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Building A Bellows Fed Portable Forge
Written by Franklyn D. Garland   
Page 3 of 11
 

Setting the slats      Lay the slats across the firepot with the ends supported on the angle iron strips.  The size and spacing of these pieces will depend on what you have laying around and the manner in which you build the floor of the firepot.  I used standard plumbing pieces, so I use four slats and leave a slightly larger space in the center to accommodate the diameter of my pipe flange.  The slats themselves are approximately 1/8" by 2" stock.

The floor of the firepot
The floor of the firepot
    The floor of the firepot is a piece of sheet metal. In this case I used 16 gauge but any thickness rigid enough to support the weight of the bricks and coal will do.   The tuyere is a small square of 1/4" plate steel, drilled with five holes.  Four holes were drilled and counter-sunk to match up with the bolt holes on a standard pipe flange and large machine screws were used to bolt the tuyere to the flange with the sheet metal sandwiched in between.

Image      If you look at the slats that were placed previously, you can see why the spacing in the center of the firebox needed to be larger to accommodate the pipe flange.  If the flange lies on top of the slats the whole assembly will rock and that can be very dangerous and difficult to work with.


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