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Anyone want 1/4th of a DataTower?

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stepleton:
I have some experience lately replacing the drive bands in DC-300 tapes. I think DC-600s are the same size.

You can cannibalise the bands from DC-6150 tapes if you like (and it may be that the 6150s will just work in place of the 600s, oersteds be darned --- it turns out that they function just fine in place of the DC-300s my IBM 5100 likes, for example).

If you don't want to cannibalise old tapes of any kind, then you can make do with latex-free polyurethane "rubber" (not really rubber) bands. I've used 6mm/150mm Mobilon bands by Nisshinbo, and let me tell you, these are not much fun to try and import into the UK. Perhaps getting them into the US or Canada is easier.

All this said, I am sure that the community would love to have even more ideas for how to replace those bands.

sigma7:

--- Quote from: blusnowkitty on July 03, 2022, 05:45:48 pm ---... need to track down a Priam interface card...

--- End quote ---
If you can't find one by the time you've collected all the other necessary parts, I think one will be easy to reproduce. See this thread in the files section https://lisalist2.com/index.php/topic,296.0.html

sigma7:

--- Quote from: stepleton on July 03, 2022, 08:45:48 pm ---You can cannibalise the bands from DC-6150 tapes
--- End quote ---
Good info, thanks! Are these or anything equivalent still in production by anyone?

--- Quote ---If you don't want to cannibalise old tapes of any kind, then you can make do with latex-free polyurethane "rubber" (not really rubber) bands. I've used 6mm/150mm Mobilon bands by Nisshinbo
--- End quote ---
These for example? https://www.amazon.co.jp/-/en/Mobilon-Diameter-Approx-Cleaning-Regular/dp/B084C52378
(Says unavailable for Canada; switching to a jp post code (eg. 408-0307 randomly scraped from google) shows a price.
They seem to be referred to as for cleaning, but it is not clear what they clean; perhaps that's a clue how to find them closer to home?
Other sites suggest Mobilon loops are used (instead of elastic) for garments and hair ties.

stepleton:

--- Quote from: sigma7 on July 04, 2022, 03:45:17 am ---
--- Quote from: stepleton on July 03, 2022, 08:45:48 pm ---You can cannibalise the bands from DC-6150 tapes
--- End quote ---
Good info, thanks! Are these or anything equivalent still in production by anyone?

--- End quote ---
I've never heard anyone mention anything like that, so I assume not, but I'm not certain.

(In re Mobilon bands:)

--- Quote ---These for example? https://www.amazon.co.jp/-/en/Mobilon-Diameter-Approx-Cleaning-Regular/dp/B084C52378
(Says unavailable for Canada; switching to a jp post code (eg. 408-0307 randomly scraped from google) shows a price.
They seem to be referred to as for cleaning, but it is not clear what they clean; perhaps that's a clue how to find them closer to home?
Other sites suggest Mobilon loops are used (instead of elastic) for garments and hair ties.

--- End quote ---
Yes, that looks like the item, albeit in a different bag to what I'm used to.

I dimly remember something about cleaning when I was acquiring my own bands. I wasn't certain what it meant either, but I assumed that it had something to do with bundling clothes or fabrics together for some kind of washing process. I have no real idea. In any case, these are just bands that feel like rubber bands but a bit more slippery and perhaps a bit stiffer.

It's worth saying that most people using these bands on tapes seem to me to be using them for a single round of data recovery. Opinions differ on how worthwhile they are for extended use, with some people saying that they're fine and others saying that they have a tendency to stretch. I haven't tested all that much, as while I've verified that they work in tapes after re-banding, most of my workhorse tapes are using DC-6150 bands, and those really do seem to pass the test of time. There's no real preference at work here, just precedence: those "workhorse tapes" are just the ones I re-banded first and were at the top of the stack.

To get the Mobilon bands in the UK, I sourced through Misumi, a retailer that seems to want to do business only with other businesses. If you can place an order through a business of your own, you might not have trouble. Then again, I looked briefly, and it appears that Misumi may handle Canadian orders through its US arm, which might be its own hassle. In any case, if I'm right about all this, then this is the listing for you: https://us.misumi-ec.com/vona2/detail/223000860382/ . The size to choose is 6mm width and 150mm "folding diameter".

You might also look out for the brand "plastiband", which appears to be the same product but fancier colours and different packaging. These appear to come in assortments of different sizes, and I'm not sure if they come in the size necessary for DC-300/600/6150/etc. tapes. HP people seem to like these for re-banding the smaller cartridges used by HP-80 series and HP-9820/30 series calculators.

Good luck!

compu_85:
So is the "Archive Tape" driver part of Lisa OS 3.1 not for the tape drive in the Data Tower?

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