Help identifying a big ol' drive platter

[Roy J. Tellason]

On Friday 23 January 2009 11:55:10 pm Josh Dersch wrote:
> Chuck Guzis wrote:
> > On 22 Jan 2009 at 3:42, William Maddox wrote:
> >> I've seen large platters like this on head-per-track disks
> >> made by Burroughs.  There's one on the Illiac IV at CHM.
> >> I saw a similar drive at CMU that was allegedly the swapping
> >> disk for a DEC KA-10.  I vaguely remember being told that
> >> the capacity was 512K words (36 bit on the KA-10).  The
> >> drive was designed for speed, not capacity.
> >
> > Could also be from one of the vertically-mounted Bryant disks.  I
> > used to have one of those platters in my office; thought about making
> > a coffee table of it, but the hole in the middle was a problem.
> >
> > IIRC, they didn't spin very fast--about 600 RPM.  The heads were very
> > heavy.
> >
> > There are photos and specs for Byrant units on the web.
> >
> > Cheers,
> > Chuck
>
> Wow, that's quite a drive!
>
> Found a brochure of sorts at
> http://archive.computerhistory.org/resources/text/Bryant/Bryant.Model2.1965
>.102646212.pdf. (Gotta love the gal they have on the cover :)).

Wow,  how sixties...!  :-)

I especially like that pic of the unit with the cover off on page 5.



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