Square Body Gas Forge
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This
is a new atmospheric gas forge that I just built. It is
made from a piece of 10" square tubing that is 16" long. It
features
two Modified
sidearm burners
for the heat source.
I put a 15 degree bend in the burner tubes using a hydraulic pipe
bender,
this is to help stop the heat of the forge from radiating up the
burners.
Two holes were drilled in the top of the forge and two pieces of 1 1/2"
schedule 80 pipe 3" long were welded in to hold the burners in
place.
There are three holes that were drilled and tapped for 1/4-20 NC screws
to hold the burners in the pieces of pipe.
Update: We have found
that the 15 degree bend in the burner tubes is not necessary, they
actually run better with out it. The heat coming up will not hurt
the burners.
Here is a picture of the front of the forge, with a removable door
which has a 4" x 4" opening. The detachable door can be quickly
removed
by simply taking the hinge pin out.
Here is a picture of the rear of the forge also with a removable
door.
The door is held on by the tabs on the sides. It has two sets of
tabs (I got the idea of the tabs from the Blacksmiths Journal, June
2003
issue, which I modified) one set so that the back door is completely
closed,
and the other set leaves a 2" opening along the bottom. (See Below)
Here you can see the back door open by using the second set of tabs,
so you can pass your stock through with minimal heat lose.
Here is a picture of the inside of the forge, it's lined with 1"- 20
pound density Duraboard. The Duraboard has been coated with a 9
mil. thick coating of Fiberfrax QF-180. I have had a lot of
people asked for a source for the 10" square tubing. My
sugestions is to go to a local sheet metal shop and have them fabricate
you one out of 10 gauge stock. The cost would not be that great
to have this made. I just used the 10" square tubing because I
just happened to have a couple of pieces of it.
