8 Feb
2009
8 Feb
'09
7:39 p.m.
On 8 Feb 2009 at 18:50, Peter C. Wallace wrote:
cheap trick would be to just microstep the head
positioner
probably good to 1/4-1/8 of a track (if the leadscrew/band is that good)
might need to approach from one side only because of leadscrew-nut backlash
Now that I think about it, one of the Drivetec 5.25" floppy drives
would be well-suited to this, with only a bit of reprogramming of the
6800-family microcontroller. Positioning with two steppers--coarse
and fine.
Cheers,
Chuck