[TheForge] propane forge burner book

[John Newman]

If I make it to the conference I will probably pick up the book as well, but
getting one shipped across the border almost doubles the price when buying one
book.

Ralph Sproul wrote:

>         John, Thanks for asking that question.  I'm interested in the answer
> as well.   :-)
>
>         From the reading I've done it appears a Mig tip would greatly
> influence the burner performance, but this can be double edged sword in this
> design.
>         1) yes you may get more heat, and increased velocity - but
>         2) do you really want to create cold spots on the material from
> unburned fuels if you increase the velocity of the gasses and it cascades
> down to the floor creating cold spots?         This was part of my trial and
> error of making this unit work right, by eliminating the straight burners
> and getting it to idle better, stopping the chimney effect, and it also
> slowed the velocity of the burners when I went to the "Trap" style burners
> to solve that problem (of too much velocity and the resulting cold spots and
> more scale).  It made the total burn occur 1" off the floor of the forge.
> Making the flame longer might get you back to the original problem.
>
>         I've been wanting to test out this theory on the burners/forges I
> have here in the shop, but my work load has been nuts lately.  Let me know
> how you make out.......if I don't get to it first.
>         The sidearm burners are far superior in my estimation as the ceiling
> furnace in the shop, and cross draft from opening doors at both ends of the
> shop, makes these more "windproof".  My goal is to work outside with the
> forge, or actually create a "windproof enough" burner to use it right on the
> acorn table to heat my parts on firebricks and get away from moving heavy
> cross sections in garden sculptures in and out of a forge all together.
>         Basicly creating a "rosebud" run off propane derived from hardware
> bought parts that you can just let set a while and not use those high
> pressure oxygen driven units that eat two 200 Cu Ft Oxygen tanks in a day of
> heavy bending (like on a gate or gazebo project).
>         If you point the sidearm burner intakes that are behind the heat
> shield, away from a wind source, I've found I can run an 18" shop fan three
> feet from the forge and not affect the burners.  If you have other burners
> that will perform this well in the wind, please let me know!
>