I'm just starting out. In did a test fire in my fire pit with wood scraps and got my metal real hot twice. It took a huge pile of wood just to do that. So I built me a forge out of a tire rim and exhaust pipe. Got some coal and used a hair dryer for air. Tried for four hours yesterday to heat some steel. Failed miserably. I got the coal the begin to start once but after that it would not burn. Read up ans saw a few videos and apparently my air holes are too few and my air I was sending was too fast. So I'll be babysitting all week and Friday I'll try again with more vent holes, a way to impede the air pressure, and a ton of hope.
My forge is a rim from a temp tire, with a grate on the 2 inch hole and cement/firebrick making it rectangular like I've seen done so often. It's on a pillar of cinderblocks and cemented so I have a place to store unused coal. My coal is Tractor Supply anthracite.
Willing to try any tips for making a good coal fire.