Dear Marcos,

I have employed "B" winds for improved tape pack for more than twenty-five
years. Its benefits are noted especially with analog tapes. The process
seems to re-stress the plastic to counter the effects of poor packs due to
fast winds before storage, as well as warped packs. Usually, it is
important to identify the problem early and use a B when storing the tape
for later use. The more time the better, but improvement has been achieved
after as little as sixty days. Furthermore, I have found that if the tape
is returned to storage with a B wind, there is no need to change the
reversal as long as the container is correctly marked.


On Tue, Feb 7, 2017 at 9:56 AM, Marcos Sueiro Bal <[log in to unmask]> wrote:

> A few weeks back, my colleague Ana Marie showed me a "trick" whereby she
> gives a half twist to tapes suffering from poor pack while library-winding
> them. The resulting reel of tape, B-wound (oxide on the outside), often
> shows a much better-looking pack --so much so that this has now become
> standard practice for me. However, the benefit does not always remain (or
> at least not as strongly) after twisting the tape back into an A-wind for
> storage.
> I was wondering if anyone else uses this "trick" and --more importantly--
> what makes it work, and why the tape often reverts back to a poorer pack.
> Also, does anyone store tape B-wound?
> Thank you,
> Marcos
> Marcos Sueiro Bal
> Senior Archivist, New York Public Radio
> 646 829 4063

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