Huge IBM 1800 find (and need some help)

Dave G4UGM dave.g4ugm at
Fri Mar 27 16:12:30 CDT 2015


> -----Original Message-----
> From: cctech [mailto:cctech-bounces at] On Behalf Of
> Johannes Thelen
> Sent: 27 March 2015 21:03
> To: General Discussion: On-Topic Posts
> Subject: RE: Huge IBM 1800 find (and need some help)
> I just visited see 1800  (900 km of driving! I'm little bit exhausted...)
and we
> had big time with plant manager when we went throught the stash! I think I
> have infected him of old computer disease, he had very excited this
> too, haha! :) Original plan was to pickup some small items today, but it
> impossible, because of all my hurry at work :/ But now I have good,
> interesting and of course,  bad news ... Lets take the bad news first: it
> that machine have donate some parts as can be seen at the pics. That
> company had another 1800, maybe some parts have been picked out for it...
> Also there is "small" dust problem, it is every freaking place!
> Then interesting news: it have been used to since 1986, longer as I
> Second, and more interesting fact, that same warehouse had used as
> mushroom farm ;) Good news: There is documents every where! Just quick
> look, and I found tens of IBMs original documents! And also it is still
> enough to fix it up. Some spare parts are laying around and almost all
> what is know used back then, is still there (except Tektronix displays,
> ****
> And that moving... Somebody recommend sleigh and thats really only option,
> it is absolute enourmous work to but it small pieces. I have to make
sleigh of
> RHS beams, plywood and polyamidi slides. This whole set is lowered on
> by winch. That's the plan and it should (and would) work!
> More coming later! Now I have to sleep!
> Oh, the pictures:
> SFJpMm16MVgyVFk&usp=sharing
> Ps. And thank you for all for good advices! :D Thaaaaanks!
> - Johannes ThelenFinland
> Before microcomputers blog (Finnish)
> > Subject: Re: Huge IBM 1800 find (and need some help)
> > From: paulkoning at
> > Date: Sun, 22 Mar 2015 13:53:04 -0400
> > To: cctalk at
> > CC: publicmail at
> >
> >
> > > On Mar 21, 2015, at 11:23 PM, Jon Elson <elson at>
> wrote:
> > >
> > > On 03/21/2015 05:15 PM, Jim Stephens wrote:
> > >>
> > >>
> > >> On 3/21/2015 12:50 PM, Jon Elson wrote:
> > >>> OK, a quick search shows the 2311 was indeed hydraulic!
> > >> The University of Missouri, Rolla 9 drive 2314 was hydraulic, and on
> a drive's actuator unloaded into the pack area, and took it out, but the
> damage from that major failure was contained w/o the pack or actuators
> exiting the enclosure.  however the debris took out all the packs and
> > >>
> > > This one wasn't when I was there.  I think we also had a oil spraying
> there, but it was relatively contained.  We had one at Washington
> also that might have contaminated several spindles before they got all the
> packs unloaded.
> > > I think this one is fairly quickly detected if the computer room is
> it causes a strong oily smell that is quickly spread by the A/C system.
> >
> > We had a 1620/II in college with a pair of 1311s, which are similar to
> 2311.  The system drive sprung a leak.  The field service tech replaced
> failed seals, and I obtained some reagent grade isopropyl alcohol from the
> chemistry department.  He used that with Kimwipes to clean the oil from
> pack and heads.  The result was complete success.  Packs and heads in
> days had tolerances far larger; I wouldn't want to try that with anything
> newer.  But if you have a 2311 with contaminated heads or packs, you might
> give that technique a try.
> >
> > 	paul
> >

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