Builders are some of the most fascinating characters in motorcycling today, with fame and influence that reaches every corner of the sport. But what makes them tick? Are they just fellow riders with more skill and ambition than the rest of us? Meet Eric Gorges, founder of Detroit’s Voodoo Choppers and host of the American Public Television series, “A Craftsman’s Legacy.” Besides creating bespoke motorcycles, Gorges has made a career out of studying people who work with their hands. In this candid conversation, he reveals that the drive to make things is an obsession all its own, even if it happens to mirror everything we love about riding motorcycles.