[TheForge] propane forge

[Steve Smith]

Jacques,

I currently have walking pneumonia, so be careful that my advice is 
making sense. However, there are solutions to your problem.

You likely have the wrong mixture. This can really lower your top 
temperature. Too much air is a good possibility.

Another approach which is cheap and works *very* nicely is to use the 
Reil burner. This burner does not use a blower and gets every bit as 
hot. The burner body is an 8" (or so) length of 3/4" pipe, screwed into 
an adapter (3/4 to 1.5"). The wide end is your air entrance. On the 
flame end (plain 3/4 pipe so far), goes a special flare which you either 
make or buy (I strongly urge you to buy from Larry Zoller). In the 
adapter you need a gas jet which points straight down the tube. I use a 
#58 drill hole in a piece of 1/8" gas pipe. If your mounting method 
allows aligning the jet, it can be easily aligned by shooting water 
through it and aiming straight through the tube. There are many wrinkles 
on how to build these; pick the easiest one and go.

Ron Reil's forge and burner page (huge amounts of information here)
http://www.reil1.net/design1.shtml
The Reil burner:
http://www.reil1.net/design1.shtml#Reil

Larry Zoller's burner flares:
http://www.geocities.com/zoellerforge/flare.html

Good luck, let us know how it goes
Steve Smith


jacques gallant wrote:
> 
> 
> I built a propane forge according to the plans by Hans Peot 
> (http://www.abana.org/downloads/education/pipeforge.pdf) and i am having 
> some trouble getting it up to heat.  Well the "flame holder" gets up to 
> a very pretty orange (not quite yellow, but above cherry red) and the 
> whole body gets almost too hot to touch in a few minutes, but it doesn't 
> seem to do much to heat metal-not like my coal forge.
> 
> The pressure for my propane is being controlled by an acetylene 
> regulator, and the blower provides at least 150 cfm, but I can't seem to 
> get the whole inside of the forge to fill with that pretty orange flame 
> that i've seen in other people's forges.  I must confess, i made one 
> slight modification to the design, i used 12 inch pipe instead of 10 
> inch pipe for the body of the forge because I wanted something slightly 
> more all purpose than a small bladesmith's forge.
> 
> If anyone has any ideas on the matter, i'd appreciate them, i've been 
> having a hard time finding anyone who knows anything about propane.
> 
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