[TheForge] propane forge

Tue Aug 27 19:35:01 2002

Good point, Jay.

Steve

Jay Hayes wrote:
> The fact that you say the body of your forge gets very hot quickly indicates
> that you don't have enough refractory insulation to hold the heat in the forge.
> I know the plans you used called for only one inch of ceramic fiber and some say
> that is enough, but you will see a BIG improvement by adding more insulation.
> Two inches should be the minimum and three inches is even better. The cost of
> the additional ceramic fiber is negligible compared to the cost of the extra LP
> gas that will be saved over the life of the forge. The forge will also reach
> higher temperatures and heat up faster. Coating the inside of the forge with
> ITC-100 will also further improve the fuel efficiency and performance.
> 
> Jay Hayes
> 
> 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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