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first valve now burner question

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  • first valve now burner question

    I posted a ? about how to make a valve and got some very good advice, so good I made a simple one and it works, but now I need some help on the burner. It burns like a candle, and lacks the blue intense flame of the handheld butane torch I took the burner tip (pictured below, hopefully) from. I am using the same fuel so what is wrong? Any help is needed. Scott.

    http://lathegear.com/13cc24e0.jpg
    \"Be skeptical of any perpetual-motion proposal in which the assumed motion causes no change in the position of the center of mass of any part of the system\"

  • #2
    Try picture again:
    \"Be skeptical of any perpetual-motion proposal in which the assumed motion causes no change in the position of the center of mass of any part of the system\"

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    • #3
      It appears that it's burning just the fuel and no oxygen (air) is being added to the flame to give it the characteristic blue color. Least that's how it looks.

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      • #4
        I suspect you are right, this was suggested on another forum but how would I get air into the mixture? The only way I can think of is to drill some small holes around the tube by the burner tip. I wonder if this is a pressure problem too. The original torch had a very small orafice in the supply tube, I don't have a drill that small anymore, Scott.
        \"Be skeptical of any perpetual-motion proposal in which the assumed motion causes no change in the position of the center of mass of any part of the system\"

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        • #5
          Small drill BIT that is... can someone tell me where the edit button is on here?
          \"Be skeptical of any perpetual-motion proposal in which the assumed motion causes no change in the position of the center of mass of any part of the system\"

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          • #6
            The burner in backyard casting's page is a piece of 3/4" pipe with 7/32 holes drilled in it to add air.. It has a flare or funnel on the end, when a burner is outside the furnace it must have a sheetmetal tip to make the flame look right.

            http://www.backyardmetalcasting.com/ the site...

            No connection..



            [This message has been edited by ibewgypsie (edited 11-11-2005).]

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            • #7
              http://www.backyardmetalcasting.com/rolledflares.html

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              • #8
                Aha! You have answered my question in more ways than one with that link. I have very little pressure to pull the air through the orifices (I checked and the tip does havem) on the tip. I need to put some sort of reducer in-line by the burner tip. Plus a shroud. Appreciate the help, ibewgypsie.

                Scott.
                \"Be skeptical of any perpetual-motion proposal in which the assumed motion causes no change in the position of the center of mass of any part of the system\"

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                • #9
                  I put a weed burner in one furnace.. I got it on sale less than $20.. took a tubing bender and folded a 90 on the end.. I first used it under grandma's old iron pot to cook some food...

                  I think I remember Spence using the same deal..

                  --

                  [This message has been edited by ibewgypsie (edited 11-11-2005).]

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