On Nov 8, 2015 3:08 PM, "Henk Gooijen" <henk.gooi...@hotmail.com> wrote: > > -----Oorspronkelijk bericht----- From: tony duell Sent: Saturday, November 07, 2015 2:57 PM To: General Discussion: On-Topic and Off-Topic Posts Subject: RE: PDP-11/45-55 CPU fan assemblies >> >> IIRC that 21" mounting box (and I assume therefore the fan assemblies) >> was used on other machines like the 11/40 (some versions), the 11/70, >> etc. I am not suggesting you raid one of those for parts, but it might be >> something else to look at. > > > Yes, AFAIK, these were on all 21" boxen (BA11-F ?) > > >> I do have an 11/45 here with the original fan trays. The top one is easy >> to get at and measure, but IIRC the bottom one is a right pain, involving >> removing all the boards and dismantling the very fragile card guides. > > > True, unless you simply remove the entire fan box from the bottom of > the card cage. Have a clean floor, you will have to lay on it, as a car > mechanic :-) The box is (AFAIR) mounted on the card cage with 4 or > 6 (?) screws. > > - Henk
Noel, What pdp 11 do you have now? Any progress on the 34? I have my 40 taken apart wirh only the empty card cage in the rack. If you're in the area you can swing by to take measurements. Bill Degnan twitter: billdeg vintagecomputer.net