NOS Optimus 111t international issues

Discussion in 'Stove Forum' started by WilliamH, Mar 17, 2020.

  1. WilliamH

    WilliamH Canada Subscriber

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    Thank you kindly for the replies. I look forward to making some percolated coffee on it this morning.

    I hope this is my last stove....I have over 15 now, and my bank account is hurting. It sure is addicting. Hahaha

    Take care,

    W
     
  2. snwcmpr

    snwcmpr Subscriber

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    No hope for you if you already have 15.
     
  3. WilliamH

    WilliamH Canada Subscriber

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    Hahahah.....

    Here is my collection: MSR: dragonfly, xgk ex, whisperlite international.

    optimus: Polaris, 00, 2x 111 and 111t

    svea: 123, 121x2, 105.

    enders: 9061 military

    Trangia: 25-21

    biolite and solo stove.

    Also, 4 vintage lanterns.....

    it’s very addicting and expensive!!
     
    Last edited: Mar 18, 2020
  4. WilliamH

    WilliamH Canada Subscriber

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    On another note, I know methyl hydrate is very toxic to touch as it absorbs into the skin and metabolizes into formaldehyde. Other than that, is it safe to use in the trangia like bio ethanol would be? I am very aware of toxic gases like CO and the need for ventilation, but I’m wondering if other gases are released when burning methyl hydrate that are toxic.

    I want to use methyl hydrate because it’s 10x cheaper than bio ethanol.

    thanks,

    W
     
  5. JP2

    JP2 Subscriber

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    Very good question William, can not wait for an answer
    Here a good explanation on Alcohol.
    Do you have an alcohol stove by gravity? They work good !!??!!. Sorry this one was the last one. Lololo
    Turm-Sport old version
     
  6. hikerduane

    hikerduane Subscriber

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    I wasn't that interested in lanterns, but have almost 50 now, not quite as many as stoves.
    Duane
     
  7. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi @WilliamH . Regarding you question about the use of Methyl Hydrate, please see this old post by BD:

    From this thread:

    Turm-Sport old version

    Best Regards,
    Kerophile.
     
  8. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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  9. Marc

    Marc Subscriber

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    I burn yellow bottle HEET in my Trangia. It's methanol, burns hot and clean, never any soot on the pans or percolator. Pour carefully to avoid skin contact, don't breathe the fumes, don't pour it over your morning cornflakes or put it in the baby's bottle. Not recommended, but I've had no issues.
     
  10. WilliamH

    WilliamH Canada Subscriber

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    Good morning,

    Thank you again for taking the time to answer my questions.

    After using the 111t for the last couple days, the flame has changed to a more blue color, but there is still a section in the back where it's a little yellow. I'm sure after breaking it in further, the flame will all be a nice blue color. I am using K1 kerosene.

    Take care,
    W
     
  11. pysen78

    pysen78 Subscriber

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    I've used methanol in Trangias many times.
    In pressure stoves you may have problems. I believe the mix may get too lean unless you play with jets or air restrictors.

    In automotive forums, I've heard people say it's corrosive to alloys in carburettors so maybe take extra care with pots and pans.
     
  12. WilliamH

    WilliamH Canada Subscriber

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    Hey guys,

    sorry to ask about this stove again, but I’ve run into a new issue that I can’t figure out.

    I was trying to figure out why the flame was more powerful on the right side vs the left, so I took apart the spindle, jet and cleaning needle.

    After everything was cleaned and inspected, I put everything back together. I have tried tightening the spindle, but a flame still comes out from it telling me that there is a leak. The graphite packing seems to be in good condition.

    With the cleaning needle, I have tried 4-6 clicks, and when the spindle is fully turned clockwise(off), during warm up, the vaporized kerosene starts coming out of the jet and ignites. So off doesn’t work anymore.

    Any help would be appreciated.

    Thank you.

    W
     
  13. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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  14. WilliamH

    WilliamH Canada Subscriber

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    Thanks Kero, that helped out a lot!
     
  15. The Warrior

    The Warrior United States Subscriber

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  16. WilliamH

    WilliamH Canada Subscriber

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    Thanks Guys!

    I took the entire stove apart, cleaned everything, replaced the graphite, and changed the cleaning needle to 3 clicks. The stove now is perfect. Perfect symmetrical flame, blue and powerful.

    Have a great day!

    W
     
  17. The Warrior

    The Warrior United States Subscriber

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    Congrats man, nice work.
     
  18. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi @WilliamH . I am glad that you now have your NOS Op.111 operating as you would wish.
    Best Regards,
    Kerophile.
     
  19. WilliamH

    WilliamH Canada Subscriber

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    @kerophile

    Thank you sir.

    One more question if I may: The fuel tank seems to heat up pretty fast in a manner of 10-15 minutes when I'm making my morning coffee. My heat shield over the fuel tank needs to be polished as its pretty dull looking right now. Would polishing it help with reflecting heat from the burner or maybe I can make an additional shield out of tin foil.

    Thanks,
    W
     
  20. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi, @William. As long as the kettle or pot is not so large that it totally overhangs the stove base and tank you should be OK. There needs to be some heating of the tank to pressurise the air volume above the fuel in the tank. If you can still touch the tank without burning your finger you should be OK.
    You can certainly experiment with a layer of shiny foil added to the heat shield, but these stoves are very well designed and have stood the test of time.

    Best Regards,
    Kerophile.