Re: Storage for 1/2" open reel tape

2019-04-09 Thread Jeff Woolsey via cctalk
> I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape > have been degrading, becoming brittle and simply breaking away, > sometimes in small particles. I have about a hundred tapes from various contributors, and have noticed no age-related [1] deterioration of the seals,

Re:  Storage for 1/2" open reel tape

2019-04-09 Thread Chuck Guzis via cctalk
On 4/8/19 9:06 PM, Jeff Woolsey via cctech wrote: >> I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape >> have been degrading, becoming brittle and simply breaking away, >> sometimes in small particles. > > I have about a hundred tapes from various contributors, and have

Re: Storage for 1/2" open reel tape

2019-04-09 Thread Grant Taylor via cctalk
On 4/8/19 9:26 PM, Adrian Stoness via cctech wrote: whats with the weird tag on this thread? It looks like the spaces got encoded as %20 for some reason. -- Grant. . . . unix || die

Re: Storage for 1/2" open reel tape

2019-04-08 Thread Chuck Guzis via cctalk
On 4/8/19 10:44 AM, Kevin Monceaux via cctalk wrote: > On Fri, Apr 05, 2019 at 10:57:54AM -0700, Chuck Guzis via cctalk wrote: > >> I hit on the idea of using 16mm move film plastic "cans". Much to my >> surprise, I found that there is still an active market for these things. > > My small 16mm

Re: Storage for 1/2" open reel tape

2019-04-08 Thread Fred Cisin via cctalk
I hit on the idea of using 16mm move film plastic "cans". Much to my surprise, I found that there is still an active market for these things. On Mon, 8 Apr 2019, Kevin Monceaux via cctalk wrote: My small 16mm collection is stored on an open reel tape cart. I wonder how tape rings would do

Re: Storage for 1/2" open reel tape

2019-04-08 Thread Kevin Monceaux via cctalk
On Fri, Apr 05, 2019 at 10:57:54AM -0700, Chuck Guzis via cctalk wrote: > I hit on the idea of using 16mm move film plastic "cans". Much to my > surprise, I found that there is still an active market for these things. My small 16mm collection is stored on an open reel tape cart. -- Kevin

Re: Storage for 1/2" open reel tape

2019-04-06 Thread Chuck Guzis via cctalk
This is what the end of a short 6" Univac leader looks like: https://i.imgur.com/wPH93Cz.jpg Apologies for the poor quality, but even with the naked eye, it's hard to see that the leader end is "looped" I might be able to enhance this a bit with some image finagling, if anyone's interested.

RE: Storage for 1/2" open reel tape

2019-04-06 Thread Dave Wade via cctalk
> -Original Message- > From: cctalk On Behalf Of Chuck Guzis via > cctalk > Sent: 06 April 2019 01:46 > To: Paul Koning via cctalk > Subject: Re: Storage for 1/2" open reel tape > > On 4/5/19 5:31 PM, Paul Koning via cctalk wrote: > > > If this

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
On 4/5/19 6:13 PM, Al Kossow via cctalk wrote: > I had to re-thread the UNISERVO that is on display at CHM. I have to try > to find my pictures that I took. > > http://bitsavers.org/pdf/univac/magtape/PX899_Mechanical_Parts_of_UNISERVO_Apr58.pdf > > show it. > My guess on the vintage of these

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Al Kossow via cctalk
the other thing I had wondered about was how they kept metal tape from destroying the head. there is a spool of plastic tape that goes between the head and the tape On 4/5/19 6:13 PM, Al Kossow via cctalk wrote: > > > On 4/5/19 5:45 PM, Chuck Guzis via cctalk wrote: > >> Univac had an

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Al Kossow via cctalk
On 4/5/19 5:45 PM, Chuck Guzis via cctalk wrote: > Univac had an interesting setup for Uniservo tape drives--I see a lot of > reels with a short (maybe 6") "leader" with a hole spliced onto tapes. > I'm not sure how that worked I had to re-thread the UNISERVO that is on display at CHM. I have

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
On 4/5/19 5:31 PM, Paul Koning via cctalk wrote: > If this works, which is most of the time, it's a great time saver. As an > operator you just hang the reel on the spindle, hit "load" and walk away to > the next task. > > I think IBM may have originated this magic; several of the later DEC

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Paul Koning via cctalk
> On Apr 5, 2019, at 7:15 PM, Grant Taylor via cctalk > wrote: > >> ... >> But basically, just behind the "hook", there's a black plastic latch. When >> closed, it tensions the white band. >> https://www.electronicsurplus.it/open2b/var/products/27/92/0-d95b2a25-800.jpg > > ACK > > I'm

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Charles Anthony via cctalk
On Fri, Apr 5, 2019 at 4:54 PM Chuck Guzis via cctalk wrote: > On 4/5/19 4:15 PM, Grant Taylor via cctalk wrote: > > > ACK > > > > I'm getting the mental impression that it's somewhat like a spring form > > pan. The latch opens and releases tension off of the strip that goes > > around the tape

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
On 4/5/19 4:15 PM, Grant Taylor via cctalk wrote: > ACK > > I'm getting the mental impression that it's somewhat like a spring form > pan.  The latch opens and releases tension off of the strip that goes > around the tape reel.  When it's latched, it cinches against it.  When > it's unlatched,

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Grant Taylor via cctalk
On 4/5/19 4:44 PM, Chuck Guzis via cctalk wrote: The IRS facility photo used the IBM style; not flexible, but rather a two-part sliding rigid plastic arrangement. I think that the IRS also used a robotic "picker. I'd hazard a guess that the IRS acquired theirs from IBM. Even if they are

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Mike Loewen via cctalk
On Fri, 5 Apr 2019, Chuck Guzis via cctalk wrote: On 4/5/19 2:58 PM, Grant Taylor via cctalk wrote: On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote: See how each reel of tape hangs from a slot in a horizontal bar? Those white-and-black strips wrapped around the tapes are what I'm referring to

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
On 4/5/19 2:58 PM, Grant Taylor via cctalk wrote: > On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote: >> See how each reel of tape hangs from a slot in a horizontal bar? Those >> white-and-black strips wrapped around the tapes are what I'm referring >> to as being deteriorated. > > How does that

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Grant Taylor via cctalk
On 4/5/19 3:20 PM, Chuck Guzis via cctalk wrote: See how each reel of tape hangs from a slot in a horizontal bar? Those white-and-black strips wrapped around the tapes are what I'm referring to as being deteriorated. How does that come off the reel? Does the reel slide out? Does it unlatch?

Re: Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
On 4/5/19 1:49 PM, Ali via cctalk wrote: >> I hit on the idea of using 16mm move film plastic "cans". Much to my >> surprise, I found that there is still an active market for these >> things. > > Chuck, > > For the uneducated amongst us exactly what are you referring to? Are you > talking

RE: Storage for 1/2" open reel tape

2019-04-05 Thread Ali via cctalk
> I hit on the idea of using 16mm move film plastic "cans". Much to my > surprise, I found that there is still an active market for these > things. Chuck, For the uneducated amongst us exactly what are you referring to? Are you talking about the plastic can where the tape sits in? Or the strap

Storage for 1/2" open reel tape

2019-04-05 Thread Chuck Guzis via cctalk
I've noted earlier that the vinyl "hanger strips" for 1/2" magnetic tape have been degrading, becoming brittle and simply breaking away, sometimes in small particles. So I set off looking for a low-cost substitute--any hangers that I could rustle up would probably be on their last legs at this