Firing up the stove and making Primus 100 supports

Discussion in 'Stove Forum' started by Knee, Sep 28, 2022.

  1. Knee

    Knee Poland PotY Winner SotM Winner Subscriber

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    Today I decided to fire up the Primus 100 I bought a few days ago. e supports it was equipped with were a bit ridiculous, and as @Jeopardy noted too low in relation to the burner.
    I decided that I would remake them. Using a vise and a hammer, I first straightened the rods, and then bent them to the right shape quite easily. I used a vise with two 12 bolts and a tube as an arm extension.Finally, I cleaned the corrosion and placed them in the brackets.
    IMG_20220928_073045924.jpg IMG_20220928_074022926.jpg IMG_20220928_074512746.jpg IMG_20220928_081823750.jpg
    They are attached to the tank at an angle but I decided to leave them that way because my soldering skills are meager (I don't want the stove tank to suffer)
    Then I did an inspection of the burner and saw that there was a large burn hole under the nozzle seat.the nozzle seat.I repositioned the nozzle (which looks good after puncturing) to the Radius burner, put on the washers and screwed it to the adapter. I replaced the filler cap washer and the pump skin. I did not remove the NRV because I found that it pumps well and holds pressure.
    After these preparations, I flooded the tank with fuel, the spirit cup with alcohol and fired it up. At first, a green flame came out of the burner, and after a while and a little pumping, the flame turned blue and got a good power.
    I set the coffee and after a few minutes it was ready.
    Greetings IMG_20220928_152444576.jpg IMG_20220928_152955425.jpg IMG_20220928_153017286.jpg IMG_20220928_153211733.jpg IMG_20220927_191548179.jpg
     
    Last edited by a moderator: Sep 28, 2022
  2. presscall

    presscall United Kingdom PotY Winner SotM Winner SotY Winner Subscriber

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    Not a fault, quite a few stoves feature an inward lean of the pot supports.

    Great job you made of the re-forming of the supports. Very expertly done.

    So you’ve replaced the burner with the hole under the jet seat with another burner?
     
  3. Knee

    Knee Poland PotY Winner SotM Winner Subscriber

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    Hi @presscall .Thanks for the kind words. That's how I put on the Radius burner, and left the nozzle from the burned-out Premier.
    Greetings
     
  4. Twoberth

    Twoberth United Kingdom SotM Winner Subscriber

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    @Knee. Well done! This method of making pot stand legs with two bolts in a vice is a very versatile method. By using different diameter bolts with different spacing you can make different radius bends in different thickness material, allowing you to make good reproduction legs for many makes of stove without any jigging. :thumbup::thumbup:
     
  5. ROBBO55

    ROBBO55 Subscriber

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    Nice work reshaping the pot supports :thumbup:
     
  6. Firestarter United Kingdom

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    Excellent work on the legs!
     
  7. Jeopardy

    Jeopardy Subscriber

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    @Knee looks like you've done an excellent job there. Congratulations.
    Regards
    John
     
  8. Knee

    Knee Poland PotY Winner SotM Winner Subscriber

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    Thank you all very much for your attention and complimentary comments.
    As for working with supports, I have seen many interesting bending methods here in the fettle section, but as I am a bit lazy,I have found a very trivial solution good for me.
    Regards
     
  9. CW

    CW United States Subscriber

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    Well done I will follow this post
     
  10. Jeopardy

    Jeopardy Subscriber

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    bending the supports around two round headed bolts that are clamped in a vice is genius. Especially if you're not going in to mass production. Also, you were trying to make 3 legs from straight rod and were not worried about matching an existing pot support which makes such an easy jig really useable.
    I've filed that idea away for future use.
    Regards
    John
     
  11. Knee

    Knee Poland PotY Winner SotM Winner Subscriber

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    Thanks @Jeopardy . It's true,the method is very simple. You have to use quite a lot of force when tightening the jaws of the vise, or you have to file the threads on both sides of the bolt a bit flat ( more surface to squeeze)
    I have also applied this method to the 96.
    Regard IMG_20220606_133428001.jpg IMG_20220606_133545131.jpg IMG_20220618_104109227_HDR.jpg s.
     
  12. Svea106 United Kingdom

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    Good work - interesting coffee pot too!
     
  13. Rangie

    Rangie SotM Winner Subscriber

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    Neat job, nicely done.

    Your old burner looks repairable, you should be able to fill/hard-solder that hole with a little patience. :content::thumbup:
    Alec.
     
  14. Twoberth

    Twoberth United Kingdom SotM Winner Subscriber

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    Following on from the 'no jig' method of making pot stand legs, some stoves require bottom ends that are formed to rest on the top rim of the stove tank. These can be formed using two bits of scrap steel (angle iron is easiest) and the vice.

    2022-10-01 001 003.JPG

    heat the end to orange heat with a propane torch and clamp between the two angle irons to form the kink.

    2022-10-01 001 001.JPG

    2022-10-01 001 002.JPG

    A couple of heatings may be necessary depending on the leg thickness, and then a final file for the inside flat.
    2022-10-01 001 009.JPG

    This is the bottom of a leg for a Shinabro 340.

    2022-10-01 001 007.JPG
     
  15. Knee

    Knee Poland PotY Winner SotM Winner Subscriber

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    Thanks @Twoberth .. Great! I will definitely use your method at some point.