[TheForge] reducing fuel costs by improving forge efficiency.

[Peter Fels And Phoebe Palmer]

Terry:
The Sandia forge design does that and it goes a long way on a tank of 
gas. Good insulation and an IR reflector spray help a lot too.

terry l. ridder wrote:

>hello;
>
>while i have not giving up on the idea of using coal instead of propane
>further research points to improving the forge and perhaps the crucible
>furnances efficiency in order to reduce propane cost.
>
>most methods to improve forge efficiency have been discussed before on
>theforge in the past.
>
>in looking at kiln designs and charcoal retort designs the most common
>method is to preheat the combustion air. 
>
>so for the near term i will experiement with pre-heating the combustion
>air used by the forge.
>
>  
>