Re: PDP-11/44 gas struts

2022-01-03 Thread Alan Frisbie via cctalk
Earlier, I wrote: > 30-pound struts are not strong enough. They improved things a bit, > but it still takes a lot of effort to raise the box. I have ordered a > pair of 50-pound struts and will post an update when they arrive (next > week). The pair of 50-pound struts arrived today, and in my

Re: PDP-11/44 gas struts

2021-12-31 Thread Alan Frisbie via cctalk
Chris Zach wrote: Jesus. How much does the 11/44 chassis weigh? On 12/30/2021 3:39 PM, Alan Frisbie via cctalk wrote: 2. 30-pound struts are not strong enough.? They improved things a bit, but it still takes a lot of effort to raise the box.? I have ordered a pair of 50-pound struts and

Re: PDP-11/44 gas struts

2021-12-30 Thread Chris Zach via cctalk
Jesus. How much does the 11/44 chassis weigh? On 12/30/2021 3:39 PM, Alan Frisbie via cctalk wrote: 2. 30-pound struts are not strong enough.  They improved things a bit, but it still takes a lot of effort to raise the box.  I have ordered a pair of 50-pound struts and will post an update

Re: PDP-11/44 gas struts

2021-12-30 Thread Alan Frisbie via cctalk
On 12/25/21 3:37 PM, I wrote: I made a wild random guess and ordered two of the 30 pound struts, which should be delivered Wednesday (12/29/2021).  The 40 pound ones have a seven week lead time, and a pair of 50 pound ones seem way too high.  When they arrive, I'll let you know how well they

Re: PDP-11/44 gas struts

2021-12-25 Thread Alan Frisbie via cctalk
Mark J. Blair wrote: > When I need gas struts and cannot identify a source for exact original > replacements, I usually look at McMaster-Carr first: > https://www.mcmaster.com/gas-struts/ Thanks for the McMaster-Carr suggestion, I should have thought of that. I removed the gas struts from my

Re: PDP-11/44 gas struts

2021-12-25 Thread Adrian Stoness via cctalk
take them off and take them to a specialized automotoive shop. On Fri, Dec 24, 2021 at 2:22 PM jim stephens via cctalk < cctalk@classiccmp.org> wrote: > There was a Basic four system I had which was a small amount taller but > you get into having to have a really big counterweight. I could

RE: PDP-11/44 gas struts

2021-12-24 Thread pbirkel--- via cctalk
ealy via cctalk Sent: Friday, December 24, 2021 3:16 PM To: jim stephens ; General Discussion: On-Topic and Off-Topic Posts Subject: Re: PDP-11/44 gas struts Out of curiosity, is there a manual for this style PDP-11/44 online? This is the style I have, but I’m pretty sure my manual is for th

Re: PDP-11/44 gas struts

2021-12-24 Thread jim stephens via cctalk
There was a Basic four system I had which was a small amount taller but you get into having to have a really big counterweight.  I could imagine a smaller amount and the rear placement of the 11/44 Power supply weight would allow RL02s and such pulled, but leave the system where it is and

Re: PDP-11/44 gas struts

2021-12-24 Thread Zane Healy via cctalk
Out of curiosity, is there a manual for this style PDP-11/44 online? This is the style I have, but I’m pretty sure my manual is for the pull-out enclosure. A manual on this enclosure might give some idea on the gas struts. Zane > On Dec 24, 2021, at 11:58 AM, jim stephens via cctalk >

Re: PDP-11/44 gas struts

2021-12-24 Thread jim stephens via cctalk
I have the same system cabinet, but have not looked at it in detail.  I think from some of the replies, they are thinking about the H960 tall cabinets and systems that are pulled out, then rotate on the slides. This I think is  like the hood of a car, then the system tilts up, as the cabinet

Re: PDP-11/44 gas struts

2021-12-24 Thread Mark J. Blair via cctalk
Like Steve, I don't know about the original application. My own 11/44 project pile has the slide out and rotate style of slides, to the extent that it has any slides at all. When I need gas struts and cannot identify a source for exact original replacements, I usually look at McMaster-Carr

Re: PDP-11/44 gas struts

2021-12-24 Thread Steve Malikoff via cctalk
Alan asked > I have a PDP-11/44 system in the DEC 41" high cabinet. > It is designed to be tilted up for service, aided and > supported by two gas struts, one on each side. > > Unfortunately, after all these years, the struts have > failed and do not provide any assistance. That box is > heavy! >