I know a few folks that custom make parts and many are from DEC if anyone needs me to check just let me know.
Sue > On Sep 26, 2015, at 3:45 PM, Jon Elson <[email protected]> wrote: > > On 09/26/2015 11:25 AM, tony duell wrote: >>> >> I'll tell you one that you can't get -- the fan in the PDP11/44. >> That one is a standard outer dimension alright, but electrically >> it's plain odd. 35V 70Hz AC or something. It runs from a full-H >> circuit from the (possibly battery packed) 36V supply. There have >> been suggestions to kludge in 12V DC fans, but I would not do >> that, the fan circuit _is_ part of the design of the PDP11/44 and >> should be preserved. > Oh, wow! We had a 44 a LONG time ago, I never knew about that! >> >> >> There is also the issue of keeping the machine as original as possible. >> And the fact that a lot of the cheaper (i.e. $15) modern fans are very >> poorly made. I think a rebuilt oriignal DEC fan would easily outlast one >> of those. >> >> > Well, fans come in many varieties. There are Chinese knockoffs, and > name-brand fans. You can get plain sleeve bearings, "hydro-wave" bearings > and ball bearings. Good ball-bearing fans have a very long life, but may get > a bit noisy near the end of their life. These can also be re-bearing-ed > quite easily, and it essentially makes them brand-new. I've done this on my > Dell desktop machines a few times. Yes, maybe the best fans do run over $15. > > Jon Sue Skonetski VP of Customer Advocacy [email protected] Office: +1 (978) 451-0116 Mobile: +1 (603) 494-9886 Mit freundlichen Grüßen – Avec mes meilleures salutations
