Help identifying a big ol' drive platter
derschjo at mail.msu.edu
Fri Jan 23 22:55:10 CST 2009
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
> There are photos and specs for Byrant units on the web.
Wow, that's quite a drive!
Found a brochure of sorts at
(Gotta love the gal they have on the cover :)).
Unfortunately these drives have 39" platters according to the above, so
they're not what my platter came from... very cool, though :)
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