1952 - Primus no 1321 för sprit (alcohol)

Discussion in '1321' started by Morgan H, Mar 3, 2019.

  1. Morgan H Sweden

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    This is my first pressure lamp and after 1 year I haven´t started it yet. :content:
    The needle was broken and the jet was missing. So right now I have found the right needle, but the jet is a bit too big 3.7mm

    20190216_111756.jpg 20190302_092542.jpg
    1321.jpg
     
    Last edited by a moderator: Mar 3, 2019
  2. MarkC

    MarkC Subscriber

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    I have the 1320 lamp but the opposite problem. Jet is fine but needle gone.

    I used a 1020 needle and it works ok. On first start you need to be on top of the pricker but once it gets to temperature it runs very well.

    Strange thing was the type of old needle I replaced. It was much longer than a normal Primus one and was attached to a 991 rod.
    Took quite a bit of head scratching to get to the bottom of it. Lucky I had a few lamps to take apart and compare parts.

    Anyway it is a great lamp and one of my favourites.
     
  3. Morgan H Sweden

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    Jet...

    20190225_201220.jpg
     
  4. Morgan H Sweden

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    Throttling...

    20190225_201329.jpg
     
  5. Titoo

    Titoo France Subscriber

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    During the WW II the builders converted the lamps with alcohol.
    Oil and gas were requisitioned for the army.

    I think this lamp is 300 cp.
    Your new needle should be 0,18 mm in diameter.
    Can you try a Primus N°1020 jet ?

    Your lamp are very nice :clap:
    I love Primus product high quality :content:

    Regards,
    Titoo.
     
  6. Morgan H Sweden

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    It will not work with the throttling and I think it should have a 0,32 mm in diameter jet to work properly. Jet numbre I have found it 6007 but have not yet found it. 20190225_201257.jpg
     
  7. Carlsson

    Carlsson Sweden Admin/Founder Member

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    That is a very strange looking jet (nipple/munstycke)! Flat and strange...

    The alcohol converted lamps I have encountered still had jets that looked like the paraffin versions of each brand. Just with a larger orifice, and perhaps without a parts number stamped on it.
    The one you have there doesn't seem to be correct since you are able to see the inner part of the vapouriser. I can't understand how it makes a good seal against the vapouriser with that strange appearence.:-k

    This is one example of a proper Primus jet for alcohol (to the right, of course). It's for a 391:
    [​IMG]
     
  8. Nils Stephenson

    Nils Stephenson Founder Member

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    I agree with Christer. That is a very strange looking jet. They should look like the standard jet but with a larger hole. For the 1321 the hole should be 0.32mm. The hole in the restrictor in the air tube should be 5mm.

    The cleaning needle rod for the alcohol lamps has a short removable section at the upper end that holds a small brass mesh disc in place. The cleaning needle looks like the standard needles, only with a larger diameter wire.
     
  9. Bo Ryman

    Bo Ryman Founder Member Subscriber

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    Hi Morgan

    A very nice looking lamp. These were ordered by the Swedish army during the ww2 and appears now and the in top condition as the have not been used very much.
    Since it is an alcohol burning model it has the reducer in the air inlet tube. As Christer sais it use a special jet and pricker, the one fitted to your lamp does not looks right.
    So question is if you want to keep it original or convert it to kerosene?
    Alcohol jet and needle is more hard to find but not impossible.
    But if converting it to kerosene you are not able to use the quickstarter.
    So it is a matter of what you are intending to do with it in the future.

    Bo
     
  10. Morgan H Sweden

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    Of course keep it original, you can buy a lot of 1020 but not 1321. My is stamped AR so a 1952. So i will buy a 1020 jet and drill it to right size.
     
  11. MarkC

    MarkC Subscriber

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    Good idea. Running on alcohol is great:lol:

    Thanks @Nils Stephenson for the tip about the pricker rod. I will have to investigate my lamp further. Do you have a pic of how the brass mesh disc should look?
     
  12. JEFF JOHNSON

    JEFF JOHNSON United Kingdom Subscriber

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    Happy fettling!:thumbup:
     
  13. Henry Plews

    Henry Plews Subscriber

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    @MarkC
    Have a look at the images here
    1944 Primus 1321

    Henry.
     
  14. LLOrionLL Singapore

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    That copper mesh is very important, I modified a 1020 when I did not install that copper mesh, resulting in frequent clogging
     

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