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Re: Mikey Burners

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  • Michael Porter
    True, but I just stumbled across it on the net, under Mikey burners.
    Message 1 of 11 , Feb 26, 2013
      True, but I just stumbled across it on the net, under Mikey burners.

      --- In hobbicast@yahoogroups.com, StoneTool <owly@...> wrote:
      >
      > Boy.......... THAT'S AN OLD POST !!!
      >
      > I've built 5 of these big Mikey burners, three of which are in a
      > single cluster burner. The three burners are joined to a 1-3 air
      > fitting using copper pipe. A standard shop air fitting designed to
      > allow you to run three whip hoses from one primary hose..... inexpensive
      > aluminum part. It takes 2 100 lb bottles manifolded together to supply
      > enough gas without icing up excessively. The fireball is downright scary!
      >
      >
      > Howard
      >
      >
      >
      > On 02/26/2013 11:55 AM, Michael Porter wrote:
      > > You're welcome Howard.
      > >
      > > I especially liked the round bar rings as nozzle spacer.
      > > Mikey
      > >
      > > --- In hobbicast@yahoogroups.com, Stone Tool<owly@> wrote:
      > >> I'm making several 1 1/4" Mikey Burners. to run my big tilting melt
      > >> down furnace. I tried to use an oil furnace burner, but couldn't get the
      > >> heat out of it I wanted. The first burner was built more or less to
      > >> plans with all the aiming screws and stuff... works well. I'm building
      > >> the others using the lathe and mill for accuracy and eliminating all
      > >> adjustments except for nozzle projection (sliding in and out), and of
      > >> course the choke. The two inch stainless flare will be welded into
      > >> place. The air slots are milled with an end mill....... I am leaving
      > >> them round to start with for comparison with the original with it's
      > >> square ended slots. My thinking here is that the end plug where the
      > >> nozzle enters the burner tube can be made so it just overlaps the round
      > >> ends enough to square them... the forward ends won't matter because the
      > >> choke doesn't make much difference out of end of travel... max air.
      > >> The original works beautifully with an .045 tip. I tried an .062 tip
      > >> and couldn't get enough air to it... still pretty good, but some orange
      > >> tips on the flame. I tried the .062 both straight and tapered... didn't
      > >> seem to make much difference. I'm tapering them in the lathe as I can't
      > >> get them locally in a tapered tip in these sizes. Gas pressure is about
      > >> 25 lbs.
      > >> The Mikey 1.25 inch burner throws an impressive fireball........ very
      > >> impressive!..... but not enough for my monster furnace to heat at
      > >> anything like the rate I want. I'm looking at a cluster of 2 or 3 of
      > >> them rather than building a monster. I have all the stuff to make the
      > >> 1.25" burner including 2" stainless.
      > >>
      > >> Notes:
      > >>
      > >> 1: Electrical conduit makes a perfect slip fit on the outside of
      > >> 1.25" black pipe for a choke sleeve. Re: [hobbicast]
      > >> BackyardMetalcasting.com has been updated
      > >>
      > >> 2: If you have a lathe, it is pretty easy to press a bolt into
      > >> ordinary schedule 40 1/4" pipe and drill it and tap for a
      > >> mig tip rather than buying expensive 1/8 schedule 80
      > >>
      > >> 3: 1/4" rod wrapped around the end of the burner tube and spot
      > >> welded to it ( two pieces spaced apart )... makes a quick
      > >> and easy bushing for the flare to ride on. Spin it in the
      > >> lathe or on the grinder to bring it down to a good fit,
      > >> optimize and weld with 308-16 rod
      > >>
      > >> 4: It is easier to machine a plug for the end of the pipe with a
      > >> lathe drilled hole than to mess around with taps and set
      > >> screws on the nozzle holder. I won't do that again. This
      > >> way only one set screw is needed and of course one tapped
      > >> hole.
      > >>
      > >> 5: An acetylene regulator attaches easily to a propane bottle and
      > >> allows you to crank the pressure up enough to do the job.
      > >>
      > >>
      > >> H.W.
      > >>
      > >> P.S. Thanks Mikey.....for all your hard work in R&D on these.
      > >> Your book was an excellet investment ... money well spent.
      > >> I highly recommend it to anybody who wants to build a burner.
      > >>
      > >
      > >
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