Henk, Have you tried using a block and tackle to pull the drived up the stairs using the planks?
Ed -- Ik email, dus ik besta. BTC : 1J5fajt8ptyZ2V1YURj3YJZhe5j3fJVSHN LTC : LP2WuEmYPbpWUBqMFGJfdm7pdHEW7fKvDz On Fri, December 16, 2016 21:23, Henk Gooijen wrote: > > > > Van: Tony Duell<mailto:ard.p850...@gmail.com> > Verzonden: vrijdag 16 december 2016 17:54 > Aan: General Discussion: On-Topic and Off-Topic > Posts<mailto:cctalk@classiccmp.org> > Onderwerp: Re: Anyone want an RK11-C manual? > > On Fri, Dec 16, 2016 at 4:31 PM, Henk Gooijen <henk.gooi...@hotmail.com> > wrote: >> >> But I am not giving up hope ⦠I recently acquired something I did not >> think >> to be possible to happen ⦠I âpicked upâ an H960 rack with RP11 >> controller >> and *three* RP03 disk drives aand 6 packs. The rack is already moved, >> the >> drives are a separate story. Each drive weighs 415 lbs. âSo whatâ >> you might >> ask. Well, they are in a cellar and three flights of stairs (10 steps, 6 >> steps, >> and 4 steps) is too much for 3 strong guys to push one drive up the >> stairs. >> We are now looking into another option to get the drives (and a DEC >> _line_printer, also very very heavy!) up to the first floor ⦠> > Can these units be dismantled without totally losing alignment,etc. At > least > remove PSUs, spindle motors, etc. I once moved an RA60 (much lighter, > but still too heavy for one person to carry easily) downstairs by taking > it > almost completely apart. Incidentally, it is surprising how much the PCBs > in a full cardcage weight, it is often worth pulling them all out. > > I suspect an RP03 dismantled like that would still be too heavy for one > person > to move, but with 3 people it might be possible. > > I hope your upstairs floor is strong enough for them... You do not want > them > coming back downstairs at 9.81m/s^2 > > -tony > > > Grin ⦠I donât plan to check whether Mother Earthâs acceleration is > still working fine. > Indeed, the RA60 is heavy. Just like RA81âs, the RA60 is not good for > your back, but > the RA60 is worse than the RA81. The RA60 is also âlongerâ compared to > the RA81, > and that does not help either when you hav to move an RA60 around. > > I really do not want to mess with the mechanical construction of the > entire RP03 > drive. They are too rare. I want to move them âas isâ. The only thing > that can be > done easily is removing the side panels. > However, the ceiling in the cellar has an opening although that is > currently welded > by a closing lid. The system was installed in the 80ties, and it is not > remembered > how the system got into the cellar back then. The system has operated in > that cellar > for almost 20 years (PDP-11/40, RP11, Kennedy 9100 â 3 H960 rack > system). > > I used wooden planks (shelves) laid on the stairs, and then pushed the > racks up. > It was heavy, even for 3 strong guys --- OK, 2.5 ð I removed the > Kennedy tape > drive to make the rack less heavy. The rack with the RP11 controller was > also > heavy, but I really did not want to pull or dismantle anything of it. We > got it out > of the cellar. The 11/40 (the 21â version in BA11-F, IIRC) rack had, to > my surprise > an extra BA11-F with its H742 PSU ⦠One H742 PSU is already heavy, so > two of > these beast made the rack way too heavy. I ended up with disconnecting > the > power harness and move the 11/40 separately. That made it possible to > move > the rack upstairs (with sweat and some swearing ^H^H^H^H^H^H^H^H calling > in the help of some gods ð > > We did try moving one RP03 by pushing it upstairs using the âplanksâ > trick. > Three guys asking âare we pushingâ? Yes, but the drive did not move > at all. > The RP03 is by far the most heavy item I encountered in 20 years! > We are now looking into the option to hoist the drives via the hatch in > the > Ceiling. Needless to say we take all possible precautions â for people > and for > RP03âs. > > To be continued, > > * Henk, PA8PDP > > >
