British no 12 jet

Discussion in 'Stove Forum' started by Timothy Epp, Jan 9, 2021 at 6:49 PM.

  1. Timothy Epp

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    Hi all. I picked up a well used British no 12 this fall as a Christmas present to myself, and companion to my much appreciated Heinze Geniol.

    I washed out the tank, and burned a couple hours of Kerosene. I've also used it for a few outside cooking jobs like deep frying and soup stock boiling. At full throttle the flame is solid blue, very tall, and very loud! However, as I throttle down to a simmer, it turns yellow and leaves a carbon deposit on the pot.

    I assume this is probably a worn jet because:

    1. The flame was more blue (but not great) when I swapped in a used tip from my 111t, and
    20210107_213919.jpg


    2. The flame was even more blue when I changed to Coleman fuel.
    20210103_171601.jpg


    Can anyone tell me what tip is recommended? I need to order a few small things from Base Camp (and a seal kit from Fettlebox), so might as well include this. Thanks alot.

    Tim
     
  2. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Last edited: Jan 9, 2021 at 8:45 PM
  3. Timothy Epp

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    Thanks @kerophile, that would be a #2509?

    Tim
     
  4. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi @Timothy Epp . I believe that the Optimus #2509 will fit the Military No.12 stove. You can ask Base Camp to confirm before ordering.

    You showed us an image of your No.12 stove operating on Coleman fuel. I am sure that you are aware that this stove was not specified for gasoline/ Coleman fuel and if you chose to use this fuel that you are aware of the risks involved.

    In particular you must ensure that the NRV (Non-Return Valve is in very good condition so that in operation you do not get a gasoline leak into the pump-tube and out past the pump cap. If you do, things can get exciting very quickly should this gasoline ignite!

    Be Aware.
    Best Regards,
    Keophile.
     
  5. frg7700

    frg7700 Subscriber

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    Where can I get these jets?
     
  6. Timothy Epp

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    @frg7700 I believe Base Camp or ebay has these. Between Brexit and super-covid however, not sure if post is leaving the UK these days?

    @kerophile thanks for the caution, the fuel cap gaskets and NRV were soft. I have other white gas stoves, so was planning on burning only kerosene in the No 12. Just wanted to compare the flames.

    Actually, I learned the importance of an NRV years ago when Optimus shipped my new Hiker+ without one! It's first use was on my back patio was eventful, and I learned to check such things.

    Tim