On Tue, Jan 03, 2017 at 04:19:01PM -0500, Paul Koning wrote: > Making a new drum sounds like a great class project for an ambitious > machine shop student.
Very ambitious. IIRC for the G-15 there is/are (one? two?) timing track(s) which were written at the factory. Of course whatever that machine was, has not survived. I remember reading that if you lost that timing track, your machine was toast. mcl
