Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!texbell!sugar!ssd
From: ssd@sugar.hackercorp.com (Scott Denham)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Seagate fails on powerup
Summary: Nope, it's stiction all right!
Message-ID: <6152@sugar.hackercorp.com>
Date: 5 Aug 90 06:13:08 GMT
References: <1990Jul30.153310.7818@ncsuvx.ncsu.edu> <32282@cup.portal.com> <10779@wehi.dn.mu.oz>
Organization: Sugar Land Unix - Houston
Lines: 25

In article <10779@wehi.dn.mu.oz>, BAXTER_A@wehi.dn.mu.oz writes:
> I'm not at all sure this is the same problem that Quantum made famous at all.
> Another possibility is that the brush/ contact arrangement of the motor is
> a bit suboptimal, and that it is possible for the motor to come to rest
> without the brushes being in touch with any contacts. In this case, the 
> motor will start again if it is turned very slightly; cf stiction when
> it would require to be turned quite a lot. The 'very slightly' is probably
> on par with the gentle thump on the side of the case that many people have
> reported to work. Lots of motors develop this problem with age (as the brushes
> wear) and many people may have noticed it with their vacuum cleaner.
> 
> Regards Alan


 No, I'm quite certain that the Seagate problem is stiction and not a
faulty motor design; I've dealt with a number of them and am currently
a double qualified member of the "Seagate Stiction Victim's Club" myself
:( :( :(  When one applies the twist of life to the nasty little things
spindle, you can feel the thing break loose, and after that the drive
will turn quite freely.