But if you’ve ever built one, you know how tedious winding the secondary coil is ... into the design — He’s even got a semi-flexible 3D printed motor coupler on the wire-guide axis ...

Design engineers should know how transformers ... The device commonly contains two wire coils: the primary winding and the secondary winding. These coils are wrapped around a central laminated ...

Anyone who has ever wound a toroidal coil ... wire through the toroid’s core while simultaneously rotating the toroid to spread the windings out as evenly as possible. That obviously requires a ...