On May 30, 20:47, Larry Anderson wrote:
As for hub rings I heard they were required (for
gripping purposes) for
the older Apple drives (the metal boxy ones), maybe even for the 4040s,
but I know without them on those old lever drives, you could sure mangle
a non-protected center hole clamping down on one.
Yes, the main reason for hub rings was to minimise the damage when you did
that :-) Our Apple Disk ][s and Commodore 4040/8050 drives never needed
disks with hub rings when they were new, and the ones I have now still
Anyone have a hub-ring kit still? (reminds me of
today's CD stompers)
Alas, no. I remember them, though.
> As others have said, you need disks intended for
> density, not HD. I've also met one 1541
owner who swears that disks
> without hub rings won't work in his drive (and never did) because the
> mechanism doesn't grip them tightly enough (though I'm fairly sure
> just due to a soft spring or a missing screw on
the frame somewhere).
Pete Peter Turnbull
University of York