So I was asked to try and impart what I have learned about designing a side blast forge. So I will  give it a try.  First, how I came by my knowledge. I started by asking members from England about their forges, and I googled commercial English forges. I went so far as to read adverts that had pictures of old forges for sale.  Then I asked another member, our expert on Civil War blacksmithing. He shared some blueprints for traveling forges, mountain howitzer pack forges, and navy porta