> That seems to me like it would be the trickiest part. The TU58 schematic > appears to indicate that there are
I think so. Of course you could cheat by making it a read-only tape. But I don't like that. > separate erase head gaps (not on a separate head like in audio cassette > drives), so maybe those could be I am pretty sure there is just one physical head on the TU58 drive chassis. So if there is a separate erase field, it is a second gap in that head. > monitored to detect when a track is being written? Of course, that probably > means that a custom 4-gap head > would need to be made with gaps matching the two read/write and two erase > gaps (and a concave surface, > too, rather than recycling some audio tape head with suitable geometry to > line up with just the read/write gaps. Ouch. Good luck in getting that, and even more luck in getting it positioned properly! -tony
