If you've spent any amount of time watching a master work a flat metal panel into complex curves with an English wheel, then tried to do the same yourself, you're undoubtedly as convinced as I am that it must be one of the dark arts. That said, if you're inclined to give it a shot, then you might as well build your own! Here are some ideas to get you started:

Building An English Wheel and Planishing Hammer Combined Machine by ChopperzUK

English Wheel Made From Scrap by hanandy92's channel

Building of the English Wheel by Journeyman 60

English Wheel Build by Daniel Owen