocket for 3 season and you're all good.

    Kill me.
     
  12. telecrag

    telecrag Old n' Crusty Ski Pass: Gold

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  13. skinavy

    skinavy One of Us Ski Pass: Gold

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    I've got a Sigg metho stove (similar to the Trangia) along with a Jetboil. The Sigg metho has its place at times and the pots and fry pan it comes with are really good. I should bodge up a means to use the Sigg windshield with the Jetboil which would be really good.
     
  14. Untele-whippet

    Untele-whippet beard stroker Ski Pass: Gold

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    Pro tip, don’t use a windshield around a fuel canister, it will trap the heat and raise the temperature of the canister until it explodes.
    I’ve witnessed old shellite choofers turn into flame throwers when combined with windshield.
    Windshields are great combined with stoves that use a remote fuel canister.
     
  15. skinavy

    skinavy One of Us Ski Pass: Gold

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    Was thinking more about how to use it as a pot stand. I guess if I made some legs for it that left the canister exposed would work. However it might all become a self defeating if it puts the pots too high above the burner.
     
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  16. crackson

    crackson Part of the Furniture Ski Pass: Gold

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    My Triangia has the little gas conversion kit. Still great for car.
     
    Ian likes this.
  17. Untele-whippet

    Untele-whippet beard stroker Ski Pass: Gold

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    I use diesel for our vehicle.....
     
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  18. GS

    GS Part of the Furniture Ski Pass: Gold

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    I experimented with a windshield for the simple gas stove and could feel a rise in canister temp using the calibrated finger feel thermometer. So then Added an extra reflector under the burner which seemed to keep canister at normal temp. Only ever used it on snow trips, no idea if it improved efficiency.

    Windshield was one from a Whisper lite and raised using clothes pegs
     
  19. Moondog55

    Moondog55 One of Us

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    When using a foil windshield with my Pocket Rocket I only used it 75% leaving one quarter open, mainly so I could use my own calibrated finger to test canister temperature.
    I now have a remote canister stove so the problem no longer exists, but the danger is exaggerated and if the person using the windscreen has some smarts its safe enough for adult bushwalkers and ski-tourers
     
  20. Ian

    Ian One of Us Ski Pass: Gold

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    I slip an extra litre bottle of metho into my mates pack. I like the silence of the Trangia and enjoy soft clink of the lid when it comes to the boil. I do have the gas adapter in case we plan on melting snow at high altitude.
     
    Mister Tee on XC Skis likes this.
  21. legend

    legend One of Us

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    I've found the Soto microregulator and the newer windmaster stoves work really well in the Australian snow (0º to -10ºC). The regulators in both stoves help use all the fuel in the cannister without the need to preheat the cannister. The windmaster works efficiently in a breeze. The time taken to boil 900ml water is better than the Jetboil (The Jetboil cannister needs to be warmed up if less than half full - it rapidly slows down).
    To warm your cannister, simply put in a pot of hot water for a few seconds. Sometimes you need to do this multiple times when the gas is running out.
     
    Chaeron likes this.