
Introduction | page 40 | https://thedailydialectics.com/pdfs/tesla/Introduction/Introduction.pdf
Jigs for the rotors PCD jig for drilling holes The magnet rotors are mounted on a bearing hub (see diagram 10). The hub has a flange with holes in it. For example there may be four holes on a 102mm (4 inch) ‘pitch circle diameter’ (PCD). Or you may have some other arrangement. This will depend on…