Re: Sun MFM hard disk controller for Lisa?

["John King" <joki@eskimo.com>]

FWIW ...
"Sticktion" was common on a certain older Seagate drive (251??) and as I
recall it was the *head* "sticking" to the platter. So be careful, if it is
as above you can literally snap the head off arm.

Since it doesn't work now, oh well. There are drive repair people, but they
always seems so expensive.


<tturner@ecn.ab.ca> wrote in message 38c7fde3@ecn.ab.ca">news:38c7fde3@ecn.ab.ca...
> Paul Grammens (grammens@svn.net) wrote:
>
> : Patrick Sch�fer <Patrick.Schaefer@topmail.de> wrote in message
> : 38C777E8.D4E8683@topmail.de">news:38C777E8.D4E8683@topmail.de...
> : >  Currently it
> : > doesn't do anything, it doesn't even spin up.
>
> : I  can't help you with the more complicated problems, but it's pretty
common
> : for a drive that has sat for 10 or 15 years to stick and not spin up.
Remove
> : the drive and give it a snap with your wrist. The idea is to use the
inertia
> : of the platters to budge them a bit, so rotate the drive in the plane of
the
> : platters and suddenly reverse direction.
> <snip>
>
> --> I recall this being discussed and of the phenomena even having
>     a descriptive name:  "sticktion".
>
>     Once the drive gets past the 'stuck' point, it usually spins
>     up to speed with no problem. The lubrication on the spindle
>     tends to dry out, eventually, on older drives. The technique
>     described above often solved the problem.
> --
> E.A.G.L.E Librarian A3 BBS:403/481-3133
email:tturner@freenet.edmonton.ab.ca