-----Original Message----- >From: mark olson <kc5gym at cox.net> >Sent: Nov 21, 2007 6:39 PM >To: tesla at pupman.com >Subject: [TCML] aperture gap > >if a gap were to be made with a disk with indexed apertures in it for the >gap to occur (disk attached to motor) >then what? 8-) > The spark acts like a plasma cutter and rapidly erodes the disk.